chrome_content_browser_client.cc revision 6e8cce623b6e4fe0c9e4af605d675dd9d0338c38 
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_content_browser_client_parts.h"
27#include "chrome/browser/chrome_net_benchmarking_message_filter.h"
28#include "chrome/browser/chrome_quota_permission_context.h"
29#include "chrome/browser/content_settings/content_settings_utils.h"
30#include "chrome/browser/content_settings/cookie_settings.h"
31#include "chrome/browser/content_settings/host_content_settings_map.h"
32#include "chrome/browser/content_settings/permission_request_id.h"
33#include "chrome/browser/content_settings/tab_specific_content_settings.h"
34#include "chrome/browser/defaults.h"
35#include "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
36#include "chrome/browser/download/download_prefs.h"
37#include "chrome/browser/font_family_cache.h"
38#include "chrome/browser/geolocation/chrome_access_token_store.h"
39#include "chrome/browser/geolocation/geolocation_permission_context.h"
40#include "chrome/browser/geolocation/geolocation_permission_context_factory.h"
41#include "chrome/browser/media/cast_transport_host_filter.h"
42#include "chrome/browser/media/media_capture_devices_dispatcher.h"
43#include "chrome/browser/media/midi_permission_context.h"
44#include "chrome/browser/media/midi_permission_context_factory.h"
45#include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
46#include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
47#include "chrome/browser/net/chrome_net_log.h"
48#include "chrome/browser/notifications/desktop_notification_service.h"
49#include "chrome/browser/notifications/desktop_notification_service_factory.h"
50#include "chrome/browser/platform_util.h"
51#include "chrome/browser/plugins/plugin_info_message_filter.h"
52#include "chrome/browser/prerender/prerender_final_status.h"
53#include "chrome/browser/prerender/prerender_manager.h"
54#include "chrome/browser/prerender/prerender_manager_factory.h"
55#include "chrome/browser/prerender/prerender_message_filter.h"
56#include "chrome/browser/prerender/prerender_tracker.h"
57#include "chrome/browser/printing/printing_message_filter.h"
58#include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
59#include "chrome/browser/profiles/profile.h"
60#include "chrome/browser/profiles/profile_io_data.h"
61#include "chrome/browser/renderer_host/chrome_render_message_filter.h"
62#include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
63#include "chrome/browser/search/instant_service.h"
64#include "chrome/browser/search/instant_service_factory.h"
65#include "chrome/browser/search/search.h"
66#include "chrome/browser/search_engines/search_provider_install_state_message_filter.h"
67#include "chrome/browser/signin/principals_message_filter.h"
68#include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
69#include "chrome/browser/speech/extension_api/tts_engine_extension_api.h"
70#include "chrome/browser/speech/tts_controller.h"
71#include "chrome/browser/speech/tts_message_filter.h"
72#include "chrome/browser/ssl/ssl_add_certificate.h"
73#include "chrome/browser/ssl/ssl_blocking_page.h"
74#include "chrome/browser/ssl/ssl_client_certificate_selector.h"
75#include "chrome/browser/tab_contents/tab_util.h"
76#include "chrome/browser/ui/blocked_content/blocked_window_params.h"
77#include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
78#include "chrome/browser/ui/chrome_select_file_policy.h"
79#include "chrome/browser/ui/sync/sync_promo_ui.h"
80#include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
81#include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
82#include "chrome/common/chrome_constants.h"
83#include "chrome/common/chrome_paths.h"
84#include "chrome/common/chrome_switches.h"
85#include "chrome/common/content_settings.h"
86#include "chrome/common/env_vars.h"
87#include "chrome/common/logging_chrome.h"
88#include "chrome/common/pepper_permission_util.h"
89#include "chrome/common/pref_names.h"
90#include "chrome/common/render_messages.h"
91#include "chrome/common/url_constants.h"
92#include "chrome/installer/util/google_update_settings.h"
