chrome_content_browser_client.cc revision f8ee788a64d60abd8f2d742a5fdedde054ecd910 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/chrome_content_browser_client.h"
6
7#include <set>
8#include <utility>
9#include <vector>
10
11#include "base/bind.h"
12#include "base/command_line.h"
13#include "base/lazy_instance.h"
14#include "base/path_service.h"
15#include "base/prefs/pref_service.h"
16#include "base/prefs/scoped_user_pref_update.h"
17#include "base/strings/string_number_conversions.h"
18#include "base/strings/utf_string_conversions.h"
19#include "base/threading/sequenced_worker_pool.h"
20#include "chrome/browser/browser_about_handler.h"
21#include "chrome/browser/browser_process.h"
22#include "chrome/browser/browser_shutdown.h"
23#include "chrome/browser/browsing_data/browsing_data_helper.h"
24#include "chrome/browser/browsing_data/browsing_data_remover.h"
25#include "chrome/browser/character_encoding.h"
26#include "chrome/browser/chrome_net_benchmarking_message_filter.h"
27#include "chrome/browser/chrome_quota_permission_context.h"
28#include "chrome/browser/content_settings/content_settings_utils.h"
29#include "chrome/browser/content_settings/cookie_settings.h"
30#include "chrome/browser/content_settings/host_content_settings_map.h"
31#include "chrome/browser/content_settings/tab_specific_content_settings.h"
32#include "chrome/browser/defaults.h"
33#include "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
34#include "chrome/browser/download/download_prefs.h"
35#include "chrome/browser/extensions/api/web_request/web_request_api.h"
36#include "chrome/browser/extensions/browser_permissions_policy_delegate.h"
37#include "chrome/browser/extensions/extension_renderer_state.h"
38#include "chrome/browser/extensions/extension_service.h"
39#include "chrome/browser/extensions/extension_util.h"
40#include "chrome/browser/extensions/extension_web_ui.h"
41#include "chrome/browser/extensions/extension_webkit_preferences.h"
42#include "chrome/browser/extensions/suggest_permission_util.h"
43#include "chrome/browser/geolocation/chrome_access_token_store.h"
44#include "chrome/browser/geolocation/geolocation_permission_context.h"
45#include "chrome/browser/geolocation/geolocation_permission_context_factory.h"
46#include "chrome/browser/google/google_util.h"
47#include "chrome/browser/media/cast_transport_host_filter.h"
48#include "chrome/browser/media/media_capture_devices_dispatcher.h"
49#include "chrome/browser/media/midi_permission_context.h"
50#include "chrome/browser/media/midi_permission_context_factory.h"
51#include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
52#include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
53#include "chrome/browser/net/chrome_net_log.h"
54#include "chrome/browser/notifications/desktop_notification_service.h"
55#include "chrome/browser/notifications/desktop_notification_service_factory.h"
56#include "chrome/browser/platform_util.h"
57#include "chrome/browser/plugins/plugin_info_message_filter.h"
58#include "chrome/browser/prerender/prerender_final_status.h"
59#include "chrome/browser/prerender/prerender_manager.h"
60#include "chrome/browser/prerender/prerender_manager_factory.h"
61#include "chrome/browser/prerender/prerender_message_filter.h"
62#include "chrome/browser/prerender/prerender_tracker.h"
63#include "chrome/browser/printing/printing_message_filter.h"
64#include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
65#include "chrome/browser/profiles/profile.h"
66#include "chrome/browser/profiles/profile_io_data.h"
67#include "chrome/browser/profiles/profile_manager.h"
68#include "chrome/browser/renderer_host/chrome_render_message_filter.h"
69#include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
70#include "chrome/browser/search/instant_service.h"
71#include "chrome/browser/search/instant_service_factory.h"
72#include "chrome/browser/search/search.h"
73#include "chrome/browser/search_engines/search_provider_install_state_message_filter.h"
74#include "chrome/browser/signin/principals_message_filter.h"
75#include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
76#include "chrome/browser/speech/tts_message_filter.h"
77#include "chrome/browser/ssl/ssl_add_certificate.h"
78#include "chrome/browser/ssl/ssl_blocking_page.h"
79#include "chrome/browser/ssl/ssl_client_certificate_selector.h"
80#include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
81#include "chrome/browser/tab_contents/tab_util.h"
82#include "chrome/browser/ui/blocked_content/blocked_window_params.h"
83#include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
84#include "chrome/browser/ui/chrome_select_file_policy.h"
85#include "chrome/browser/ui/sync/sync_promo_ui.h"
86#include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
87#include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
88#include "chrome/common/chrome_constants.h"
89#include "chrome/common/chrome_paths.h"
90#include "chrome/common/chrome_switches.h"
91#include "chrome/common/env_vars.h"
92#include "chrome/common/extensions/extension_constants.h"
93#include "chrome/common/extensions/extension_process_policy.h"
94#include "chrome/common/extensions/manifest_handlers/app_isolation_info.h"
95#include "chrome/common/logging_chrome.h"
96#include "chrome/common/pepper_permission_util.h"
97#include "chrome/common/pref_names.h"
98#include "chrome/common/render_messages.h"
99#include "chrome/common/url_constants.h"
100#include "chrome/installer/util/google_update_settings.h"
101#include "chromeos/chromeos_constants.h"
102#include "components/cdm/browser/cdm_message_filter_android.h"
103#include "components/cloud_devices/common/cloud_devices_switches.h"
104#include "components/nacl/browser/nacl_browser.h"
105#include "components/nacl/browser/nacl_host_message_filter.h"
106#include "components/nacl/browser/nacl_process_host.h"
107#include "components/nacl/common/nacl_process_type.h"
108#include "components/nacl/common/nacl_switches.h"
109#include "components/pref_registry/pref_registry_syncable.h"
110#include "components/signin/core/common/profile_management_switches.h"
111#include "components/translate/core/common/translate_switches.h"
112#include "content/public/browser/browser_child_process_host.h"
113#include "content/public/browser/browser_main_parts.h"
114#include "content/public/browser/browser_ppapi_host.h"
115#include "content/public/browser/browser_thread.h"
116#include "content/public/browser/browser_url_handler.h"
117#include "content/public/browser/child_process_data.h"
118#include "content/public/browser/child_process_security_policy.h"
119#include "content/public/browser/render_frame_host.h"
120#include "content/public/browser/render_process_host.h"
121#include "content/public/browser/render_view_host.h"
122#include "content/public/browser/resource_context.h"
123#include "content/public/browser/site_instance.h"
124#include "content/public/browser/web_contents.h"
125#include "content/public/common/child_process_host.h"
126#include "content/public/common/content_descriptors.h"
127#include "content/public/common/url_utils.h"
128#include "extensions/browser/extension_host.h"
129#include "extensions/browser/extension_message_filter.h"
130#include "extensions/browser/extension_registry.h"
131#include "extensions/browser/extension_system.h"
132#include "extensions/browser/info_map.h"
133#include "extensions/browser/process_manager.h"
134#include "extensions/browser/process_map.h"
135#include "extensions/browser/view_type_utils.h"
136#include "extensions/common/constants.h"
137#include "extensions/common/extension.h"
138#include "extensions/common/extension_set.h"
139#include "extensions/common/manifest_handlers/background_info.h"
140#include "extensions/common/manifest_handlers/shared_module_info.h"
141#include "extensions/common/manifest_handlers/web_accessible_resources_info.h"
142#include "extensions/common/permissions/permissions_data.h"
143#include "extensions/common/permissions/socket_permission.h"
144#include "extensions/common/switches.h"
145#include "grit/generated_resources.h"
146#include "grit/ui_resources.h"
147#include "net/base/mime_util.h"
148#include "net/cookies/canonical_cookie.h"
149#include "net/cookies/cookie_options.h"
150#include "net/ssl/ssl_cert_request_info.h"
151#include "ppapi/host/ppapi_host.h"
152#include "ppapi/shared_impl/ppapi_switches.h"
153#include "ui/base/l10n/l10n_util.h"
154#include "ui/base/resource/resource_bundle.h"
155#include "webkit/browser/fileapi/external_mount_points.h"
156#include "webkit/common/webpreferences.h"
157
158#if defined(OS_WIN)
159#include "base/win/windows_version.h"
160#include "chrome/browser/chrome_browser_main_win.h"
161#include "sandbox/win/src/sandbox_policy.h"
162#elif defined(OS_MACOSX)
163#include "chrome/browser/chrome_browser_main_mac.h"
164#include "chrome/browser/spellchecker/spellcheck_message_filter_mac.h"
165#include "components/breakpad/app/breakpad_mac.h"
166#elif defined(OS_CHROMEOS)
167#include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
168#include "chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.h"
169#include "chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.h"
170#include "chrome/browser/chromeos/fileapi/file_system_backend.h"
171#include "chrome/browser/chromeos/fileapi/mtp_file_system_backend_delegate.h"
172#include "chrome/browser/chromeos/login/startup_utils.h"
173#include "chrome/browser/chromeos/login/users/user_manager.h"
174#include "chrome/browser/chromeos/system/input_device_settings.h"
175#include "chromeos/chromeos_switches.h"
176#elif defined(OS_LINUX)
177#include "chrome/browser/chrome_browser_main_linux.h"
178#elif defined(OS_ANDROID)
179#include "chrome/browser/android/new_tab_page_url_handler.h"
180#include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
181#include "chrome/browser/chrome_browser_main_android.h"
182#include "chrome/browser/media/protected_media_identifier_permission_context.h"
183#include "chrome/browser/media/protected_media_identifier_permission_context_factory.h"
184#include "chrome/common/descriptors_android.h"
185#include "components/breakpad/browser/crash_dump_manager_android.h"
186#elif defined(OS_POSIX)
187#include "chrome/browser/chrome_browser_main_posix.h"
188#endif
189
190#if defined(OS_POSIX) && !defined(OS_MACOSX)
191#include "base/debug/leak_annotations.h"
192#include "components/breakpad/app/breakpad_linux.h"
193#include "components/breakpad/browser/crash_handler_host_linux.h"
194#endif
195
196#if defined(OS_ANDROID)
197#include "ui/base/ui_base_paths.h"
198#include "ui/gfx/android/device_display_info.h"
199#else
200#include "chrome/browser/media_galleries/fileapi/media_file_system_backend.h"
201#endif
202
203#if !defined(OS_CHROMEOS)
204#include "chrome/browser/signin/chrome_signin_client.h"
205#include "chrome/browser/signin/chrome_signin_client_factory.h"
206#include "chrome/browser/signin/signin_manager_factory.h"
207#include "components/signin/core/browser/signin_manager.h"
208#endif
209
210#if defined(OS_CHROMEOS)
211#include "chrome/browser/chromeos/file_manager/app_id.h"
212#endif
213
214#if defined(TOOLKIT_VIEWS)
215#include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
216#endif
217
218#if defined(USE_ASH)
219#include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
220#endif
221
222#if defined(USE_AURA)
223#include "chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.h"
224#endif
225
226#if defined(USE_X11)
227#include "chrome/browser/chrome_browser_main_extra_parts_x11.h"
228#endif
229
230#if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
231#include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
232#endif
233
234#if defined(ENABLE_EXTENSIONS)
235#include "chrome/browser/guest_view/guest_view_base.h"
236#include "chrome/browser/guest_view/guest_view_constants.h"
237#include "chrome/browser/guest_view/guest_view_manager.h"
238#include "chrome/browser/guest_view/web_view/web_view_guest.h"
239#include "chrome/browser/renderer_host/chrome_extension_message_filter.h"
240#endif
241
242#if defined(ENABLE_SPELLCHECK)
243#include "chrome/browser/spellchecker/spellcheck_message_filter.h"
244#endif
245
246#if defined(ENABLE_SERVICE_DISCOVERY)
247#include "chrome/browser/local_discovery/storage/privet_filesystem_backend.h"
248#endif
249
250#if defined(ENABLE_WEBRTC)
251#include "chrome/browser/media/webrtc_logging_handler_host.h"
252#endif
253
254using blink::WebWindowFeatures;
255using base::FileDescriptor;
256using content::AccessTokenStore;
257using content::BrowserChildProcessHostIterator;
258using content::BrowserThread;
259using content::BrowserURLHandler;
260using content::ChildProcessSecurityPolicy;
261using content::QuotaPermissionContext;
262using content::RenderFrameHost;
263using content::RenderViewHost;
264using content::SiteInstance;
265using content::WebContents;
266using extensions::APIPermission;
267using extensions::Extension;
268using extensions::InfoMap;
269using extensions::Manifest;
270using message_center::NotifierId;
271
272#if defined(OS_POSIX)
273using content::FileDescriptorInfo;
274#endif
275
276namespace {
277
278// Cached version of the locale so we can return the locale on the I/O
279// thread.
280base::LazyInstance<std::string> g_io_thread_application_locale;
281
282#if defined(ENABLE_PLUGINS)
283const char* const kPredefinedAllowedFileHandleOrigins[] = {
284  "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
285  "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/234789
286};
287
288const char* const kPredefinedAllowedSocketOrigins[] = {
289  "okddffdblfhhnmhodogpojmfkjmhinfp",  // Test SSH Client
290  "pnhechapfaindjhompbnflcldabbghjo",  // HTerm App (SSH Client)
291  "bglhmjfplikpjnfoegeomebmfnkjomhe",  // see crbug.com/122126
292  "gbchcmhmhahfdphkhkmpfmihenigjmpp",  // Chrome Remote Desktop
293  "kgngmbheleoaphbjbaiobfdepmghbfah",  // Pre-release Chrome Remote Desktop
294  "odkaodonbgfohohmklejpjiejmcipmib",  // Dogfood Chrome Remote Desktop
295  "ojoimpklfciegopdfgeenehpalipignm",  // Chromoting canary
296  "cbkkbcmdlboombapidmoeolnmdacpkch",  // see crbug.com/129089
297  "hhnbmknkdabfoieppbbljkhkfjcmcbjh",  // see crbug.com/134099
298  "mablfbjkhmhkmefkjjacnbaikjkipphg",  // see crbug.com/134099
299  "pdeelgamlgannhelgoegilelnnojegoh",  // see crbug.com/134099
300  "cabapfdbkniadpollkckdnedaanlciaj",  // see crbug.com/134099
301  "mapljbgnjledlpdmlchihnmeclmefbba",  // see crbug.com/134099
302  "ghbfeebgmiidnnmeobbbaiamklmpbpii",  // see crbug.com/134099
303  "jdfhpkjeckflbbleddjlpimecpbjdeep",  // see crbug.com/142514
304  "iabmpiboiopbgfabjmgeedhcmjenhbla",  // see crbug.com/165080
305  "B7CF8A292249681AF81771650BA4CEEAF19A4560",  // see crbug.com/165080
306  "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
307  "4EB74897CB187C7633357C2FE832E0AD6A44883A",  // see crbug.com/234789
308  "7525AF4F66763A70A883C4700529F647B470E4D2",  // see crbug.com/238084
309  "0B549507088E1564D672F7942EB87CA4DAD73972",  // see crbug.com/238084
310  "864288364E239573E777D3E0E36864E590E95C74"   // see crbug.com/238084
311};
312#endif
313
314// Returns a copy of the given url with its host set to given host and path set
315// to given path. Other parts of the url will be the same.