93#include "chromeos/chromeos_constants.h"
94#include "components/cdm/browser/cdm_message_filter_android.h"
95#include "components/cloud_devices/common/cloud_devices_switches.h"
96#include "components/dom_distiller/core/url_constants.h"
97#include "components/google/core/browser/google_util.h"
98#include "components/metrics/client_info.h"
99#include "components/pref_registry/pref_registry_syncable.h"
100#include "components/signin/core/common/profile_management_switches.h"
101#include "components/translate/core/common/translate_switches.h"
102#include "content/public/browser/browser_child_process_host.h"
103#include "content/public/browser/browser_main_parts.h"
104#include "content/public/browser/browser_ppapi_host.h"
105#include "content/public/browser/browser_thread.h"
106#include "content/public/browser/browser_url_handler.h"
107#include "content/public/browser/child_process_data.h"
108#include "content/public/browser/child_process_security_policy.h"
109#include "content/public/browser/desktop_notification_delegate.h"
110#include "content/public/browser/render_frame_host.h"
111#include "content/public/browser/render_process_host.h"
112#include "content/public/browser/render_view_host.h"
113#include "content/public/browser/resource_context.h"
114#include "content/public/browser/site_instance.h"
115#include "content/public/browser/web_contents.h"
116#include "content/public/common/child_process_host.h"
117#include "content/public/common/content_descriptors.h"
118#include "content/public/common/show_desktop_notification_params.h"
119#include "content/public/common/url_utils.h"
120#include "content/public/common/web_preferences.h"
121#include "extensions/browser/extension_system.h"
122#include "extensions/common/constants.h"
123#include "extensions/common/extension.h"
124#include "extensions/common/extension_set.h"
125#include "extensions/common/manifest_handlers/shared_module_info.h"
126#include "extensions/common/permissions/permissions_data.h"
127#include "extensions/common/permissions/socket_permission.h"
128#include "extensions/common/switches.h"
129#include "grit/generated_resources.h"
130#include "grit/ui_resources.h"
131#include "net/base/mime_util.h"
132#include "net/cookies/canonical_cookie.h"
133#include "net/cookies/cookie_options.h"
134#include "net/ssl/ssl_cert_request_info.h"
135#include "ppapi/host/ppapi_host.h"
136#include "ppapi/shared_impl/ppapi_switches.h"
137#include "ui/base/l10n/l10n_util.h"
138#include "ui/base/resource/resource_bundle.h"
139#include "webkit/browser/fileapi/external_mount_points.h"
140
141#if defined(OS_WIN)
142#include "base/win/windows_version.h"
143#include "chrome/browser/chrome_browser_main_win.h"
144#include "sandbox/win/src/sandbox_policy.h"
145#elif defined(OS_MACOSX)
146#include "chrome/browser/chrome_browser_main_mac.h"
147#include "chrome/browser/spellchecker/spellcheck_message_filter_mac.h"
148#include "components/breakpad/app/breakpad_mac.h"
149#elif defined(OS_CHROMEOS)
150#include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
151#include "chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.h"
152#include "chrome/browser/chromeos/file_manager/app_id.h"
153#include "chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.h"
154#include "chrome/browser/chromeos/fileapi/file_system_backend.h"
155#include "chrome/browser/chromeos/fileapi/mtp_file_system_backend_delegate.h"
156#include "chrome/browser/chromeos/login/startup_utils.h"
157#include "chrome/browser/chromeos/system/input_device_settings.h"
158#include "chromeos/chromeos_switches.h"
159#include "components/user_manager/user_manager.h"
160#elif defined(OS_LINUX)
161#include "chrome/browser/chrome_browser_main_linux.h"
162#elif defined(OS_ANDROID)
163#include "chrome/browser/android/new_tab_page_url_handler.h"
164#include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
165#include "chrome/browser/chrome_browser_main_android.h"
166#include "chrome/browser/media/protected_media_identifier_permission_context.h"
167#include "chrome/browser/media/protected_media_identifier_permission_context_factory.h"
168#include "chrome/common/descriptors_android.h"
169#include "components/breakpad/browser/crash_dump_manager_android.h"
170#elif defined(OS_POSIX)
171#include "chrome/browser/chrome_browser_main_posix.h"
172#endif
173
174#if defined(OS_POSIX) && !defined(OS_MACOSX)
175#include "base/debug/leak_annotations.h"
176#include "components/breakpad/app/breakpad_linux.h"
177#include "components/breakpad/browser/crash_handler_host_linux.h"
178#endif
179
180#if defined(OS_ANDROID)
181#include "ui/base/ui_base_paths.h"
182#include "ui/gfx/android/device_display_info.h"
183#endif
184
185#if !defined(OS_CHROMEOS)
186#include "chrome/browser/signin/chrome_signin_client.h"
187#include "chrome/browser/signin/chrome_signin_client_factory.h"
188#include "chrome/browser/signin/signin_manager_factory.h"
189#include "components/signin/core/browser/signin_manager.h"
190#endif
191
192#if defined(TOOLKIT_VIEWS)
193#include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
194#endif
195
196#if defined(USE_ASH)
197#include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
198#endif
199
200#if defined(USE_AURA)
201#include "chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.h"
202#endif
203
204#if defined(USE_X11)
205#include "chrome/browser/chrome_browser_main_extra_parts_x11.h"
206#endif
207
208#if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
209#include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
210#endif
211
212#if !defined(DISABLE_NACL)
213#include "components/nacl/browser/nacl_browser.h"
214#include "components/nacl/browser/nacl_host_message_filter.h"
215#include "components/nacl/browser/nacl_process_host.h"
216#include "components/nacl/common/nacl_process_type.h"
217#include "components/nacl/common/nacl_switches.h"
218#endif
219
220#if defined(ENABLE_EXTENSIONS)
221#include "chrome/browser/extensions/chrome_content_browser_client_extensions_part.h"
222#include "chrome/browser/extensions/extension_service.h"
223#include "chrome/browser/extensions/extension_util.h"
224#include "chrome/browser/extensions/suggest_permission_util.h"
225#include "chrome/browser/guest_view/web_view/web_view_guest.h"
226#include "chrome/browser/guest_view/web_view/web_view_permission_helper.h"
227#include "chrome/browser/guest_view/web_view/web_view_renderer_state.h"
228#include "extensions/browser/guest_view/guest_view_base.h"
229#include "extensions/browser/guest_view/guest_view_constants.h"
230#include "extensions/browser/guest_view/guest_view_manager.h"
231#include "extensions/common/manifest_handlers/background_info.h"
232#endif
233
234#if defined(ENABLE_SPELLCHECK)
235#include "chrome/browser/spellchecker/spellcheck_message_filter.h"
236#endif
237
238#if defined(ENABLE_SERVICE_DISCOVERY)
239#include "chrome/browser/local_discovery/storage/privet_filesystem_backend.h"
240#endif
241
242#if defined(ENABLE_WEBRTC)
243#include "chrome/browser/media/webrtc_logging_handler_host.h"
244#endif
245
246using base::FileDescriptor;
247using blink::WebWindowFeatures;
248using content::AccessTokenStore;
249using content::BrowserThread;
250using content::BrowserURLHandler;
251using content::ChildProcessSecurityPolicy;
252using content::QuotaPermissionContext;
253using content::RenderFrameHost;
254using content::RenderViewHost;
255using content::ResourceType;
256using content::SiteInstance;
257using content::WebContents;
258using content::WebPreferences;
259using extensions::APIPermission;
260using extensions::Extension;
261using extensions::InfoMap;
262using extensions::Manifest;
263using message_center::NotifierId;
264
265#if defined(OS_POSIX)
266using content::FileDescriptorInfo;
267#endif
268
269#if defined(ENABLE_EXTENSIONS)
270using extensions::ChromeContentBrowserClientExtensionsPart;
271#endif
272
273namespace {
274
275// Cached version of the locale so we can return the locale on the I/O
276// thread.
277base::LazyInstance<std::string> g_io_thread_application_locale;
278
279#if defined(ENABLE_PLUGINS)
280// TODO(teravest): Add renderer-side API-specific checking for these APIs so
281// that blanket permission isn't granted to all dev channel APIs for these.