316GURL ReplaceURLHostAndPath(const GURL& url,
317                           const std::string& host,
318                           const std::string& path) {
319  url::Replacements<char> replacements;
320  replacements.SetHost(host.c_str(), url::Component(0, host.length()));
321  replacements.SetPath(path.c_str(), url::Component(0, path.length()));
322  return url.ReplaceComponents(replacements);
323}
324
325// Maps "foo://bar/baz/" to "foo://chrome/bar/baz/".
326GURL AddUberHost(const GURL& url) {
327  const std::string uber_host = chrome::kChromeUIUberHost;
328  const std::string new_path = url.host() + url.path();
329
330  return ReplaceURLHostAndPath(url, uber_host, new_path);
331}
332
333// If url->host() is "chrome" and url->path() has characters other than the
334// first slash, changes the url from "foo://chrome/bar/" to "foo://bar/" and
335// returns true. Otherwise returns false.
336bool RemoveUberHost(GURL* url) {
337  if (url->host() != chrome::kChromeUIUberHost)
338    return false;
339
340  if (url->path().empty() || url->path() == "/")
341    return false;
342
343  const std::string old_path = url->path();
344
345  const std::string::size_type separator = old_path.find('/', 1);
346  std::string new_host;
347  std::string new_path;
348  if (separator == std::string::npos) {
349    new_host = old_path.substr(1);
350  } else {
351    new_host = old_path.substr(1, separator - 1);
352    new_path = old_path.substr(separator);
353  }
354
355  // Do not allow URLs with paths empty before the first slash since we can't
356  // have an empty host. (e.g "foo://chrome//")
357  if (new_host.empty())
358    return false;
359
360  *url = ReplaceURLHostAndPath(*url, new_host, new_path);
361
362  DCHECK(url->is_valid());
363
364  return true;
365}
366
367// Handles rewriting Web UI URLs.
368bool HandleWebUI(GURL* url, content::BrowserContext* browser_context) {
369  // Do not handle special URLs such as "about:foo"
370  if (!url->host().empty()) {
371    const GURL chrome_url = AddUberHost(*url);
372
373    // Handle valid "chrome://chrome/foo" URLs so the reverse handler will
374    // be called.
375    if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
376            browser_context, chrome_url))
377      return true;
378  }
379
380  if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
381          browser_context, *url))
382    return false;
383
384#if defined(OS_CHROMEOS)
385  // Special case : in ChromeOS in Guest mode bookmarks and history are
386  // disabled for security reasons. New tab page explains the reasons, so
387  // we redirect user to new tab page.
388  if (chromeos::UserManager::Get()->IsLoggedInAsGuest()) {
389    if (url->SchemeIs(content::kChromeUIScheme) &&
390        (url->DomainIs(chrome::kChromeUIBookmarksHost) ||
391         url->DomainIs(chrome::kChromeUIHistoryHost))) {
392      // Rewrite with new tab URL
393      *url = GURL(chrome::kChromeUINewTabURL);
394    }
395  }
396#endif
397
398  return true;
399}
400
401// Reverse URL handler for Web UI. Maps "chrome://chrome/foo/" to
402// "chrome://foo/".
403bool HandleWebUIReverse(GURL* url, content::BrowserContext* browser_context) {
404  if (!url->is_valid() || !url->SchemeIs(content::kChromeUIScheme))
405    return false;
406
407  return RemoveUberHost(url);
408}
409
410// Used by the GetPrivilegeRequiredByUrl() and GetProcessPrivilege() functions
411// below.  Extension, and isolated apps require different privileges to be
412// granted to their RenderProcessHosts.  This classification allows us to make
413// sure URLs are served by hosts with the right set of privileges.
414enum RenderProcessHostPrivilege {
415  PRIV_NORMAL,
416  PRIV_HOSTED,
417  PRIV_ISOLATED,
418  PRIV_EXTENSION,
419};
420
421RenderProcessHostPrivilege GetPrivilegeRequiredByUrl(
422    const GURL& url,
423    ExtensionService* service) {
424  // Default to a normal renderer cause it is lower privileged. This should only
425  // occur if the URL on a site instance is either malformed, or uninitialized.
426  // If it is malformed, then there is no need for better privileges anyways.
427  // If it is uninitialized, but eventually settles on being an a scheme other
428  // than normal webrenderer, the navigation logic will correct us out of band
429  // anyways.
430  if (!url.is_valid())
431    return PRIV_NORMAL;
432
433  if (url.SchemeIs(extensions::kExtensionScheme)) {
434    const Extension* extension =
435        service->extensions()->GetByID(url.host());
436    if (extension &&
437        extensions::AppIsolationInfo::HasIsolatedStorage(extension))
438      return PRIV_ISOLATED;
439    if (extension && extension->is_hosted_app())
440      return PRIV_HOSTED;
441
442    return PRIV_EXTENSION;
443  }
444
445  return PRIV_NORMAL;
446}
447
448RenderProcessHostPrivilege GetProcessPrivilege(
449    content::RenderProcessHost* process_host,
450    extensions::ProcessMap* process_map,
451    ExtensionService* service) {
452  std::set<std::string> extension_ids =
453      process_map->GetExtensionsInProcess(process_host->GetID());
454  if (extension_ids.empty())
455    return PRIV_NORMAL;
456
457  for (std::set<std::string>::iterator iter = extension_ids.begin();
458       iter != extension_ids.end(); ++iter) {
459    const Extension* extension = service->GetExtensionById(*iter, false);
460    if (extension &&
461        extensions::AppIsolationInfo::HasIsolatedStorage(extension))
462      return PRIV_ISOLATED;
463    if (extension && extension->is_hosted_app())
464      return PRIV_HOSTED;
465  }
466
467  return PRIV_EXTENSION;
468}
469
470bool CertMatchesFilter(const net::X509Certificate& cert,
471                       const base::DictionaryValue& filter) {
472  // TODO(markusheintz): This is the minimal required filter implementation.
473  // Implement a better matcher.
474
475  // An empty filter matches any client certificate since no requirements are
476  // specified at all.
477  if (filter.empty())
478    return true;
479
480  std::string common_name;
481  if (filter.GetString("ISSUER.CN", &common_name) &&
482      (cert.issuer().common_name == common_name)) {
483    return true;
484  }
485  return false;
486}
487
488#if !defined(OS_ANDROID)
489// Fills |map| with the per-script font prefs under path |map_name|.
490void FillFontFamilyMap(const PrefService* prefs,
491                       const char* map_name,
492                       webkit_glue::ScriptFontFamilyMap* map) {
493  // TODO(falken): Get rid of the brute-force scan over possible
494  // (font family / script) combinations - see http://crbug.com/308095.
495  for (size_t i = 0; i < prefs::kWebKitScriptsForFontFamilyMapsLength; ++i) {
496    const char* script = prefs::kWebKitScriptsForFontFamilyMaps[i];
497    std::string pref_name = base::StringPrintf("%s.%s", map_name, script);
498    std::string font_family = prefs->GetString(pref_name.c_str());
499    if (!font_family.empty())
500      (*map)[script] = base::UTF8ToUTF16(font_family);
501  }
502}
503
504#if defined(OS_POSIX) && !defined(OS_MACOSX)
505breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
506    const std::string& process_type) {
507  base::FilePath dumps_path;
508  PathService::Get(chrome::DIR_CRASH_DUMPS, &dumps_path);
509  {
510    ANNOTATE_SCOPED_MEMORY_LEAK;
511    bool upload = (getenv(env_vars::kHeadless) == NULL);
512    breakpad::CrashHandlerHostLinux* crash_handler =
513        new breakpad::CrashHandlerHostLinux(process_type, dumps_path, upload);
514    crash_handler->StartUploaderThread();
515    return crash_handler;
516  }
517}
518
519int GetCrashSignalFD(const CommandLine& command_line) {
520  // Extensions have the same process type as renderers.
521  if (command_line.HasSwitch(extensions::switches::kExtensionProcess)) {
522    static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
523    if (!crash_handler)
524      crash_handler = CreateCrashHandlerHost("extension");
525    return crash_handler->GetDeathSignalSocket();
526  }
527
528  std::string process_type =
529      command_line.GetSwitchValueASCII(switches::kProcessType);
530
531  if (process_type == switches::kRendererProcess) {
532    static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
533    if (!crash_handler)
534      crash_handler = CreateCrashHandlerHost(process_type);
535    return crash_handler->GetDeathSignalSocket();
536  }
537
538  if (process_type == switches::kPluginProcess) {
539    static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
540    if (!crash_handler)
541      crash_handler = CreateCrashHandlerHost(process_type);
542    return crash_handler->GetDeathSignalSocket();
543  }
544
545  if (process_type == switches::kPpapiPluginProcess) {
546    static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
547    if (!crash_handler)
548      crash_handler = CreateCrashHandlerHost(process_type);
549    return crash_handler->GetDeathSignalSocket();
550  }
551
552  if (process_type == switches::kGpuProcess) {
553    static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
554    if (!crash_handler)
555      crash_handler = CreateCrashHandlerHost(process_type);
556    return crash_handler->GetDeathSignalSocket();
557  }
558
559  return -1;
560}
561#endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
562#endif  // !defined(OS_ANDROID)
563
564#if !defined(OS_CHROMEOS)
565GURL GetEffectiveURLForSignin(const GURL& url) {
566  CHECK(SigninManager::IsWebBasedSigninFlowURL(url));
567
568  GURL effective_url(SigninManager::kChromeSigninEffectiveSite);
569  // Copy the path because the argument to SetPathStr must outlive
570  // the Replacements object.
571  const std::string path_copy(url.path());
572  GURL::Replacements replacements;
573  replacements.SetPathStr(path_copy);
574  effective_url = effective_url.ReplaceComponents(replacements);
575  return effective_url;
576}
577#endif
578
579void SetApplicationLocaleOnIOThread(const std::string& locale) {
580  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
581  g_io_thread_application_locale.Get() = locale;
582}
583
584void HandleBlockedPopupOnUIThread(const BlockedWindowParams& params) {
585  WebContents* tab = tab_util::GetWebContentsByID(params.render_process_id(),
586                                                  params.opener_id());
587  if (!tab)
588    return;
589
590  prerender::PrerenderContents* prerender_contents =
591      prerender::PrerenderContents::FromWebContents(tab);
592  if (prerender_contents) {
593    prerender_contents->Destroy(prerender::FINAL_STATUS_CREATE_NEW_WINDOW);
594    return;
595  }
596
597  PopupBlockerTabHelper* popup_helper =
598      PopupBlockerTabHelper::FromWebContents(tab);
599  if (!popup_helper)
600    return;
601  popup_helper->AddBlockedPopup(params);
602}
603
604#if defined(OS_ANDROID)
605
606void HandleSingleTabModeBlockOnUIThread(const BlockedWindowParams& params) {
607  WebContents* web_contents =
608      tab_util::GetWebContentsByID(params.render_process_id(),
609                                   params.opener_id());
610  if (!web_contents)
611    return;
612
613  SingleTabModeTabHelper::FromWebContents(web_contents)->HandleOpenUrl(params);
614}
615
616float GetDeviceScaleAdjustment() {
617  static const float kMinFSM = 1.05f;
618  static const int kWidthForMinFSM = 320;
619  static const float kMaxFSM = 1.3f;
620  static const int kWidthForMaxFSM = 800;
621
622  gfx::DeviceDisplayInfo info;
623  int minWidth = info.GetSmallestDIPWidth();
624
625  if (minWidth <= kWidthForMinFSM)
626    return kMinFSM;
627  if (minWidth >= kWidthForMaxFSM)
628    return kMaxFSM;
629
630  // The font scale multiplier varies linearly between kMinFSM and kMaxFSM.
631  float ratio = static_cast<float>(minWidth - kWidthForMinFSM) /
632      (kWidthForMaxFSM - kWidthForMinFSM);
633  return ratio * (kMaxFSM - kMinFSM) + kMinFSM;
634}
635
636#endif  // defined(OS_ANDROID)
637
638}  // namespace
639
640namespace chrome {
641
642ChromeContentBrowserClient::ChromeContentBrowserClient()
643    : prerender_tracker_(NULL) {
644#if defined(ENABLE_PLUGINS)
645  for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
646    allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
647  for (size_t i = 0; i < arraysize(kPredefinedAllowedSocketOrigins); ++i)
648    allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
649#endif
650
651  permissions_policy_delegate_.reset(
652      new extensions::BrowserPermissionsPolicyDelegate());
653}
654
655ChromeContentBrowserClient::~ChromeContentBrowserClient() {
656}
657
658// static
659void ChromeContentBrowserClient::RegisterProfilePrefs(
660    user_prefs::PrefRegistrySyncable* registry) {
661  registry->RegisterBooleanPref(
662      prefs::kDisable3DAPIs,
663      false,
664      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
665  registry->RegisterBooleanPref(
666      prefs::kEnableHyperlinkAuditing,
667      true,
668      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
669}
670
671// static
672void ChromeContentBrowserClient::SetApplicationLocale(
673    const std::string& locale) {
674  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
675
676  // This object is guaranteed to outlive all threads so we don't have to
677  // worry about the lack of refcounting and can just post as Unretained.
678  //
679  // The common case is that this function is called early in Chrome startup
680  // before any threads are created (it will also be called later if the user
681  // changes the pref). In this case, there will be no threads created and
682  // posting will fail. When there are no threads, we can just set the string
683  // without worrying about threadsafety.
684  if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
685          base::Bind(&SetApplicationLocaleOnIOThread, locale))) {
686    g_io_thread_application_locale.Get() = locale;
687  }
688}
689
690content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
691    const content::MainFunctionParams& parameters) {
692  ChromeBrowserMainParts* main_parts;
693  // Construct the Main browser parts based on the OS type.
694#if defined(OS_WIN)
695  main_parts = new ChromeBrowserMainPartsWin(parameters);
696#elif defined(OS_MACOSX)
697  main_parts = new ChromeBrowserMainPartsMac(parameters);
698#elif defined(OS_CHROMEOS)
699  main_parts = new chromeos::ChromeBrowserMainPartsChromeos(parameters);
700#elif defined(OS_LINUX)
701  main_parts = new ChromeBrowserMainPartsLinux(parameters);
702#elif defined(OS_ANDROID)
703  main_parts = new ChromeBrowserMainPartsAndroid(parameters);
704#elif defined(OS_POSIX)
705  main_parts = new ChromeBrowserMainPartsPosix(parameters);
706#else
707  NOTREACHED();
708  main_parts = new ChromeBrowserMainParts(parameters);
709#endif
710
711  chrome::AddProfilesExtraParts(main_parts);
712
713  // Construct additional browser parts. Stages are called in the order in
714  // which they are added.
715#if defined(TOOLKIT_VIEWS)
716  main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
717#endif
718
719#if defined(USE_ASH)
720  main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
721#endif
722
723#if defined(USE_AURA)
724  main_parts->AddParts(new ChromeBrowserMainExtraPartsAura());
725#endif
726
727#if defined(USE_X11)
728  main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
729#endif
730
731  chrome::AddMetricsExtraParts(main_parts);
732
733  return main_parts;
734}
735
736std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
737    content::BrowserContext* browser_context,
738    const GURL& site) {
739  std::string partition_id;
740
741  // The partition ID for webview guest processes is the string value of its
742  // SiteInstance URL - "chrome-guest://app_id/persist?partition".
743  if (site.SchemeIs(content::kGuestScheme)) {
744    partition_id = site.spec();
745  } else if (site.GetOrigin().spec() == kChromeUIChromeSigninURL) {
746    // Chrome signin page has an embedded iframe of extension and web content,
747    // thus it must be isolated from other webUI pages.
748    partition_id = site.GetOrigin().spec();
749  }
750
751  DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
752  return partition_id;
753}
754
755bool ChromeContentBrowserClient::IsValidStoragePartitionId(
756    content::BrowserContext* browser_context,
757    const std::string& partition_id) {
758  // The default ID is empty and is always valid.
759  if (partition_id.empty())
760    return true;
761
762  return GURL(partition_id).is_valid();
763}
764
765void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
766    content::BrowserContext* browser_context,
767    const GURL& site,
768    bool can_be_default,
769    std::string* partition_domain,
770    std::string* partition_name,
771    bool* in_memory) {
772  // Default to the browser-wide storage partition and override based on |site|
773  // below.
774  partition_domain->clear();
775  partition_name->clear();
776  *in_memory = false;
777
778  bool success = false;
779#if defined(ENABLE_EXTENSIONS)
780  success = WebViewGuest::GetGuestPartitionConfigForSite(
781      site, partition_domain, partition_name, in_memory);
782
783  if (!success && site.SchemeIs(extensions::kExtensionScheme)) {
784    // If |can_be_default| is false, the caller is stating that the |site|
785    // should be parsed as if it had isolated storage. In particular it is
786    // important to NOT check ExtensionService for the is_storage_isolated()
787    // attribute because this code path is run during Extension uninstall
788    // to do cleanup after the Extension has already been unloaded from the
789    // ExtensionService.
790    bool is_isolated = !can_be_default;
791    if (can_be_default) {
792      if (extensions::util::SiteHasIsolatedStorage(site, browser_context))
793        is_isolated = true;
794    }
795
796    if (is_isolated) {
797      CHECK(site.has_host());
798      // For extensions with isolated storage, the the host of the |site| is
799      // the |partition_domain|. The |in_memory| and |partition_name| are only
800      // used in guest schemes so they are cleared here.
801      *partition_domain = site.host();
802      *in_memory = false;
803      partition_name->clear();
804    }
805    success = true;
806  }
807#endif
808
809  if (!success && (site.GetOrigin().spec() == kChromeUIChromeSigninURL)) {
810    // Chrome signin page has an embedded iframe of extension and web content,
811    // thus it must be isolated from other webUI pages.
812    *partition_domain = chrome::kChromeUIChromeSigninHost;
813  }
814
815  // Assert that if |can_be_default| is false, the code above must have found a
816  // non-default partition.  If this fails, the caller has a serious logic
817  // error about which StoragePartition they expect to be in and it is not
818  // safe to continue.
819  CHECK(can_be_default || !partition_domain->empty());
820}
821
822content::WebContentsViewDelegate*
823    ChromeContentBrowserClient::GetWebContentsViewDelegate(
824        content::WebContents* web_contents) {
825  return chrome::CreateWebContentsViewDelegate(web_contents);
826}
827
828void ChromeContentBrowserClient::GuestWebContentsCreated(
829    int guest_instance_id,
830    SiteInstance* guest_site_instance,
831    WebContents* guest_web_contents,
832    WebContents* opener_web_contents,
833    content::BrowserPluginGuestDelegate** guest_delegate,
834    scoped_ptr<base::DictionaryValue> extra_params) {
835#if defined(ENABLE_EXTENSIONS)
836  if (!guest_site_instance) {
837    NOTREACHED();
838    return;
839  }
840  GURL guest_site_url = guest_site_instance->GetSiteURL();
841  const std::string& extension_id = guest_site_url.host();
842
843  Profile* profile = Profile::FromBrowserContext(
844      guest_web_contents->GetBrowserContext());
845  ExtensionService* service =
846      extensions::ExtensionSystem::Get(profile)->extension_service();
847  if (!service) {
848    NOTREACHED();
849    return;
850  }
851
852  /// TODO(fsamuel): In the future, certain types of GuestViewBases won't
853  // require extension bindings. At that point, we should clear |extension_id|
854  // instead of exiting early.
855  if (!extension_id.empty() &&
856      !service->GetExtensionById(extension_id, false)) {
857    NOTREACHED();
858    return;
859  }
860
861  if (opener_web_contents) {
862    GuestViewBase* guest = GuestViewBase::FromWebContents(opener_web_contents);
863    DCHECK(guest);
864
865    // Create a new GuestViewBase of the same type as the opener.
866    *guest_delegate = GuestViewBase::Create(
867        guest_instance_id,
868        guest_web_contents,
869        extension_id,
870        guest->GetViewType());
871    return;
872  }
873
874  if (!extra_params) {
875    NOTREACHED();
876    return;
877  }
878  std::string api_type;
879  extra_params->GetString(guestview::kParameterApi, &api_type);
880
881  if (api_type.empty())
882    return;
883
884  *guest_delegate =
885      GuestViewBase::Create(guest_instance_id,
886                            guest_web_contents,
887                            extension_id,
888                            api_type);
889#else
890  NOTREACHED();
891#endif  // defined(ENABLE_EXTENSIONS)
892}
893
894void ChromeContentBrowserClient::GuestWebContentsAttached(
895    WebContents* guest_web_contents,
896    WebContents* embedder_web_contents,
897    const base::DictionaryValue& extra_params) {
898#if defined(ENABLE_EXTENSIONS)
899  GuestViewBase* guest = GuestViewBase::FromWebContents(guest_web_contents);
900  if (!guest) {
901    // It's ok to return here, since we could be running a browser plugin
902    // outside an extension, and don't need to attach a
903    // BrowserPluginGuestDelegate in that case;
904    // e.g. running with flag --enable-browser-plugin-for-all-view-types.
905    return;
906  }
907  guest->Attach(embedder_web_contents, extra_params);
908#else
909  NOTREACHED();
910#endif  // defined(ENABLE_EXTENSIONS)
911}
912
913void ChromeContentBrowserClient::RenderProcessWillLaunch(
914    content::RenderProcessHost* host) {
915  int id = host->GetID();
916  Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
917  net::URLRequestContextGetter* context =
918      profile->GetRequestContextForRenderProcess(id);
919
920  host->AddFilter(new ChromeRenderMessageFilter(id, profile));
921#if defined(ENABLE_EXTENSIONS)
922  host->AddFilter(new ChromeExtensionMessageFilter(id, profile));
923  host->AddFilter(new extensions::ExtensionMessageFilter(id, profile));
924#endif
925#if defined(ENABLE_PLUGINS)
926  host->AddFilter(new PluginInfoMessageFilter(id, profile));
927#endif
928  host->AddFilter(new cast::CastTransportHostFilter);
929#if defined(ENABLE_PRINTING)
930  host->AddFilter(new PrintingMessageFilter(id, profile));
931#endif
932  host->AddFilter(new SearchProviderInstallStateMessageFilter(id, profile));
933#if defined(ENABLE_SPELLCHECK)
934  host->AddFilter(new SpellCheckMessageFilter(id));
935#endif
936#if defined(OS_MACOSX)
937  host->AddFilter(new SpellCheckMessageFilterMac(id));
938#endif
939  host->AddFilter(new ChromeNetBenchmarkingMessageFilter(profile, context));
940  host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
941  host->AddFilter(new TtsMessageFilter(id, profile));
942#if defined(ENABLE_WEBRTC)
943  WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
944      new WebRtcLoggingHandlerHost(profile);
945  host->SetWebRtcLogMessageCallback(base::Bind(
946      &WebRtcLoggingHandlerHost::LogMessage, webrtc_logging_handler_host));
947  host->AddFilter(webrtc_logging_handler_host);
948  host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
949      webrtc_logging_handler_host));
950#endif
951#if !defined(DISABLE_NACL)
952  host->AddFilter(new nacl::NaClHostMessageFilter(
953      id, profile->IsOffTheRecord(),
954      profile->GetPath(),
955      context));
956#endif
957#if defined(OS_ANDROID)
958  host->AddFilter(new cdm::CdmMessageFilterAndroid());
959#endif
960  if (switches::IsNewProfileManagement())
961    host->AddFilter(new PrincipalsMessageFilter(id));
962
963  host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
964      profile->IsOffTheRecord()));
965
966  SendExtensionWebRequestStatusToHost(host);
967
968  RendererContentSettingRules rules;
969  if (host->IsIsolatedGuest()) {
970#if defined(ENABLE_EXTENSIONS)
971    GuestViewBase::GetDefaultContentSettingRules(&rules,
972                                                 profile->IsOffTheRecord());
973#else
974    NOTREACHED();
975#endif
976  } else {
977    GetRendererContentSettingRules(
978        profile->GetHostContentSettingsMap(), &rules);
979  }
980  host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
981}
982
983GURL ChromeContentBrowserClient::GetEffectiveURL(
984    content::BrowserContext* browser_context, const GURL& url) {
985  Profile* profile = Profile::FromBrowserContext(browser_context);
986  if (!profile)
987    return url;
988
989  // If the input |url| should be assigned to the Instant renderer, make its
990  // effective URL distinct from other URLs on the search provider's domain.
991  if (chrome::ShouldAssignURLToInstantRenderer(url, profile))
992    return chrome::GetEffectiveURLForInstant(url, profile);
993
994#if !defined(OS_CHROMEOS)
995  // If the input |url| should be assigned to the Signin renderer, make its
996  // effective URL distinct from other URLs on the signin service's domain.
997  // Note that the signin renderer will be allowed to sign the user in to
998  // Chrome.
999  if (SigninManager::IsWebBasedSigninFlowURL(url))
1000    return GetEffectiveURLForSignin(url);
1001#endif
1002
1003  // If the input |url| is part of an installed app, the effective URL is an
1004  // extension URL with the ID of that extension as the host. This has the
1005  // effect of grouping apps together in a common SiteInstance.
1006  ExtensionService* extension_service =
1007      extensions::ExtensionSystem::Get(profile)->extension_service();
1008  if (!extension_service)
1009    return url;
1010
1011  const Extension* extension = extension_service->extensions()->
1012      GetHostedAppByURL(url);
1013  if (!extension)
1014    return url;
1015
1016  // Bookmark apps do not use the hosted app process model, and should be
1017  // treated as normal URLs.
1018  if (extension->from_bookmark())
1019    return url;
1020
1021  // If the URL is part of an extension's web extent, convert it to an
1022  // extension URL.
1023  return extension->GetResourceURL(url.path());
1024}
1025
1026bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
1027    content::BrowserContext* browser_context, const GURL& effective_url) {
1028  // Non-extension, non-Instant URLs should generally use
1029  // process-per-site-instance.  Because we expect to use the effective URL,
1030  // URLs for hosted apps (apart from bookmark apps) should have an extension
1031  // scheme by now.
1032
1033  Profile* profile = Profile::FromBrowserContext(browser_context);
1034  if (!profile)
1035    return false;
1036
1037  if (chrome::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
1038    return true;
1039
1040#if !defined(OS_CHROMEOS)
1041  if (SigninManager::IsWebBasedSigninFlowURL(effective_url))
1042    return true;
1043#endif
1044
1045  if (!effective_url.SchemeIs(extensions::kExtensionScheme))
1046    return false;
1047
1048  ExtensionService* extension_service =
1049      extensions::ExtensionSystem::Get(profile)->extension_service();
1050  if (!extension_service)
1051    return false;
1052
1053  const Extension* extension =
1054      extension_service->extensions()->GetExtensionOrAppByURL(effective_url);
1055  if (!extension)
1056    return false;
1057
1058  // If the URL is part of a hosted app that does not have the background
1059  // permission, or that does not allow JavaScript access to the background
1060  // page, we want to give each instance its own process to improve
1061  // responsiveness.
1062  if (extension->GetType() == Manifest::TYPE_HOSTED_APP) {
1063    if (!extension->permissions_data()->HasAPIPermission(
1064            APIPermission::kBackground) ||
1065        !extensions::BackgroundInfo::AllowJSAccess(extension)) {
1066      return false;
1067    }
1068  }
1069
1070  // Hosted apps that have script access to their background page must use
1071  // process per site, since all instances can make synchronous calls to the
1072  // background window.  Other extensions should use process per site as well.
1073  return true;
1074}
1075
1076// These are treated as WebUI schemes but do not get WebUI bindings. Also,
1077// view-source is allowed for these schemes.