282// http://crbug.com/386743
283const char* const kPredefinedAllowedDevChannelOrigins[] = {
284  "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/383937
285  "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/383937
286};
287
288const char* const kPredefinedAllowedFileHandleOrigins[] = {
289  "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
290  "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/234789
291};
292
293const char* const kPredefinedAllowedSocketOrigins[] = {
294  "okddffdblfhhnmhodogpojmfkjmhinfp",  // Test SSH Client
295  "pnhechapfaindjhompbnflcldabbghjo",  // HTerm App (SSH Client)
296  "bglhmjfplikpjnfoegeomebmfnkjomhe",  // see crbug.com/122126
297  "gbchcmhmhahfdphkhkmpfmihenigjmpp",  // Chrome Remote Desktop
298  "kgngmbheleoaphbjbaiobfdepmghbfah",  // Pre-release Chrome Remote Desktop
299  "odkaodonbgfohohmklejpjiejmcipmib",  // Dogfood Chrome Remote Desktop
300  "ojoimpklfciegopdfgeenehpalipignm",  // Chromoting canary
301  "cbkkbcmdlboombapidmoeolnmdacpkch",  // see crbug.com/129089
302  "hhnbmknkdabfoieppbbljkhkfjcmcbjh",  // see crbug.com/134099
303  "mablfbjkhmhkmefkjjacnbaikjkipphg",  // see crbug.com/134099
304  "pdeelgamlgannhelgoegilelnnojegoh",  // see crbug.com/134099
305  "cabapfdbkniadpollkckdnedaanlciaj",  // see crbug.com/134099
306  "mapljbgnjledlpdmlchihnmeclmefbba",  // see crbug.com/134099
307  "ghbfeebgmiidnnmeobbbaiamklmpbpii",  // see crbug.com/134099
308  "jdfhpkjeckflbbleddjlpimecpbjdeep",  // see crbug.com/142514
309  "iabmpiboiopbgfabjmgeedhcmjenhbla",  // see crbug.com/165080
310  "B7CF8A292249681AF81771650BA4CEEAF19A4560",  // see crbug.com/165080
311  "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
312  "4EB74897CB187C7633357C2FE832E0AD6A44883A",  // see crbug.com/234789
313  "7525AF4F66763A70A883C4700529F647B470E4D2",  // see crbug.com/238084
314  "0B549507088E1564D672F7942EB87CA4DAD73972",  // see crbug.com/238084
315  "864288364E239573E777D3E0E36864E590E95C74"   // see crbug.com/238084
316};
317#endif
318
319// Returns a copy of the given url with its host set to given host and path set
320// to given path. Other parts of the url will be the same.
321GURL ReplaceURLHostAndPath(const GURL& url,
322                           const std::string& host,
323                           const std::string& path) {
324  url::Replacements<char> replacements;
325  replacements.SetHost(host.c_str(), url::Component(0, host.length()));
326  replacements.SetPath(path.c_str(), url::Component(0, path.length()));
327  return url.ReplaceComponents(replacements);
328}
329
330// Maps "foo://bar/baz/" to "foo://chrome/bar/baz/".
331GURL AddUberHost(const GURL& url) {
332  const std::string uber_host = chrome::kChromeUIUberHost;
333  const std::string new_path = url.host() + url.path();
334
335  return ReplaceURLHostAndPath(url, uber_host, new_path);
336}
337
338// If url->host() is "chrome" and url->path() has characters other than the
339// first slash, changes the url from "foo://chrome/bar/" to "foo://bar/" and
340// returns true. Otherwise returns false.
341bool RemoveUberHost(GURL* url) {
342  if (url->host() != chrome::kChromeUIUberHost)
343    return false;
344
345  if (url->path().empty() || url->path() == "/")
346    return false;
347
348  const std::string old_path = url->path();
349
350  const std::string::size_type separator = old_path.find('/', 1);
351  std::string new_host;
352  std::string new_path;
353  if (separator == std::string::npos) {
354    new_host = old_path.substr(1);
355  } else {
356    new_host = old_path.substr(1, separator - 1);
357    new_path = old_path.substr(separator);
358  }
359
360  // Do not allow URLs with paths empty before the first slash since we can't
361  // have an empty host. (e.g "foo://chrome//")
362  if (new_host.empty())
363    return false;
364
365  *url = ReplaceURLHostAndPath(*url, new_host, new_path);
366
367  DCHECK(url->is_valid());
368
369  return true;
370}
371
372// Handles rewriting Web UI URLs.
373bool HandleWebUI(GURL* url, content::BrowserContext* browser_context) {
374  // Do not handle special URLs such as "about:foo"
375  if (!url->host().empty()) {
376    const GURL chrome_url = AddUberHost(*url);
377
378    // Handle valid "chrome://chrome/foo" URLs so the reverse handler will
379    // be called.
380    if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
381            browser_context, chrome_url))
382      return true;
383  }
384
385  if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
386          browser_context, *url))
387    return false;
388
389#if defined(OS_CHROMEOS)
390  // Special case : in ChromeOS in Guest mode bookmarks and history are
391  // disabled for security reasons. New tab page explains the reasons, so
392  // we redirect user to new tab page.
393  if (user_manager::UserManager::Get()->IsLoggedInAsGuest()) {
394    if (url->SchemeIs(content::kChromeUIScheme) &&
395        (url->DomainIs(chrome::kChromeUIBookmarksHost) ||
396         url->DomainIs(chrome::kChromeUIHistoryHost))) {
397      // Rewrite with new tab URL
398      *url = GURL(chrome::kChromeUINewTabURL);
399    }
400  }
401#endif
402
403  return true;
404}
405
406// Reverse URL handler for Web UI. Maps "chrome://chrome/foo/" to
407// "chrome://foo/".
408bool HandleWebUIReverse(GURL* url, content::BrowserContext* browser_context) {
409  if (!url->is_valid() || !url->SchemeIs(content::kChromeUIScheme))
410    return false;
411
412  return RemoveUberHost(url);
413}
414
415bool CertMatchesFilter(const net::X509Certificate& cert,
416                       const base::DictionaryValue& filter) {
417  // TODO(markusheintz): This is the minimal required filter implementation.
418  // Implement a better matcher.
419
420  // An empty filter matches any client certificate since no requirements are
421  // specified at all.
422  if (filter.empty())
423    return true;
424
425  std::string common_name;
426  if (filter.GetString("ISSUER.CN", &common_name) &&
427      (cert.issuer().common_name == common_name)) {
428    return true;
429  }
430  return false;
431}
432
433#if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
434breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
435    const std::string& process_type) {
436  base::FilePath dumps_path;
437  PathService::Get(chrome::DIR_CRASH_DUMPS, &dumps_path);
438  {
439    ANNOTATE_SCOPED_MEMORY_LEAK;
440    bool upload = (getenv(env_vars::kHeadless) == NULL);
441    breakpad::CrashHandlerHostLinux* crash_handler =
442        new breakpad::CrashHandlerHostLinux(process_type, dumps_path, upload);
443    crash_handler->StartUploaderThread();
444    return crash_handler;
445  }
446}
447
448int GetCrashSignalFD(const CommandLine& command_line) {
449  // Extensions have the same process type as renderers.
450  if (command_line.HasSwitch(extensions::switches::kExtensionProcess)) {
451    static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
452    if (!crash_handler)
453      crash_handler = CreateCrashHandlerHost("extension");
454    return crash_handler->GetDeathSignalSocket();
455  }
456
457  std::string process_type =
458      command_line.GetSwitchValueASCII(switches::kProcessType);
459
460  if (process_type == switches::kRendererProcess) {
461    static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
462    if (!crash_handler)
463      crash_handler = CreateCrashHandlerHost(process_type);
464    return crash_handler->GetDeathSignalSocket();
465  }
466
467  if (process_type == switches::kPluginProcess) {
468    static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
469    if (!crash_handler)
470      crash_handler = CreateCrashHandlerHost(process_type);
471    return crash_handler->GetDeathSignalSocket();
472  }
473
474  if (process_type == switches::kPpapiPluginProcess) {
475    static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
476    if (!crash_handler)
477      crash_handler = CreateCrashHandlerHost(process_type);
478    return crash_handler->GetDeathSignalSocket();
479  }
480
481  if (process_type == switches::kGpuProcess) {
482    static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
483    if (!crash_handler)
484      crash_handler = CreateCrashHandlerHost(process_type);
485    return crash_handler->GetDeathSignalSocket();
486  }
487
488  return -1;
489}
490#endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
491
492#if !defined(OS_CHROMEOS)
493GURL GetEffectiveURLForSignin(const GURL& url) {
494  CHECK(SigninManager::IsWebBasedSigninFlowURL(url));
495
496  GURL effective_url(SigninManager::kChromeSigninEffectiveSite);
497  // Copy the path because the argument to SetPathStr must outlive
498  // the Replacements object.