1078void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
1079    std::vector<std::string>* additional_schemes) {
1080  additional_schemes->push_back(chrome::kChromeSearchScheme);
1081  additional_schemes->push_back(chrome::kDomDistillerScheme);
1082}
1083
1084void ChromeContentBrowserClient::GetAdditionalWebUIHostsToIgnoreParititionCheck(
1085    std::vector<std::string>* hosts) {
1086  hosts->push_back(chrome::kChromeUIExtensionIconHost);
1087  hosts->push_back(chrome::kChromeUIFaviconHost);
1088  hosts->push_back(chrome::kChromeUIThemeHost);
1089  hosts->push_back(chrome::kChromeUIThumbnailHost);
1090  hosts->push_back(chrome::kChromeUIThumbnailHost2);
1091  hosts->push_back(chrome::kChromeUIThumbnailListHost);
1092}
1093
1094net::URLRequestContextGetter*
1095ChromeContentBrowserClient::CreateRequestContext(
1096    content::BrowserContext* browser_context,
1097    content::ProtocolHandlerMap* protocol_handlers,
1098    content::URLRequestInterceptorScopedVector request_interceptors) {
1099  Profile* profile = Profile::FromBrowserContext(browser_context);
1100  return profile->CreateRequestContext(protocol_handlers,
1101                                       request_interceptors.Pass());
1102}
1103
1104net::URLRequestContextGetter*
1105ChromeContentBrowserClient::CreateRequestContextForStoragePartition(
1106    content::BrowserContext* browser_context,
1107    const base::FilePath& partition_path,
1108    bool in_memory,
1109    content::ProtocolHandlerMap* protocol_handlers,
1110    content::URLRequestInterceptorScopedVector request_interceptors) {
1111  Profile* profile = Profile::FromBrowserContext(browser_context);
1112  return profile->CreateRequestContextForStoragePartition(
1113      partition_path,
1114      in_memory,
1115      protocol_handlers,
1116      request_interceptors.Pass());
1117}
1118
1119bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
1120  return ProfileIOData::IsHandledURL(url);
1121}
1122
1123bool ChromeContentBrowserClient::CanCommitURL(
1124    content::RenderProcessHost* process_host,
1125    const GURL& url) {
1126  // We need to let most extension URLs commit in any process, since this can
1127  // be allowed due to web_accessible_resources.  Most hosted app URLs may also
1128  // load in any process (e.g., in an iframe).  However, the Chrome Web Store
1129  // cannot be loaded in iframes and should never be requested outside its
1130  // process.
1131  Profile* profile =
1132      Profile::FromBrowserContext(process_host->GetBrowserContext());
1133  ExtensionService* service =
1134      extensions::ExtensionSystem::Get(profile)->extension_service();
1135  if (!service)
1136    return true;
1137  const Extension* new_extension =
1138      service->extensions()->GetExtensionOrAppByURL(url);
1139  if (new_extension &&
1140      new_extension->is_hosted_app() &&
1141      new_extension->id() == extension_misc::kWebStoreAppId &&
1142      !extensions::ProcessMap::Get(profile)->
1143          Contains(new_extension->id(), process_host->GetID())) {
1144    return false;
1145  }
1146
1147  return true;
1148}
1149
1150bool ChromeContentBrowserClient::ShouldAllowOpenURL(
1151    content::SiteInstance* site_instance, const GURL& url) {
1152  GURL from_url = site_instance->GetSiteURL();
1153  // Do not allow pages from the web or other extensions navigate to
1154  // non-web-accessible extension resources.
1155  if (url.SchemeIs(extensions::kExtensionScheme) &&
1156      (from_url.SchemeIsHTTPOrHTTPS() ||
1157          from_url.SchemeIs(extensions::kExtensionScheme))) {
1158    Profile* profile = Profile::FromBrowserContext(
1159        site_instance->GetProcess()->GetBrowserContext());
1160    ExtensionService* service =
1161        extensions::ExtensionSystem::Get(profile)->extension_service();
1162    if (!service)
1163      return true;
1164    const Extension* extension =
1165        service->extensions()->GetExtensionOrAppByURL(url);
1166    if (!extension)
1167      return true;
1168    const Extension* from_extension =
1169        service->extensions()->GetExtensionOrAppByURL(
1170            site_instance->GetSiteURL());
1171    if (from_extension && from_extension->id() == extension->id())
1172      return true;
1173
1174    if (!extensions::WebAccessibleResourcesInfo::IsResourceWebAccessible(
1175            extension, url.path()))
1176      return false;
1177  }
1178
1179  // Do not allow chrome://chrome-signin navigate to other chrome:// URLs, since
1180  // the signin page may host untrusted web content.
1181  if (from_url.GetOrigin().spec() == chrome::kChromeUIChromeSigninURL &&
1182      url.SchemeIs(content::kChromeUIScheme) &&
1183      url.host() != chrome::kChromeUIChromeSigninHost) {
1184    VLOG(1) << "Blocked navigation to " << url.spec() << " from "
1185            << chrome::kChromeUIChromeSigninURL;
1186    return false;
1187  }
1188
1189  return true;
1190}
1191
1192bool ChromeContentBrowserClient::IsSuitableHost(
1193    content::RenderProcessHost* process_host,
1194    const GURL& site_url) {
1195  Profile* profile =
1196      Profile::FromBrowserContext(process_host->GetBrowserContext());
1197  // This may be NULL during tests. In that case, just assume any site can
1198  // share any host.
1199  if (!profile)
1200    return true;
1201
1202  // Instant URLs should only be in the instant process and instant process
1203  // should only have Instant URLs.
1204  InstantService* instant_service =
1205      InstantServiceFactory::GetForProfile(profile);
1206  if (instant_service) {
1207    bool is_instant_process = instant_service->IsInstantProcess(
1208        process_host->GetID());
1209    bool should_be_in_instant_process =
1210        chrome::ShouldAssignURLToInstantRenderer(site_url, profile);
1211    if (is_instant_process || should_be_in_instant_process)
1212      return is_instant_process && should_be_in_instant_process;
1213  }
1214
1215#if !defined(OS_CHROMEOS)
1216  SigninClient* signin_client =
1217      ChromeSigninClientFactory::GetForProfile(profile);
1218  if (signin_client && signin_client->IsSigninProcess(process_host->GetID()))
1219    return SigninManager::IsWebBasedSigninFlowURL(site_url);
1220#endif
1221
1222  ExtensionService* service =
1223      extensions::ExtensionSystem::Get(profile)->extension_service();
1224  extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile);
1225
1226  // These may be NULL during tests. In that case, just assume any site can
1227  // share any host.
1228  if (!service || !process_map)
1229    return true;
1230
1231  // Otherwise, just make sure the process privilege matches the privilege
1232  // required by the site.
1233  RenderProcessHostPrivilege privilege_required =
1234      GetPrivilegeRequiredByUrl(site_url, service);
1235  return GetProcessPrivilege(process_host, process_map, service) ==
1236      privilege_required;
1237}
1238
1239bool ChromeContentBrowserClient::MayReuseHost(
1240    content::RenderProcessHost* process_host) {
1241  // If there is currently a prerender in progress for the host provided,
1242  // it may not be shared. We require prerenders to be by themselves in a
1243  // separate process, so that we can monitor their resource usage, and so that
1244  // we can track the cookies that they change.
1245  Profile* profile = Profile::FromBrowserContext(
1246      process_host->GetBrowserContext());
1247  prerender::PrerenderManager* prerender_manager =
1248      prerender::PrerenderManagerFactory::GetForProfile(profile);
1249  if (prerender_manager &&
1250      !prerender_manager->MayReuseProcessHost(process_host)) {
1251    return false;
1252  }
1253
1254  return true;
1255}
1256
1257// This function is trying to limit the amount of processes used by extensions
1258// with background pages. It uses a globally set percentage of processes to
1259// run such extensions and if the limit is exceeded, it returns true, to
1260// indicate to the content module to group extensions together.
1261bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
1262    content::BrowserContext* browser_context, const GURL& url) {
1263  // It has to be a valid URL for us to check for an extension.
1264  if (!url.is_valid())
1265    return false;
1266
1267  Profile* profile = Profile::FromBrowserContext(browser_context);
1268  ExtensionService* service = !profile ? NULL :
1269      extensions::ExtensionSystem::Get(profile)->extension_service();
1270  if (!service)
1271    return false;
1272
1273  // We have to have a valid extension with background page to proceed.
1274  const Extension* extension =
1275      service->extensions()->GetExtensionOrAppByURL(url);
1276  if (!extension)
1277    return false;
1278  if (!extensions::BackgroundInfo::HasBackgroundPage(extension))
1279    return false;
1280
1281  std::set<int> process_ids;
1282  size_t max_process_count =
1283      content::RenderProcessHost::GetMaxRendererProcessCount();
1284
1285  // Go through all profiles to ensure we have total count of extension
1286  // processes containing background pages, otherwise one profile can
1287  // starve the other.
1288  std::vector<Profile*> profiles = g_browser_process->profile_manager()->
1289      GetLoadedProfiles();
1290  for (size_t i = 0; i < profiles.size(); ++i) {
1291    extensions::ProcessManager* epm =
1292        extensions::ExtensionSystem::Get(profiles[i])->process_manager();
1293    for (extensions::ProcessManager::const_iterator iter =
1294             epm->background_hosts().begin();
1295         iter != epm->background_hosts().end(); ++iter) {
1296      const extensions::ExtensionHost* host = *iter;
1297      process_ids.insert(host->render_process_host()->GetID());
1298    }
1299  }
1300
1301  if (process_ids.size() >
1302      (max_process_count * chrome::kMaxShareOfExtensionProcesses)) {
1303    return true;
1304  }
1305
1306  return false;
1307}
1308
1309void ChromeContentBrowserClient::SiteInstanceGotProcess(
1310    SiteInstance* site_instance) {
1311  CHECK(site_instance->HasProcess());
1312
1313  Profile* profile = Profile::FromBrowserContext(
1314      site_instance->GetBrowserContext());
1315  if (!profile)
1316    return;
1317
1318  // Remember the ID of the Instant process to signal the renderer process
1319  // on startup in |AppendExtraCommandLineSwitches| below.
1320  if (chrome::ShouldAssignURLToInstantRenderer(
1321          site_instance->GetSiteURL(), profile)) {
1322    InstantService* instant_service =
1323        InstantServiceFactory::GetForProfile(profile);
1324    if (instant_service)
1325      instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
1326  }
1327
1328#if !defined(OS_CHROMEOS)
1329  // We only expect there to be one signin process as we use process-per-site
1330  // for signin URLs. The signin process will be cleared from SigninManager
1331  // when the renderer is destroyed.
1332  if (SigninManager::IsWebBasedSigninFlowURL(site_instance->GetSiteURL())) {
1333    SigninClient* signin_client =
1334        ChromeSigninClientFactory::GetForProfile(profile);
1335    if (signin_client)
1336      signin_client->SetSigninProcess(site_instance->GetProcess()->GetID());
1337    BrowserThread::PostTask(
1338        BrowserThread::IO,
1339        FROM_HERE,
1340        base::Bind(&InfoMap::SetSigninProcess,
1341                   extensions::ExtensionSystem::Get(profile)->info_map(),
1342                   site_instance->GetProcess()->GetID()));
1343  }
1344#endif
1345
1346  ExtensionService* service =
1347      extensions::ExtensionSystem::Get(profile)->extension_service();
1348  if (!service)
1349    return;
1350
1351  const Extension* extension = service->extensions()->GetExtensionOrAppByURL(
1352      site_instance->GetSiteURL());
1353  if (!extension)
1354    return;
1355
1356  extensions::ProcessMap::Get(profile)
1357      ->Insert(extension->id(),
1358               site_instance->GetProcess()->GetID(),
1359               site_instance->GetId());
1360
1361  BrowserThread::PostTask(
1362      BrowserThread::IO,
1363      FROM_HERE,
1364      base::Bind(&InfoMap::RegisterExtensionProcess,
1365                 extensions::ExtensionSystem::Get(profile)->info_map(),
1366                 extension->id(),
1367                 site_instance->GetProcess()->GetID(),
1368                 site_instance->GetId()));
1369}
1370
1371void ChromeContentBrowserClient::SiteInstanceDeleting(
1372    SiteInstance* site_instance) {
1373  if (!site_instance->HasProcess())
1374    return;
1375
1376  Profile* profile = Profile::FromBrowserContext(
1377      site_instance->GetBrowserContext());
1378  ExtensionService* service =
1379      extensions::ExtensionSystem::Get(profile)->extension_service();
1380  if (!service)
1381    return;
1382
1383  const Extension* extension = service->extensions()->GetExtensionOrAppByURL(
1384      site_instance->GetSiteURL());
1385  if (!extension)
1386    return;
1387
1388  extensions::ProcessMap::Get(profile)
1389      ->Remove(extension->id(),
1390               site_instance->GetProcess()->GetID(),
1391               site_instance->GetId());
1392
1393  BrowserThread::PostTask(
1394      BrowserThread::IO,
1395      FROM_HERE,
1396      base::Bind(&InfoMap::UnregisterExtensionProcess,
1397                 extensions::ExtensionSystem::Get(profile)->info_map(),
1398                 extension->id(),
1399                 site_instance->GetProcess()->GetID(),
1400                 site_instance->GetId()));
1401}
1402
1403void ChromeContentBrowserClient::WorkerProcessCreated(
1404    SiteInstance* site_instance,
1405    int worker_process_id) {
1406  extensions::ExtensionRegistry* extension_registry =
1407      extensions::ExtensionRegistry::Get(site_instance->GetBrowserContext());
1408  if (!extension_registry)
1409    return;
1410  const Extension* extension =
1411      extension_registry->enabled_extensions().GetExtensionOrAppByURL(
1412        site_instance->GetSiteURL());
1413  if (!extension)
1414    return;
1415  extensions::ExtensionSystem* extension_system =
1416      extensions::ExtensionSystem::Get(site_instance->GetBrowserContext());
1417  extension_system->info_map()->RegisterExtensionWorkerProcess(
1418      extension->id(),
1419      worker_process_id,
1420      site_instance->GetId());
1421}
1422
1423void ChromeContentBrowserClient::WorkerProcessTerminated(
1424    SiteInstance* site_instance,
1425    int worker_process_id) {
1426  extensions::ExtensionSystem* extension_system =
1427      extensions::ExtensionSystem::Get(site_instance->GetBrowserContext());
1428  extension_system->info_map()->UnregisterExtensionWorkerProcess(
1429      worker_process_id);
1430}
1431
1432bool ChromeContentBrowserClient::ShouldSwapBrowsingInstancesForNavigation(
1433    SiteInstance* site_instance,
1434    const GURL& current_url,
1435    const GURL& new_url) {
1436  // If we don't have an ExtensionService, then rely on the SiteInstance logic
1437  // in RenderFrameHostManager to decide when to swap.