499  const std::string path_copy(url.path());
500  GURL::Replacements replacements;
501  replacements.SetPathStr(path_copy);
502  effective_url = effective_url.ReplaceComponents(replacements);
503  return effective_url;
504}
505#endif
506
507void SetApplicationLocaleOnIOThread(const std::string& locale) {
508  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
509  g_io_thread_application_locale.Get() = locale;
510}
511
512void HandleBlockedPopupOnUIThread(const BlockedWindowParams& params) {
513  WebContents* tab = tab_util::GetWebContentsByID(params.render_process_id(),
514                                                  params.opener_id());
515  if (!tab)
516    return;
517
518  prerender::PrerenderContents* prerender_contents =
519      prerender::PrerenderContents::FromWebContents(tab);
520  if (prerender_contents) {
521    prerender_contents->Destroy(prerender::FINAL_STATUS_CREATE_NEW_WINDOW);
522    return;
523  }
524
525  PopupBlockerTabHelper* popup_helper =
526      PopupBlockerTabHelper::FromWebContents(tab);
527  if (!popup_helper)
528    return;
529  popup_helper->AddBlockedPopup(params);
530}
531
532#if defined(OS_ANDROID)
533
534void HandleSingleTabModeBlockOnUIThread(const BlockedWindowParams& params) {
535  WebContents* web_contents =
536      tab_util::GetWebContentsByID(params.render_process_id(),
537                                   params.opener_id());
538  if (!web_contents)
539    return;
540
541  SingleTabModeTabHelper::FromWebContents(web_contents)->HandleOpenUrl(params);
542}
543
544float GetDeviceScaleAdjustment() {
545  static const float kMinFSM = 1.05f;
546  static const int kWidthForMinFSM = 320;
547  static const float kMaxFSM = 1.3f;
548  static const int kWidthForMaxFSM = 800;
549
550  gfx::DeviceDisplayInfo info;
551  int minWidth = info.GetSmallestDIPWidth();
552
553  if (minWidth <= kWidthForMinFSM)
554    return kMinFSM;
555  if (minWidth >= kWidthForMaxFSM)
556    return kMaxFSM;
557
558  // The font scale multiplier varies linearly between kMinFSM and kMaxFSM.
559  float ratio = static_cast<float>(minWidth - kWidthForMinFSM) /
560      (kWidthForMaxFSM - kWidthForMinFSM);
561  return ratio * (kMaxFSM - kMinFSM) + kMinFSM;
562}
563
564#endif  // defined(OS_ANDROID)
565
566#if defined(ENABLE_EXTENSIONS)
567// By default, JavaScript and images are enabled in guest content.
568void GetGuestViewDefaultContentSettingRules(
569    bool incognito,
570    RendererContentSettingRules* rules) {
571  rules->image_rules.push_back(
572      ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
573                                  ContentSettingsPattern::Wildcard(),
574                                  CONTENT_SETTING_ALLOW,
575                                  std::string(),
576                                  incognito));
577
578  rules->script_rules.push_back(
579      ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
580                                  ContentSettingsPattern::Wildcard(),
581                                  CONTENT_SETTING_ALLOW,
582                                  std::string(),
583                                  incognito));
584}
585#endif  // defined(ENALBE_EXTENSIONS)
586
587}  // namespace
588
589namespace chrome {
590
591ChromeContentBrowserClient::ChromeContentBrowserClient()
592    : prerender_tracker_(NULL),
593      weak_factory_(this) {
594#if defined(ENABLE_PLUGINS)
595  for (size_t i = 0; i < arraysize(kPredefinedAllowedDevChannelOrigins); ++i)
596    allowed_dev_channel_origins_.insert(kPredefinedAllowedDevChannelOrigins[i]);
597  for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
598    allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
599  for (size_t i = 0; i < arraysize(kPredefinedAllowedSocketOrigins); ++i)
600    allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
601#endif
602
603#if !defined(OS_ANDROID)
604  TtsExtensionEngine* tts_extension_engine = TtsExtensionEngine::GetInstance();
605  TtsController::GetInstance()->SetTtsEngineDelegate(tts_extension_engine);
606#endif
607
608#if defined(ENABLE_EXTENSIONS)
609  extra_parts_.push_back(new ChromeContentBrowserClientExtensionsPart);
610#endif
611}
612
613ChromeContentBrowserClient::~ChromeContentBrowserClient() {
614  for (int i = static_cast<int>(extra_parts_.size()) - 1; i >= 0; --i)
615    delete extra_parts_[i];
616  extra_parts_.clear();
617}
618
619// static
620void ChromeContentBrowserClient::RegisterProfilePrefs(
621    user_prefs::PrefRegistrySyncable* registry) {
622  registry->RegisterBooleanPref(
623      prefs::kDisable3DAPIs,
624      false,
625      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
626  registry->RegisterBooleanPref(
627      prefs::kEnableHyperlinkAuditing,
628      true,
629      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
630  registry->RegisterListPref(
631      prefs::kEnableDeprecatedWebPlatformFeatures,
632      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
633}
634
635// static
636void ChromeContentBrowserClient::SetApplicationLocale(
637    const std::string& locale) {
638  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
639
640  // This object is guaranteed to outlive all threads so we don't have to
641  // worry about the lack of refcounting and can just post as Unretained.