1438  Profile* profile =
1439      Profile::FromBrowserContext(site_instance->GetBrowserContext());
1440  ExtensionService* service =
1441      extensions::ExtensionSystem::Get(profile)->extension_service();
1442  if (!service)
1443    return false;
1444
1445  // We must use a new BrowsingInstance (forcing a process swap and disabling
1446  // scripting by existing tabs) if one of the URLs is an extension and the
1447  // other is not the exact same extension.
1448  //
1449  // We ignore hosted apps here so that other tabs in their BrowsingInstance can
1450  // use postMessage with them.  (The exception is the Chrome Web Store, which
1451  // is a hosted app that requires its own BrowsingInstance.)  Navigations
1452  // to/from a hosted app will still trigger a SiteInstance swap in
1453  // RenderFrameHostManager.
1454  const Extension* current_extension =
1455      service->extensions()->GetExtensionOrAppByURL(current_url);
1456  if (current_extension &&
1457      current_extension->is_hosted_app() &&
1458      current_extension->id() != extension_misc::kWebStoreAppId)
1459    current_extension = NULL;
1460
1461  const Extension* new_extension =
1462      service->extensions()->GetExtensionOrAppByURL(new_url);
1463  if (new_extension &&
1464      new_extension->is_hosted_app() &&
1465      new_extension->id() != extension_misc::kWebStoreAppId)
1466    new_extension = NULL;
1467
1468  // First do a process check.  We should force a BrowsingInstance swap if the
1469  // current process doesn't know about new_extension, even if current_extension
1470  // is somehow the same as new_extension.
1471  extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile);
1472  if (new_extension &&
1473      site_instance->HasProcess() &&
1474      !process_map->Contains(
1475          new_extension->id(), site_instance->GetProcess()->GetID()))
1476    return true;
1477
1478  // Otherwise, swap BrowsingInstances if current_extension and new_extension
1479  // differ.
1480  return current_extension != new_extension;
1481}
1482
1483bool ChromeContentBrowserClient::ShouldSwapProcessesForRedirect(
1484    content::ResourceContext* resource_context, const GURL& current_url,
1485    const GURL& new_url) {
1486  ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context);
1487  return extensions::CrossesExtensionProcessBoundary(
1488      io_data->GetExtensionInfoMap()->extensions(),
1489      current_url, new_url, false);
1490}
1491
1492bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
1493  return !url.SchemeIs(chrome::kChromeNativeScheme);
1494}
1495
1496std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
1497    const std::string& alias_name) {
1498  return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
1499}
1500
1501namespace {
1502
1503bool IsAutoReloadEnabled() {
1504  std::string group = base::FieldTrialList::FindFullName(
1505      "AutoReloadExperiment");
1506  const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1507  if (browser_command_line.HasSwitch(switches::kEnableOfflineAutoReload))
1508    return true;
1509  if (browser_command_line.HasSwitch(switches::kDisableOfflineAutoReload))
1510    return false;
1511#if !defined(OS_ANDROID) && !defined(OS_IOS)
1512  chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
1513  chrome::VersionInfo::Channel kForceChannel =
1514      chrome::VersionInfo::CHANNEL_CANARY;
1515  return (channel <= kForceChannel || group == "Enabled");
1516#else
1517  return group == "Enabled";
1518#endif
1519}
1520
1521bool IsAutoReloadVisibleOnlyEnabled() {
1522  std::string group = base::FieldTrialList::FindFullName(
1523      "AutoReloadVisibleOnlyExperiment");
1524  const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1525  if (browser_command_line.HasSwitch(
1526      switches::kEnableOfflineAutoReloadVisibleOnly)) {
1527    return true;
1528  }
1529  if (browser_command_line.HasSwitch(
1530      switches::kDisableOfflineAutoReloadVisibleOnly)) {
1531    return false;
1532  }
1533  return group == "Enabled";
1534}
1535
1536}  // namespace
1537
1538void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
1539    CommandLine* command_line, int child_process_id) {
1540#if defined(OS_POSIX)
1541  if (breakpad::IsCrashReporterEnabled()) {
1542    std::string enable_crash_reporter;
1543    GoogleUpdateSettings::GetMetricsId(&enable_crash_reporter);
1544    command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1545                                    enable_crash_reporter);
1546  }
1547#endif  // defined(OS_POSIX)
1548
1549  if (logging::DialogsAreSuppressed())
1550    command_line->AppendSwitch(switches::kNoErrorDialogs);
1551
1552  std::string process_type =
1553      command_line->GetSwitchValueASCII(switches::kProcessType);
1554  const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1555
1556  static const char* const kCommonSwitchNames[] = {
1557    switches::kUserAgent,
1558    switches::kUserDataDir,  // Make logs go to the right file.
1559  };
1560  command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
1561                                 arraysize(kCommonSwitchNames));
1562
1563#if defined(ENABLE_IPC_FUZZER)
1564  static const char* const kIpcFuzzerSwitches[] = {
1565    switches::kIpcFuzzerTestcase,
1566  };
1567  command_line->CopySwitchesFrom(browser_command_line, kIpcFuzzerSwitches,
1568                                 arraysize(kIpcFuzzerSwitches));
1569#endif
1570
1571#if defined(OS_CHROMEOS)
1572  // On Chrome OS need to pass primary user homedir (in multi-profiles session).
1573  base::FilePath homedir;
1574  PathService::Get(base::DIR_HOME, &homedir);
1575  command_line->AppendSwitchASCII(chromeos::switches::kHomedir,
1576                                  homedir.value().c_str());
1577#endif
1578
1579  if (process_type == switches::kRendererProcess) {
1580#if defined(OS_CHROMEOS)
1581    const std::string& login_profile =
1582        browser_command_line.GetSwitchValueASCII(
1583            chromeos::switches::kLoginProfile);
1584    if (!login_profile.empty())
1585      command_line->AppendSwitchASCII(
1586          chromeos::switches::kLoginProfile, login_profile);
1587#endif
1588
1589#if defined(ENABLE_WEBRTC)
1590    MaybeCopyDisableWebRtcEncryptionSwitch(command_line,
1591                                           browser_command_line,
1592                                           VersionInfo::GetChannel());
1593#endif
1594
1595    content::RenderProcessHost* process =
1596        content::RenderProcessHost::FromID(child_process_id);
1597    if (process) {
1598      Profile* profile = Profile::FromBrowserContext(
1599          process->GetBrowserContext());
1600
1601      if (extensions::ProcessMap::Get(profile)->Contains(process->GetID()))
1602        command_line->AppendSwitch(extensions::switches::kExtensionProcess);
1603
1604      PrefService* prefs = profile->GetPrefs();
1605      // Currently this pref is only registered if applied via a policy.
1606      if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
1607          prefs->GetBoolean(prefs::kDisable3DAPIs)) {
1608        // Turn this policy into a command line switch.
1609        command_line->AppendSwitch(switches::kDisable3DAPIs);
1610      }
1611
1612      // Disable client-side phishing detection in the renderer if it is
1613      // disabled in the Profile preferences or the browser process.
1614      if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
1615          !g_browser_process->safe_browsing_detection_service()) {
1616        command_line->AppendSwitch(
1617            switches::kDisableClientSidePhishingDetection);
1618      }
1619
1620      if (!prefs->GetBoolean(prefs::kPrintPreviewDisabled))
1621        command_line->AppendSwitch(switches::kRendererPrintPreview);
1622
1623      InstantService* instant_service =
1624          InstantServiceFactory::GetForProfile(profile);
1625      if (instant_service &&
1626          instant_service->IsInstantProcess(process->GetID()))
1627        command_line->AppendSwitch(switches::kInstantProcess);
1628
1629#if !defined(OS_CHROMEOS)
1630      SigninClient* signin_client =
1631          ChromeSigninClientFactory::GetForProfile(profile);
1632      if (signin_client && signin_client->IsSigninProcess(process->GetID()))
1633        command_line->AppendSwitch(switches::kSigninProcess);
1634#endif
1635    }
1636
1637    if (IsAutoReloadEnabled())
1638      command_line->AppendSwitch(switches::kEnableOfflineAutoReload);
1639    if (IsAutoReloadVisibleOnlyEnabled()) {
1640      command_line->AppendSwitch(
1641          switches::kEnableOfflineAutoReloadVisibleOnly);
1642    }
1643
1644    {
1645      // Enable load stale cache if this session is in the field trial, one
1646      // of the forced on channels, or the user explicitly enabled it.
1647      // Note that as far as the renderer  is concerned, the feature is
1648      // enabled if-and-only-if the kEnableOfflineLoadStaleCache flag
1649      // is on the command line; the yes/no/default behavior is only
1650      // at the browser command line level.
1651
1652      // Command line switches override
1653      if (browser_command_line.HasSwitch(
1654              switches::kEnableOfflineLoadStaleCache)) {
1655        command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1656      } else if (!browser_command_line.HasSwitch(
1657          switches::kDisableOfflineLoadStaleCache)) {
1658        std::string group =
1659            base::FieldTrialList::FindFullName("LoadStaleCacheExperiment");
1660        chrome::VersionInfo::Channel channel =
1661            chrome::VersionInfo::GetChannel();
1662#if defined(OS_ANDROID) || defined(OS_IOS)
1663        chrome::VersionInfo::Channel forceChannel =
1664            chrome::VersionInfo::CHANNEL_DEV;
1665#else
1666        chrome::VersionInfo::Channel forceChannel =
1667            chrome::VersionInfo::CHANNEL_CANARY;
1668#endif
1669
1670        if (channel <= forceChannel || group == "Enabled")
1671          command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1672      }
1673    }
1674
1675    // Please keep this in alphabetical order.
1676    static const char* const kSwitchNames[] = {
1677      autofill::switches::kDisableIgnoreAutocompleteOff,
1678      autofill::switches::kDisablePasswordGeneration,
1679      autofill::switches::kEnablePasswordGeneration,
1680      autofill::switches::kLocalHeuristicsOnlyForPasswordGeneration,
1681      extensions::switches::kAllowHTTPBackgroundPage,
1682      extensions::switches::kAllowLegacyExtensionManifests,
1683      extensions::switches::kEnableExperimentalExtensionApis,
1684      extensions::switches::kEnableScriptsRequireAction,
1685      extensions::switches::kExtensionsOnChromeURLs,
1686      extensions::switches::kWhitelistedExtensionID,
1687      // TODO(victorhsieh): remove the following flag once we move PPAPI FileIO
1688      // to browser.
1689      switches::kAllowNaClFileHandleAPI,
1690      switches::kAppsCheckoutURL,
1691      switches::kAppsGalleryURL,
1692      switches::kCloudPrintURL,
1693      switches::kCloudPrintXmppEndpoint,
1694      switches::kDisableBundledPpapiFlash,
1695      switches::kDisablePnacl,
1696      switches::kDisableScriptedPrintThrottling,
1697      switches::kEnableAppWindowControls,
1698      switches::kEnableBenchmarking,
1699      switches::kEnableNaCl,
1700      switches::kEnableNaClDebug,
1701      switches::kEnableNaClNonSfiMode,
1702      switches::kEnableNetBenchmarking,
1703      switches::kEnableShowModalDialog,
1704      switches::kEnableStreamlinedHostedApps,
1705      switches::kEnableWatchdog,
1706      switches::kEnableWebBasedSignin,
1707      switches::kMemoryProfiling,
1708      switches::kMessageLoopHistogrammer,
1709      switches::kOutOfProcessPdf,
1710      switches::kPlaybackMode,
1711      switches::kPpapiFlashArgs,
1712      switches::kPpapiFlashPath,
1713      switches::kPpapiFlashVersion,
1714      switches::kProfilingAtStart,
1715      switches::kProfilingFile,
1716      switches::kProfilingFlush,
1717      switches::kRecordMode,
1718      translate::switches::kTranslateSecurityOrigin,
1719    };
1720
1721    command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1722                                   arraysize(kSwitchNames));
1723  } else if (process_type == switches::kUtilityProcess) {
1724    static const char* const kSwitchNames[] = {
1725      extensions::switches::kAllowHTTPBackgroundPage,
1726      extensions::switches::kEnableExperimentalExtensionApis,
1727      extensions::switches::kExtensionsOnChromeURLs,
1728      extensions::switches::kWhitelistedExtensionID,
1729    };
1730
1731    command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1732                                   arraysize(kSwitchNames));
1733  } else if (process_type == switches::kPluginProcess) {
1734    static const char* const kSwitchNames[] = {
1735#if defined(OS_CHROMEOS)
1736      chromeos::switches::kLoginProfile,
1737#endif
1738      switches::kMemoryProfiling,
1739    };
1740
1741    command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1742                                   arraysize(kSwitchNames));
1743  } else if (process_type == switches::kZygoteProcess) {
1744    static const char* const kSwitchNames[] = {
1745      // Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
1746      switches::kDisableBundledPpapiFlash,
1747      switches::kEnableNaClNonSfiMode,
1748      switches::kNaClDangerousNoSandboxNonSfi,
1749      switches::kPpapiFlashPath,
1750      switches::kPpapiFlashVersion,
1751    };
1752
1753    command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1754                                   arraysize(kSwitchNames));
1755  } else if (process_type == switches::kGpuProcess) {
1756    // If --ignore-gpu-blacklist is passed in, don't send in crash reports
1757    // because GPU is expected to be unreliable.
1758    if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
1759        !command_line->HasSwitch(switches::kDisableBreakpad))
1760      command_line->AppendSwitch(switches::kDisableBreakpad);
1761  }
1762
1763  // The command line switch kEnableBenchmarking needs to be specified along
1764  // with the kEnableStatsTable switch to ensure that the stats table global
1765  // is initialized correctly.
1766  if (command_line->HasSwitch(switches::kEnableBenchmarking))
1767    DCHECK(command_line->HasSwitch(switches::kEnableStatsTable));
1768}
1769
1770std::string ChromeContentBrowserClient::GetApplicationLocale() {
1771  if (BrowserThread::CurrentlyOn(BrowserThread::IO))
1772    return g_io_thread_application_locale.Get();
1773  return g_browser_process->GetApplicationLocale();
1774}
1775
1776std::string ChromeContentBrowserClient::GetAcceptLangs(
1777    content::BrowserContext* context) {
1778  Profile* profile = Profile::FromBrowserContext(context);
1779  return profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
1780}
1781
1782const gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
1783  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
1784  return rb.GetNativeImageNamed(IDR_DEFAULT_FAVICON).ToImageSkia();
1785}
1786
1787bool ChromeContentBrowserClient::AllowAppCache(
1788    const GURL& manifest_url,
1789    const GURL& first_party,
1790    content::ResourceContext* context) {
1791  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1792  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1793  return io_data->GetCookieSettings()->
1794      IsSettingCookieAllowed(manifest_url, first_party);
1795}
1796
1797bool ChromeContentBrowserClient::AllowGetCookie(
1798    const GURL& url,
1799    const GURL& first_party,
1800    const net::CookieList& cookie_list,
1801    content::ResourceContext* context,
1802    int render_process_id,
1803    int render_frame_id) {
1804  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1805  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1806  bool allow = io_data->GetCookieSettings()->
1807      IsReadingCookieAllowed(url, first_party);
1808
1809  BrowserThread::PostTask(
1810      BrowserThread::UI, FROM_HERE,
1811      base::Bind(&TabSpecificContentSettings::CookiesRead, render_process_id,
1812                 render_frame_id, url, first_party, cookie_list, !allow, true));
1813  return allow;
1814}
1815
1816bool ChromeContentBrowserClient::AllowSetCookie(
1817    const GURL& url,
1818    const GURL& first_party,
1819    const std::string& cookie_line,
1820    content::ResourceContext* context,
1821    int render_process_id,
1822    int render_frame_id,
1823    net::CookieOptions* options) {
1824  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1825  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1826  CookieSettings* cookie_settings = io_data->GetCookieSettings();
1827  bool allow = cookie_settings->IsSettingCookieAllowed(url, first_party);
1828
1829  if (prerender_tracker_) {
1830    prerender_tracker_->OnCookieChangedForURL(
1831        render_process_id,
1832        context->GetRequestContext()->cookie_store()->GetCookieMonster(),
1833        url);
1834  }
1835
1836  BrowserThread::PostTask(
1837      BrowserThread::UI, FROM_HERE,
1838      base::Bind(&TabSpecificContentSettings::CookieChanged, render_process_id,
1839                 render_frame_id, url, first_party, cookie_line, *options,
1840                 !allow));
1841  return allow;
1842}
1843
1844bool ChromeContentBrowserClient::AllowSaveLocalState(
1845    content::ResourceContext* context) {
1846  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1847  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1848  CookieSettings* cookie_settings = io_data->GetCookieSettings();
1849  ContentSetting setting = cookie_settings->GetDefaultCookieSetting(NULL);
1850
1851  // TODO(bauerb): Should we also disallow local state if the default is BLOCK?
1852  // Could we even support per-origin settings?
1853  return setting != CONTENT_SETTING_SESSION_ONLY;
1854}
1855
1856bool ChromeContentBrowserClient::AllowWorkerDatabase(
1857    const GURL& url,
1858    const base::string16& name,
1859    const base::string16& display_name,
1860    unsigned long estimated_size,
1861    content::ResourceContext* context,
1862    const std::vector<std::pair<int, int> >& render_frames) {
1863  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1864  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1865  CookieSettings* cookie_settings = io_data->GetCookieSettings();
1866  bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1867
1868  // Record access to database for potential display in UI.
1869  std::vector<std::pair<int, int> >::const_iterator i;
1870  for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1871    BrowserThread::PostTask(
1872        BrowserThread::UI, FROM_HERE,
1873        base::Bind(&TabSpecificContentSettings::WebDatabaseAccessed,
1874                   i->first, i->second, url, name, display_name, !allow));
1875  }
1876
1877  return allow;
1878}
1879
1880bool ChromeContentBrowserClient::AllowWorkerFileSystem(
1881    const GURL& url,
1882    content::ResourceContext* context,
1883    const std::vector<std::pair<int, int> >& render_frames) {
1884  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1885  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1886  CookieSettings* cookie_settings = io_data->GetCookieSettings();
1887  bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1888
1889  // Record access to file system for potential display in UI.
1890  std::vector<std::pair<int, int> >::const_iterator i;
1891  for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1892    BrowserThread::PostTask(
1893        BrowserThread::UI, FROM_HERE,
1894        base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
1895                   i->first, i->second, url, !allow));
1896  }
1897
1898  return allow;
1899}
1900
1901bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
1902    const GURL& url,
1903    const base::string16& name,
1904    content::ResourceContext* context,
1905    const std::vector<std::pair<int, int> >& render_frames) {
1906  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1907  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1908  CookieSettings* cookie_settings = io_data->GetCookieSettings();
1909  bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1910
1911  // Record access to IndexedDB for potential display in UI.
1912  std::vector<std::pair<int, int> >::const_iterator i;
1913  for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1914    BrowserThread::PostTask(
1915        BrowserThread::UI, FROM_HERE,
1916        base::Bind(&TabSpecificContentSettings::IndexedDBAccessed,
1917                   i->first, i->second, url, name, !allow));
1918  }
1919
1920  return allow;
1921}
1922
1923net::URLRequestContext*
1924ChromeContentBrowserClient::OverrideRequestContextForURL(
1925    const GURL& url, content::ResourceContext* context) {
1926  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1927  if (url.SchemeIs(extensions::kExtensionScheme)) {
1928    ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1929    return io_data->extensions_request_context();
1930  }
1931
1932  return NULL;
1933}
1934
1935QuotaPermissionContext*
1936ChromeContentBrowserClient::CreateQuotaPermissionContext() {
1937  return new ChromeQuotaPermissionContext();
1938}
1939
1940void ChromeContentBrowserClient::AllowCertificateError(
1941    int render_process_id,
1942    int render_frame_id,
1943    int cert_error,
1944    const net::SSLInfo& ssl_info,
1945    const GURL& request_url,
1946    ResourceType::Type resource_type,
1947    bool overridable,
1948    bool strict_enforcement,
1949    const base::Callback<void(bool)>& callback,
1950    content::CertificateRequestResultType* result) {
1951  if (resource_type != ResourceType::MAIN_FRAME) {
1952    // A sub-resource has a certificate error.  The user doesn't really
1953    // have a context for making the right decision, so block the
1954    // request hard, without an info bar to allow showing the insecure
1955    // content.
1956    *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
1957    return;
1958  }
1959
1960  // If the tab is being prerendered, cancel the prerender and the request.
1961  content::RenderFrameHost* render_frame_host =
1962      content::RenderFrameHost::FromID(render_process_id, render_frame_id);
1963  WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
1964  if (!tab) {
1965    NOTREACHED();
1966    return;
1967  }
1968
1969  prerender::PrerenderContents* prerender_contents =
1970      prerender::PrerenderContents::FromWebContents(tab);
1971  if (prerender_contents) {
1972    prerender_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
1973    *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
1974    return;
1975  }
1976
1977#if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
1978  CaptivePortalTabHelper* captive_portal_tab_helper =
1979      CaptivePortalTabHelper::FromWebContents(tab);
1980  if (captive_portal_tab_helper)
1981    captive_portal_tab_helper->OnSSLCertError(ssl_info);
1982#endif
1983
1984  // Otherwise, display an SSL blocking page.
1985  new SSLBlockingPage(tab, cert_error, ssl_info, request_url, overridable,
1986                      strict_enforcement, callback);
1987}
1988
1989void ChromeContentBrowserClient::SelectClientCertificate(
1990    int render_process_id,
1991    int render_frame_id,
1992    const net::HttpNetworkSession* network_session,
1993    net::SSLCertRequestInfo* cert_request_info,
1994    const base::Callback<void(net::X509Certificate*)>& callback) {
1995  content::RenderFrameHost* rfh = content::RenderFrameHost::FromID(
1996      render_process_id, render_frame_id);
1997  WebContents* tab = WebContents::FromRenderFrameHost(rfh);
1998  if (!tab) {
1999    NOTREACHED();
2000    return;
2001  }
2002
2003  prerender::PrerenderContents* prerender_contents =
2004      prerender::PrerenderContents::FromWebContents(tab);
2005  if (prerender_contents) {
2006    prerender_contents->Destroy(
2007        prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
2008    return;
2009  }
2010
2011  GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
2012  DCHECK(requesting_url.is_valid())
2013      << "Invalid URL string: https://"
2014      << cert_request_info->host_and_port.ToString();
2015
2016  Profile* profile = Profile::FromBrowserContext(tab->GetBrowserContext());
2017  scoped_ptr<base::Value> filter(
2018      profile->GetHostContentSettingsMap()->GetWebsiteSetting(
2019          requesting_url,
2020          requesting_url,
2021          CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
2022          std::string(), NULL));
2023
2024  if (filter.get()) {
2025    // Try to automatically select a client certificate.
2026    if (filter->IsType(base::Value::TYPE_DICTIONARY)) {
2027      base::DictionaryValue* filter_dict =
2028          static_cast<base::DictionaryValue*>(filter.get());
2029
2030      const std::vector<scoped_refptr<net::X509Certificate> >&
2031          all_client_certs = cert_request_info->client_certs;
2032      for (size_t i = 0; i < all_client_certs.size(); ++i) {
2033        if (CertMatchesFilter(*all_client_certs[i].get(), *filter_dict)) {
2034          // Use the first certificate that is matched by the filter.
2035          callback.Run(all_client_certs[i].get());
2036          return;
2037        }
2038      }
2039    } else {
2040      NOTREACHED();
2041    }
2042  }
2043
2044  chrome::ShowSSLClientCertificateSelector(tab, network_session,
2045                                           cert_request_info, callback);
2046}
2047
2048void ChromeContentBrowserClient::AddCertificate(
2049    net::CertificateMimeType cert_type,
2050    const void* cert_data,
2051    size_t cert_size,
2052    int render_process_id,
2053    int render_frame_id) {
2054  chrome::SSLAddCertificate(cert_type, cert_data, cert_size,
2055                            render_process_id, render_frame_id);
2056}
2057
2058content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
2059  return MediaCaptureDevicesDispatcher::GetInstance();
2060}
2061
2062void ChromeContentBrowserClient::RequestDesktopNotificationPermission(
2063    const GURL& source_origin,
2064    content::RenderFrameHost* render_frame_host,
2065    const base::Closure& callback) {
2066#if defined(ENABLE_NOTIFICATIONS)
2067  // Skip showing the infobar if the request comes from an extension, and that
2068  // extension has the 'notify' permission. (If the extension does not have the
2069  // permission, the user will still be prompted.)
2070  Profile* profile = Profile::FromBrowserContext(
2071      render_frame_host->GetSiteInstance()->GetBrowserContext());
2072  InfoMap* extension_info_map =
2073      extensions::ExtensionSystem::Get(profile)->info_map();
2074  DesktopNotificationService* notification_service =
2075      DesktopNotificationServiceFactory::GetForProfile(profile);
2076  const Extension* extension = NULL;
2077  if (extension_info_map) {
2078    extensions::ExtensionSet extensions;
2079    extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
2080        source_origin, render_frame_host->GetProcess()->GetID(),
2081        extensions::APIPermission::kNotification, &extensions);
2082    for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
2083         iter != extensions.end(); ++iter) {
2084      if (notification_service->IsNotifierEnabled(NotifierId(
2085              NotifierId::APPLICATION, (*iter)->id()))) {
2086        extension = iter->get();
2087        break;
2088      }
2089    }
2090  }
2091  if (IsExtensionWithPermissionOrSuggestInConsole(
2092          APIPermission::kNotification, extension,
2093          render_frame_host->GetRenderViewHost())) {
2094    callback.Run();
2095    return;
2096  }
2097
2098  notification_service->RequestPermission(
2099      source_origin, render_frame_host, callback);
2100#else
2101  NOTIMPLEMENTED();
2102#endif
2103}
2104
2105blink::WebNotificationPresenter::Permission
2106    ChromeContentBrowserClient::CheckDesktopNotificationPermission(
2107        const GURL& source_origin,
2108        content::ResourceContext* context,
2109        int render_process_id) {
2110#if defined(ENABLE_NOTIFICATIONS)
2111  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2112
2113  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2114  InfoMap* extension_info_map = io_data->GetExtensionInfoMap();
2115
2116  // We want to see if there is an extension that hasn't been manually disabled
2117  // that has the notifications permission and applies to this security origin.
2118  // First, get the list of extensions with permission for the origin.
2119  extensions::ExtensionSet extensions;
2120  extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
2121      source_origin, render_process_id,
2122      extensions::APIPermission::kNotification, &extensions);
2123  for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
2124       iter != extensions.end(); ++iter) {
2125    // Then, check to see if it's been disabled by the user.
2126    if (!extension_info_map->AreNotificationsDisabled((*iter)->id()))
2127      return blink::WebNotificationPresenter::PermissionAllowed;
2128  }
2129
2130  // No enabled extensions exist, so check the normal host content settings.