642  //
643  // The common case is that this function is called early in Chrome startup
644  // before any threads are created (it will also be called later if the user
645  // changes the pref). In this case, there will be no threads created and
646  // posting will fail. When there are no threads, we can just set the string
647  // without worrying about threadsafety.
648  if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
649          base::Bind(&SetApplicationLocaleOnIOThread, locale))) {
650    g_io_thread_application_locale.Get() = locale;
651  }
652}
653
654content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
655    const content::MainFunctionParams& parameters) {
656  ChromeBrowserMainParts* main_parts;
657  // Construct the Main browser parts based on the OS type.
658#if defined(OS_WIN)
659  main_parts = new ChromeBrowserMainPartsWin(parameters);
660#elif defined(OS_MACOSX)
661  main_parts = new ChromeBrowserMainPartsMac(parameters);
662#elif defined(OS_CHROMEOS)
663  main_parts = new chromeos::ChromeBrowserMainPartsChromeos(parameters);
664#elif defined(OS_LINUX)
665  main_parts = new ChromeBrowserMainPartsLinux(parameters);
666#elif defined(OS_ANDROID)
667  main_parts = new ChromeBrowserMainPartsAndroid(parameters);
668#elif defined(OS_POSIX)
669  main_parts = new ChromeBrowserMainPartsPosix(parameters);
670#else
671  NOTREACHED();
672  main_parts = new ChromeBrowserMainParts(parameters);
673#endif
674
675  chrome::AddProfilesExtraParts(main_parts);
676
677  // Construct additional browser parts. Stages are called in the order in
678  // which they are added.
679#if defined(TOOLKIT_VIEWS)
680  main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
681#endif
682
683#if defined(USE_ASH)
684  main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
685#endif
686
687#if defined(USE_AURA)
688  main_parts->AddParts(new ChromeBrowserMainExtraPartsAura());
689#endif
690
691#if defined(USE_X11)
692  main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
693#endif
694
695  chrome::AddMetricsExtraParts(main_parts);
696
697  return main_parts;
698}
699
700std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
701    content::BrowserContext* browser_context,
702    const GURL& site) {
703  std::string partition_id;
704
705  // The partition ID for webview guest processes is the string value of its
706  // SiteInstance URL - "chrome-guest://app_id/persist?partition".
707  if (site.SchemeIs(content::kGuestScheme)) {
708    partition_id = site.spec();
709  } else if (site.GetOrigin().spec() == kChromeUIChromeSigninURL) {
710    // Chrome signin page has an embedded iframe of extension and web content,
711    // thus it must be isolated from other webUI pages.
712    partition_id = site.GetOrigin().spec();
713  }
714
715  DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
716  return partition_id;
717}
718
719bool ChromeContentBrowserClient::IsValidStoragePartitionId(
720    content::BrowserContext* browser_context,
721    const std::string& partition_id) {
722  // The default ID is empty and is always valid.
723  if (partition_id.empty())
724    return true;
725
726  return GURL(partition_id).is_valid();
727}
728
729void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
730    content::BrowserContext* browser_context,
731    const GURL& site,
732    bool can_be_default,
733    std::string* partition_domain,
734    std::string* partition_name,
735    bool* in_memory) {
736  // Default to the browser-wide storage partition and override based on |site|
737  // below.