2131  HostContentSettingsMap* host_content_settings_map =
2132      io_data->GetHostContentSettingsMap();
2133  ContentSetting setting = host_content_settings_map->GetContentSetting(
2134      source_origin,
2135      source_origin,
2136      CONTENT_SETTINGS_TYPE_NOTIFICATIONS,
2137      NO_RESOURCE_IDENTIFIER);
2138
2139  if (setting == CONTENT_SETTING_ALLOW)
2140    return blink::WebNotificationPresenter::PermissionAllowed;
2141  if (setting == CONTENT_SETTING_BLOCK)
2142    return blink::WebNotificationPresenter::PermissionDenied;
2143  return blink::WebNotificationPresenter::PermissionNotAllowed;
2144#else
2145  return blink::WebNotificationPresenter::PermissionAllowed;
2146#endif
2147}
2148
2149void ChromeContentBrowserClient::ShowDesktopNotification(
2150    const content::ShowDesktopNotificationHostMsgParams& params,
2151    RenderFrameHost* render_frame_host,
2152    content::DesktopNotificationDelegate* delegate,
2153    base::Closure* cancel_callback) {
2154#if defined(ENABLE_NOTIFICATIONS)
2155  content::RenderProcessHost* process = render_frame_host->GetProcess();
2156  Profile* profile = Profile::FromBrowserContext(process->GetBrowserContext());
2157  DesktopNotificationService* service =
2158      DesktopNotificationServiceFactory::GetForProfile(profile);
2159  service->ShowDesktopNotification(
2160      params, render_frame_host, delegate, cancel_callback);
2161#else
2162  NOTIMPLEMENTED();
2163#endif
2164}
2165
2166void ChromeContentBrowserClient::RequestGeolocationPermission(
2167    content::WebContents* web_contents,
2168    int bridge_id,
2169    const GURL& requesting_frame,
2170    bool user_gesture,
2171    base::Callback<void(bool)> result_callback,
2172    base::Closure* cancel_callback) {
2173  GeolocationPermissionContextFactory::GetForProfile(
2174      Profile::FromBrowserContext(web_contents->GetBrowserContext()))->
2175          RequestGeolocationPermission(web_contents, bridge_id,
2176                                       requesting_frame, user_gesture,
2177                                       result_callback, cancel_callback);
2178}
2179
2180void ChromeContentBrowserClient::RequestMidiSysExPermission(
2181    content::WebContents* web_contents,
2182    int bridge_id,
2183    const GURL& requesting_frame,
2184    bool user_gesture,
2185    base::Callback<void(bool)> result_callback,
2186    base::Closure* cancel_callback) {
2187  MidiPermissionContext* context =
2188      MidiPermissionContextFactory::GetForProfile(
2189          Profile::FromBrowserContext(web_contents->GetBrowserContext()));
2190  context->RequestMidiSysExPermission(web_contents, bridge_id, requesting_frame,
2191                                      user_gesture, result_callback,
2192                                      cancel_callback);
2193}
2194
2195void ChromeContentBrowserClient::RequestProtectedMediaIdentifierPermission(
2196    content::WebContents* web_contents,
2197    const GURL& origin,
2198    base::Callback<void(bool)> result_callback,
2199    base::Closure* cancel_callback) {
2200#if defined(OS_ANDROID)
2201  ProtectedMediaIdentifierPermissionContext* context =
2202      ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(
2203          Profile::FromBrowserContext(web_contents->GetBrowserContext()));
2204  context->RequestProtectedMediaIdentifierPermission(web_contents,
2205                                                     origin,
2206                                                     result_callback,
2207                                                     cancel_callback);
2208#else
2209  NOTIMPLEMENTED();
2210  result_callback.Run(false);
2211#endif  // defined(OS_ANDROID)
2212}
2213
2214bool ChromeContentBrowserClient::CanCreateWindow(
2215    const GURL& opener_url,
2216    const GURL& opener_top_level_frame_url,
2217    const GURL& source_origin,
2218    WindowContainerType container_type,
2219    const GURL& target_url,
2220    const content::Referrer& referrer,
2221    WindowOpenDisposition disposition,
2222    const WebWindowFeatures& features,
2223    bool user_gesture,
2224    bool opener_suppressed,
2225    content::ResourceContext* context,
2226    int render_process_id,
2227    int opener_id,
2228    bool* no_javascript_access) {
2229  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2230
2231  *no_javascript_access = false;
2232
2233  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2234  InfoMap* map = io_data->GetExtensionInfoMap();
2235
2236  // If the opener is trying to create a background window but doesn't have
2237  // the appropriate permission, fail the attempt.
2238  if (container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
2239    if (!map->SecurityOriginHasAPIPermission(
2240            source_origin,
2241            render_process_id,
2242            APIPermission::kBackground)) {
2243      return false;
2244    }
2245
2246    // Note: this use of GetExtensionOrAppByURL is safe but imperfect.  It may
2247    // return a recently installed Extension even if this CanCreateWindow call
2248    // was made by an old copy of the page in a normal web process.  That's ok,
2249    // because the permission check above would have caused an early return
2250    // already. We must use the full URL to find hosted apps, though, and not
2251    // just the origin.
2252    const Extension* extension =
2253        map->extensions().GetExtensionOrAppByURL(opener_url);
2254    if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
2255      *no_javascript_access = true;
2256
2257    return true;
2258  }
2259
2260  ExtensionRendererState* renderer_state =
2261      ExtensionRendererState::GetInstance();
2262  ExtensionRendererState::WebViewInfo webview_info;
2263  bool is_guest = renderer_state->GetWebViewInfo(render_process_id,
2264                                                 opener_id,
2265                                                 &webview_info);
2266  if (is_guest)
2267    return true;
2268
2269  HostContentSettingsMap* content_settings =
2270      ProfileIOData::FromResourceContext(context)->GetHostContentSettingsMap();
2271  BlockedWindowParams blocked_params(target_url,
2272                                    referrer,
2273                                    disposition,
2274                                    features,
2275                                    user_gesture,
2276                                    opener_suppressed,
2277                                    render_process_id,
2278                                    opener_id);
2279
2280  if (!user_gesture && !CommandLine::ForCurrentProcess()->HasSwitch(
2281        switches::kDisablePopupBlocking)) {
2282    if (content_settings->GetContentSetting(opener_top_level_frame_url,
2283                                            opener_top_level_frame_url,
2284                                            CONTENT_SETTINGS_TYPE_POPUPS,
2285                                            std::string()) !=
2286        CONTENT_SETTING_ALLOW) {
2287      BrowserThread::PostTask(BrowserThread::UI,
2288                              FROM_HERE,
2289                              base::Bind(&HandleBlockedPopupOnUIThread,
2290                                         blocked_params));
2291      return false;
2292    }
2293  }
2294
2295#if defined(OS_ANDROID)
2296  if (SingleTabModeTabHelper::IsRegistered(render_process_id, opener_id)) {
2297    BrowserThread::PostTask(BrowserThread::UI,
2298                            FROM_HERE,
2299                            base::Bind(&HandleSingleTabModeBlockOnUIThread,
2300                                       blocked_params));
2301    return false;
2302  }
2303#endif
2304
2305  return true;
2306}
2307
2308std::string ChromeContentBrowserClient::GetWorkerProcessTitle(
2309    const GURL& url, content::ResourceContext* context) {
2310  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2311  // Check if it's an extension-created worker, in which case we want to use
2312  // the name of the extension.
2313  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2314  const Extension* extension =
2315      io_data->GetExtensionInfoMap()->extensions().GetByID(url.host());
2316  return extension ? extension->name() : std::string();
2317}
2318
2319void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
2320  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
2321  prerender_tracker_ = g_browser_process->prerender_tracker();
2322  return g_browser_process->ResourceDispatcherHostCreated();
2323}
2324
2325// TODO(tommi): Rename from Get to Create.
2326content::SpeechRecognitionManagerDelegate*
2327    ChromeContentBrowserClient::GetSpeechRecognitionManagerDelegate() {
2328  return new speech::ChromeSpeechRecognitionManagerDelegate();
2329}
2330
2331net::NetLog* ChromeContentBrowserClient::GetNetLog() {
2332  return g_browser_process->net_log();
2333}
2334
2335AccessTokenStore* ChromeContentBrowserClient::CreateAccessTokenStore() {
2336  return new ChromeAccessTokenStore();
2337}
2338
2339bool ChromeContentBrowserClient::IsFastShutdownPossible() {
2340  return true;
2341}
2342
2343void ChromeContentBrowserClient::OverrideWebkitPrefs(
2344    RenderViewHost* rvh, const GURL& url, WebPreferences* web_prefs) {
2345  Profile* profile = Profile::FromBrowserContext(
2346      rvh->GetProcess()->GetBrowserContext());
2347  PrefService* prefs = profile->GetPrefs();
2348
2349  // Fill per-script font preferences. These are not registered on Android
2350  // - http://crbug.com/308033.
2351#if !defined(OS_ANDROID)
2352  FillFontFamilyMap(prefs, prefs::kWebKitStandardFontFamilyMap,
2353                    &web_prefs->standard_font_family_map);
2354  FillFontFamilyMap(prefs, prefs::kWebKitFixedFontFamilyMap,
2355                    &web_prefs->fixed_font_family_map);
2356  FillFontFamilyMap(prefs, prefs::kWebKitSerifFontFamilyMap,
2357                    &web_prefs->serif_font_family_map);
2358  FillFontFamilyMap(prefs, prefs::kWebKitSansSerifFontFamilyMap,
2359                    &web_prefs->sans_serif_font_family_map);
2360  FillFontFamilyMap(prefs, prefs::kWebKitCursiveFontFamilyMap,
2361                    &web_prefs->cursive_font_family_map);
2362  FillFontFamilyMap(prefs, prefs::kWebKitFantasyFontFamilyMap,
2363                    &web_prefs->fantasy_font_family_map);
2364  FillFontFamilyMap(prefs, prefs::kWebKitPictographFontFamilyMap,
2365                    &web_prefs->pictograph_font_family_map);
2366#endif
2367
2368  web_prefs->default_font_size =
2369      prefs->GetInteger(prefs::kWebKitDefaultFontSize);
2370  web_prefs->default_fixed_font_size =
2371      prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
2372  web_prefs->minimum_font_size =
2373      prefs->GetInteger(prefs::kWebKitMinimumFontSize);
2374  web_prefs->minimum_logical_font_size =
2375      prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
2376
2377  web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2378
2379  web_prefs->javascript_can_open_windows_automatically =
2380      prefs->GetBoolean(prefs::kWebKitJavascriptCanOpenWindowsAutomatically);
2381  web_prefs->dom_paste_enabled =
2382      prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
2383  web_prefs->shrinks_standalone_images_to_fit =
2384      prefs->GetBoolean(prefs::kWebKitShrinksStandaloneImagesToFit);
2385  const base::DictionaryValue* inspector_settings =
2386      prefs->GetDictionary(prefs::kWebKitInspectorSettings);
2387  if (inspector_settings) {
2388    for (base::DictionaryValue::Iterator iter(*inspector_settings);
2389         !iter.IsAtEnd();
2390         iter.Advance()) {
2391      std::string value;
2392      if (iter.value().GetAsString(&value)) {
2393          web_prefs->inspector_settings.push_back(
2394              std::make_pair(iter.key(), value));
2395      }
2396    }
2397  }
2398  web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
2399
2400  if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
2401    web_prefs->javascript_enabled = false;
2402  if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
2403    web_prefs->web_security_enabled = false;
2404  if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
2405    web_prefs->plugins_enabled = false;
2406  if (!prefs->GetBoolean(prefs::kWebKitJavaEnabled))
2407    web_prefs->java_enabled = false;
2408  web_prefs->loads_images_automatically =
2409      prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
2410
2411  if (prefs->GetBoolean(prefs::kDisable3DAPIs))
2412    web_prefs->experimental_webgl_enabled = false;
2413
2414  web_prefs->allow_displaying_insecure_content =
2415      prefs->GetBoolean(prefs::kWebKitAllowDisplayingInsecureContent);
2416  web_prefs->allow_running_insecure_content =
2417      prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
2418#if defined(OS_ANDROID)
2419  web_prefs->font_scale_factor =
2420      static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
2421  web_prefs->device_scale_adjustment = GetDeviceScaleAdjustment();
2422  web_prefs->force_enable_zoom =
2423      prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
2424#endif
2425
2426#if defined(OS_ANDROID)
2427  web_prefs->password_echo_enabled =
2428      prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
2429#else
2430  web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
2431#endif
2432
2433  web_prefs->asynchronous_spell_checking_enabled = true;
2434  web_prefs->unified_textchecker_enabled = true;
2435
2436  web_prefs->uses_universal_detector =
2437      prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
2438  web_prefs->text_areas_are_resizable =
2439      prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
2440  web_prefs->hyperlink_auditing_enabled =
2441      prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
2442
2443  // Make sure we will set the default_encoding with canonical encoding name.
2444  web_prefs->default_encoding =
2445      CharacterEncoding::GetCanonicalEncodingNameByAliasName(
2446          web_prefs->default_encoding);
2447  if (web_prefs->default_encoding.empty()) {
2448    prefs->ClearPref(prefs::kDefaultCharset);
2449    web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2450  }
2451  DCHECK(!web_prefs->default_encoding.empty());
2452
2453  WebContents* web_contents = WebContents::FromRenderViewHost(rvh);
2454  extensions::ViewType view_type = extensions::GetViewType(web_contents);
2455  ExtensionService* service =
2456      extensions::ExtensionSystem::Get(profile)->extension_service();
2457  if (service) {
2458    const GURL& site_url = rvh->GetSiteInstance()->GetSiteURL();
2459    const Extension* extension =
2460        service->extensions()->GetByID(site_url.host());
2461    // Ensure that we are only granting extension preferences to URLs with
2462    // the correct scheme. Without this check, chrome-guest:// schemes used by
2463    // webview tags as well as hosts that happen to match the id of an
2464    // installed extension would get the wrong preferences.
2465    if (site_url.SchemeIs(extensions::kExtensionScheme)) {
2466      extension_webkit_preferences::SetPreferences(
2467          extension, view_type, web_prefs);
2468    }
2469  }
2470}
2471
2472void ChromeContentBrowserClient::UpdateInspectorSetting(
2473    RenderViewHost* rvh, const std::string& key, const std::string& value) {
2474  content::BrowserContext* browser_context =
2475      rvh->GetProcess()->GetBrowserContext();
2476  DictionaryPrefUpdate update(
2477      Profile::FromBrowserContext(browser_context)->GetPrefs(),
2478      prefs::kWebKitInspectorSettings);
2479  base::DictionaryValue* inspector_settings = update.Get();
2480  inspector_settings->SetWithoutPathExpansion(
2481      key, base::Value::CreateStringValue(value));
2482}
2483
2484void ChromeContentBrowserClient::BrowserURLHandlerCreated(
2485    BrowserURLHandler* handler) {
2486  // Add the default URL handlers.
2487  handler->AddHandlerPair(&ExtensionWebUI::HandleChromeURLOverride,
2488                          BrowserURLHandler::null_handler());
2489  handler->AddHandlerPair(BrowserURLHandler::null_handler(),
2490                          &ExtensionWebUI::HandleChromeURLOverrideReverse);
2491
2492  // about: handler. Must come before chrome: handler, since it will
2493  // rewrite about: urls to chrome: URLs and then expect chrome: to
2494  // actually handle them.
2495  handler->AddHandlerPair(&WillHandleBrowserAboutURL,
2496                          BrowserURLHandler::null_handler());
2497
2498#if defined(OS_ANDROID)
2499  // Handler to rewrite chrome://newtab on Android.
2500  handler->AddHandlerPair(&chrome::android::HandleAndroidNewTabURL,
2501                          BrowserURLHandler::null_handler());
2502#else
2503  // Handler to rewrite chrome://newtab for InstantExtended.
2504  handler->AddHandlerPair(&chrome::HandleNewTabURLRewrite,
2505                          &chrome::HandleNewTabURLReverseRewrite);
2506#endif
2507
2508  // chrome: & friends.
2509  handler->AddHandlerPair(&HandleWebUI, &HandleWebUIReverse);
2510}
2511
2512void ChromeContentBrowserClient::ClearCache(RenderViewHost* rvh) {
2513  Profile* profile = Profile::FromBrowserContext(
2514      rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2515  BrowsingDataRemover* remover =
2516      BrowsingDataRemover::CreateForUnboundedRange(profile);
2517  remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
2518                  BrowsingDataHelper::UNPROTECTED_WEB);
2519  // BrowsingDataRemover takes care of deleting itself when done.
2520}
2521
2522void ChromeContentBrowserClient::ClearCookies(RenderViewHost* rvh) {
2523  Profile* profile = Profile::FromBrowserContext(
2524      rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2525  BrowsingDataRemover* remover =
2526      BrowsingDataRemover::CreateForUnboundedRange(profile);
2527  int remove_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
2528  remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
2529  // BrowsingDataRemover takes care of deleting itself when done.
2530}
2531
2532base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
2533  return DownloadPrefs::GetDefaultDownloadDirectory();
2534}
2535
2536std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
2537  return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
2538}
2539
2540void ChromeContentBrowserClient::DidCreatePpapiPlugin(
2541    content::BrowserPpapiHost* browser_host) {
2542#if defined(ENABLE_PLUGINS)
2543  browser_host->GetPpapiHost()->AddHostFactoryFilter(
2544      scoped_ptr<ppapi::host::HostFactory>(
2545          new ChromeBrowserPepperHostFactory(browser_host)));
2546#endif
2547}
2548
2549content::BrowserPpapiHost*
2550    ChromeContentBrowserClient::GetExternalBrowserPpapiHost(
2551        int plugin_process_id) {
2552  BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
2553  while (!iter.Done()) {
2554    nacl::NaClProcessHost* host = static_cast<nacl::NaClProcessHost*>(
2555        iter.GetDelegate());
2556    if (host->process() &&
2557        host->process()->GetData().id == plugin_process_id) {
2558      // Found the plugin.
2559      return host->browser_ppapi_host();
2560    }
2561    ++iter;
2562  }
2563  return NULL;
2564}
2565
2566bool ChromeContentBrowserClient::AllowPepperSocketAPI(
2567    content::BrowserContext* browser_context,
2568    const GURL& url,
2569    bool private_api,
2570    const content::SocketPermissionRequest* params) {
2571#if defined(ENABLE_PLUGINS)
2572  Profile* profile = Profile::FromBrowserContext(browser_context);
2573  const extensions::ExtensionSet* extension_set = NULL;
2574  if (profile) {
2575    extension_set = extensions::ExtensionSystem::Get(profile)->
2576        extension_service()->extensions();
2577  }
2578
2579  if (private_api) {
2580    // Access to private socket APIs is controlled by the whitelist.
2581    if (IsExtensionOrSharedModuleWhitelisted(url, extension_set,
2582                                             allowed_socket_origins_)) {
2583      return true;
2584    }
2585  } else {
2586    // Access to public socket APIs is controlled by extension permissions.
2587    if (url.is_valid() && url.SchemeIs(extensions::kExtensionScheme) &&
2588        extension_set) {
2589      const Extension* extension = extension_set->GetByID(url.host());
2590      if (extension) {
2591        const extensions::PermissionsData* permissions_data =
2592            extension->permissions_data();
2593        if (params) {
2594          extensions::SocketPermission::CheckParam check_params(
2595              params->type, params->host, params->port);
2596          if (permissions_data->CheckAPIPermissionWithParam(
2597                  extensions::APIPermission::kSocket, &check_params)) {
2598            return true;
2599          }
2600        } else if (permissions_data->HasAPIPermission(
2601                       extensions::APIPermission::kSocket)) {
2602          return true;
2603        }
2604      }
2605    }
2606  }
2607
2608  // Allow both public and private APIs if the command line says so.
2609  return IsHostAllowedByCommandLine(url, extension_set,
2610                                    switches::kAllowNaClSocketAPI);
2611#else
2612  return false;
2613#endif
2614}
2615
2616ui::SelectFilePolicy* ChromeContentBrowserClient::CreateSelectFilePolicy(
2617    WebContents* web_contents) {
2618  return new ChromeSelectFilePolicy(web_contents);
2619}
2620
2621void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2622    std::vector<std::string>* additional_allowed_schemes) {
2623  ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2624      additional_allowed_schemes);
2625  additional_allowed_schemes->push_back(content::kChromeDevToolsScheme);
2626  additional_allowed_schemes->push_back(content::kChromeUIScheme);
2627  additional_allowed_schemes->push_back(extensions::kExtensionScheme);
2628}
2629
2630void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
2631    std::vector<fileapi::URLRequestAutoMountHandler>* handlers) {
2632#if !defined(OS_ANDROID)
2633  handlers->push_back(
2634      base::Bind(MediaFileSystemBackend::AttemptAutoMountForURLRequest));
2635#endif  // OS_ANDROID
2636}
2637
2638void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
2639    content::BrowserContext* browser_context,
2640    const base::FilePath& storage_partition_path,
2641    ScopedVector<fileapi::FileSystemBackend>* additional_backends) {
2642#if !defined(OS_ANDROID)
2643  base::SequencedWorkerPool* pool = content::BrowserThread::GetBlockingPool();
2644  additional_backends->push_back(new MediaFileSystemBackend(
2645      storage_partition_path,
2646      pool->GetSequencedTaskRunner(pool->GetNamedSequenceToken(
2647          MediaFileSystemBackend::kMediaTaskRunnerName)).get()));
2648#endif
2649#if defined(OS_CHROMEOS)
2650  fileapi::ExternalMountPoints* external_mount_points =
2651      content::BrowserContext::GetMountPoints(browser_context);
2652  DCHECK(external_mount_points);
2653  chromeos::FileSystemBackend* backend = new chromeos::FileSystemBackend(
2654      new drive::FileSystemBackendDelegate,
2655      new chromeos::file_system_provider::BackendDelegate,
2656      new chromeos::MTPFileSystemBackendDelegate(storage_partition_path),
2657      browser_context->GetSpecialStoragePolicy(),
2658      external_mount_points,
2659      fileapi::ExternalMountPoints::GetSystemInstance());
2660  backend->AddSystemMountPoints();
2661  DCHECK(backend->CanHandleType(fileapi::kFileSystemTypeExternal));
2662  additional_backends->push_back(backend);
2663#endif
2664
2665  additional_backends->push_back(
2666      new sync_file_system::SyncFileSystemBackend(
2667          Profile::FromBrowserContext(browser_context)));
2668
2669#if defined(ENABLE_SERVICE_DISCOVERY)
2670  if (CommandLine::ForCurrentProcess()->HasSwitch(
2671          switches::kEnablePrivetStorage)) {
2672    additional_backends->push_back(
2673        new local_discovery::PrivetFileSystemBackend(
2674            fileapi::ExternalMountPoints::GetSystemInstance(),
2675            browser_context));
2676  }
2677#endif
2678}
2679
2680#if defined(OS_POSIX) && !defined(OS_MACOSX)
2681void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2682    const CommandLine& command_line,
2683    int child_process_id,
2684    std::vector<FileDescriptorInfo>* mappings) {
2685#if defined(OS_ANDROID)
2686  base::FilePath data_path;
2687  PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &data_path);
2688  DCHECK(!data_path.empty());
2689
2690  int flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2691  base::FilePath chrome_resources_pak =
2692      data_path.AppendASCII("chrome_100_percent.pak");
2693  base::File file(chrome_resources_pak, flags);
2694  DCHECK(file.IsValid());
2695  mappings->push_back(FileDescriptorInfo(kAndroidChrome100PercentPakDescriptor,
2696                                         FileDescriptor(file.Pass())));
2697
2698  const std::string locale = GetApplicationLocale();
2699  base::FilePath locale_pak = ResourceBundle::GetSharedInstance().
2700      GetLocaleFilePath(locale, false);
2701  file.Initialize(locale_pak, flags);
2702  DCHECK(file.IsValid());
2703  mappings->push_back(FileDescriptorInfo(kAndroidLocalePakDescriptor,
2704                                         FileDescriptor(file.Pass())));
2705
2706  base::FilePath resources_pack_path;
2707  PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
2708  file.Initialize(resources_pack_path, flags);
2709  DCHECK(file.IsValid());
2710  mappings->push_back(FileDescriptorInfo(kAndroidUIResourcesPakDescriptor,
2711                                         FileDescriptor(file.Pass())));
2712
2713  if (breakpad::IsCrashReporterEnabled()) {
2714    file = breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
2715               child_process_id);
2716    if (file.IsValid()) {
2717      mappings->push_back(FileDescriptorInfo(kAndroidMinidumpDescriptor,
2718                                             FileDescriptor(file.Pass())));
2719    } else {
2720      LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
2721                 "be disabled for this process.";
2722    }
2723  }
2724
2725  base::FilePath app_data_path;
2726  PathService::Get(base::DIR_ANDROID_APP_DATA, &app_data_path);
2727  DCHECK(!app_data_path.empty());
2728
2729  flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2730  base::FilePath icudata_path =
2731      app_data_path.AppendASCII("icudtl.dat");
2732  base::File icudata_file(icudata_path, flags);
2733  DCHECK(icudata_file.IsValid());
2734  mappings->push_back(FileDescriptorInfo(kAndroidICUDataDescriptor,
2735                                         FileDescriptor(icudata_file.Pass())));
2736
2737#else
2738  int crash_signal_fd = GetCrashSignalFD(command_line);
2739  if (crash_signal_fd >= 0) {
2740    mappings->push_back(FileDescriptorInfo(kCrashDumpSignal,
2741                                           FileDescriptor(crash_signal_fd,
2742                                                          false)));
2743  }
2744#endif  // defined(OS_ANDROID)
2745}
2746#endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
2747
2748#if defined(OS_WIN)
2749const wchar_t* ChromeContentBrowserClient::GetResourceDllName() {
2750  return chrome::kBrowserResourcesDll;
2751}
2752
2753void ChromeContentBrowserClient::PreSpawnRenderer(
2754    sandbox::TargetPolicy* policy,
2755    bool* success) {
2756  // This code is duplicated in nacl_exe_win_64.cc.
2757  // Allow the server side of a pipe restricted to the "chrome.nacl."
2758  // namespace so that it cannot impersonate other system or other chrome
2759  // service pipes.
2760  sandbox::ResultCode result = policy->AddRule(
2761      sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
2762      sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
2763      L"\\\\.\\pipe\\chrome.nacl.*");
2764  if (result != sandbox::SBOX_ALL_OK) {
2765    *success = false;
2766    return;
2767  }
2768
2769  // Renderers need to send named pipe handles and shared memory
2770  // segment handles to NaCl loader processes.
2771  result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
2772                           sandbox::TargetPolicy::HANDLES_DUP_ANY,
2773                           L"File");
2774  if (result != sandbox::SBOX_ALL_OK) {
2775    *success = false;
2776    return;
2777  }
2778}
2779#endif
2780
2781content::DevToolsManagerDelegate*
2782ChromeContentBrowserClient::GetDevToolsManagerDelegate() {
2783  return new ChromeDevToolsManagerDelegate();
2784}
2785
2786bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
2787    content::BrowserContext* browser_context,
2788    const GURL& url) {
2789#if defined(ENABLE_PLUGINS)
2790  Profile* profile = Profile::FromBrowserContext(browser_context);
2791  const extensions::ExtensionSet* extension_set = NULL;
2792  if (profile) {
2793    extension_set = extensions::ExtensionSystem::Get(profile)->
2794        extension_service()->extensions();
2795  }
2796  // TODO(teravest): Populate allowed_file_handle_origins_ when FileIO is moved
2797  // from the renderer to the browser.
2798  return IsExtensionOrSharedModuleWhitelisted(url, extension_set,
2799                                              allowed_file_handle_origins_) ||
2800         IsHostAllowedByCommandLine(url, extension_set,
2801                                    switches::kAllowNaClFileHandleAPI);
2802#else
2803  return false;
2804#endif
2805}
2806
2807bool ChromeContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs() {
2808#if defined(ENABLE_PLUGINS)
2809  // Allow access for tests.
2810  if (CommandLine::ForCurrentProcess()->HasSwitch(
2811          switches::kEnablePepperTesting)) {
2812    return true;
2813  }
2814
2815  chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
2816  // Allow dev channel APIs to be used on "Canary", "Dev", and "Unknown"
2817  // releases of Chrome. Permitting "Unknown" allows these APIs to be used on
2818  // Chromium builds as well.
2819  return channel <= chrome::VersionInfo::CHANNEL_DEV;
2820#else
2821  return false;
2822#endif
2823}
2824
2825net::CookieStore*
2826ChromeContentBrowserClient::OverrideCookieStoreForRenderProcess(
2827    int render_process_id) {
2828  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2829  if (!prerender_tracker_)
2830    return NULL;
2831  return prerender_tracker_->
2832      GetPrerenderCookieStoreForRenderProcess(render_process_id);
2833}
2834
2835#if defined(ENABLE_WEBRTC)
2836void ChromeContentBrowserClient::MaybeCopyDisableWebRtcEncryptionSwitch(
2837    CommandLine* to_command_line,
2838    const CommandLine& from_command_line,
2839    VersionInfo::Channel channel) {
2840#if defined(OS_ANDROID)
2841  const VersionInfo::Channel kMaxDisableEncryptionChannel =
2842      VersionInfo::CHANNEL_BETA;
2843#else
2844  const VersionInfo::Channel kMaxDisableEncryptionChannel =
2845      VersionInfo::CHANNEL_DEV;
2846#endif
2847  if (channel <= kMaxDisableEncryptionChannel) {
2848    static const char* const kWebRtcDevSwitchNames[] = {
2849      switches::kDisableWebRtcEncryption,
2850    };
2851    to_command_line->CopySwitchesFrom(from_command_line,
2852                                      kWebRtcDevSwitchNames,
2853                                      arraysize(kWebRtcDevSwitchNames));
2854  }
2855}
2856#endif  // defined(ENABLE_WEBRTC)
2857
2858}  // namespace chrome
2859