738  partition_domain->clear();
739  partition_name->clear();
740  *in_memory = false;
741
742  bool success = false;
743#if defined(ENABLE_EXTENSIONS)
744  success = extensions::WebViewGuest::GetGuestPartitionConfigForSite(
745      site, partition_domain, partition_name, in_memory);
746
747  if (!success && site.SchemeIs(extensions::kExtensionScheme)) {
748    // If |can_be_default| is false, the caller is stating that the |site|
749    // should be parsed as if it had isolated storage. In particular it is
750    // important to NOT check ExtensionService for the is_storage_isolated()
751    // attribute because this code path is run during Extension uninstall
752    // to do cleanup after the Extension has already been unloaded from the
753    // ExtensionService.
754    bool is_isolated = !can_be_default;
755    if (can_be_default) {
756      if (extensions::util::SiteHasIsolatedStorage(site, browser_context))
757        is_isolated = true;
758    }
759
760    if (is_isolated) {
761      CHECK(site.has_host());
762      // For extensions with isolated storage, the the host of the |site| is
763      // the |partition_domain|. The |in_memory| and |partition_name| are only
764      // used in guest schemes so they are cleared here.
765      *partition_domain = site.host();
766      *in_memory = false;
767      partition_name->clear();
768    }
769    success = true;
770  }
771#endif
772
773  if (!success && (site.GetOrigin().spec() == kChromeUIChromeSigninURL)) {
774    // Chrome signin page has an embedded iframe of extension and web content,
775    // thus it must be isolated from other webUI pages.
776    *partition_domain = chrome::kChromeUIChromeSigninHost;
777  }
778
779  // Assert that if |can_be_default| is false, the code above must have found a
780  // non-default partition.  If this fails, the caller has a serious logic
781  // error about which StoragePartition they expect to be in and it is not
782  // safe to continue.
783  CHECK(can_be_default || !partition_domain->empty());
784}
785
786content::WebContentsViewDelegate*
787    ChromeContentBrowserClient::GetWebContentsViewDelegate(
788        content::WebContents* web_contents) {
789  return chrome::CreateWebContentsViewDelegate(web_contents);
790}
791
792void ChromeContentBrowserClient::RenderProcessWillLaunch(
793    content::RenderProcessHost* host) {
794  int id = host->GetID();
795  Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
796  net::URLRequestContextGetter* context =
797      profile->GetRequestContextForRenderProcess(id);
798
799  host->AddFilter(new ChromeRenderMessageFilter(id, profile));
800#if defined(ENABLE_PLUGINS)
801  host->AddFilter(new PluginInfoMessageFilter(id, profile));
802#endif
803  host->AddFilter(new cast::CastTransportHostFilter);
804#if defined(ENABLE_PRINTING)
805  host->AddFilter(new PrintingMessageFilter(id, profile));
806#endif
807  host->AddFilter(new SearchProviderInstallStateMessageFilter(id, profile));
808#if defined(ENABLE_SPELLCHECK)
809  host->AddFilter(new SpellCheckMessageFilter(id));
810#endif
811#if defined(OS_MACOSX)
812  host->AddFilter(new SpellCheckMessageFilterMac(id));
813#endif
814  host->AddFilter(new ChromeNetBenchmarkingMessageFilter(profile, context));
815  host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
816  host->AddFilter(new TtsMessageFilter(id, host->GetBrowserContext()));
817#if defined(ENABLE_WEBRTC)
818  WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
819      new WebRtcLoggingHandlerHost(profile);
820  host->SetWebRtcLogMessageCallback(base::Bind(
821      &WebRtcLoggingHandlerHost::LogMessage, webrtc_logging_handler_host));
822  host->AddFilter(webrtc_logging_handler_host);
823  host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
824      webrtc_logging_handler_host));
825#endif
826#if !defined(DISABLE_NACL)
827  host->AddFilter(new nacl::NaClHostMessageFilter(
828      id, profile->IsOffTheRecord(),
829      profile->GetPath(),
830      context));
831#endif
832#if defined(OS_ANDROID)
833  host->AddFilter(new cdm::CdmMessageFilterAndroid());
834#endif
835  if (switches::IsEnableAccountConsistency())
836    host->AddFilter(new PrincipalsMessageFilter(id));
837
838  host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
839      profile->IsOffTheRecord()));
840
841  for (size_t i = 0; i < extra_parts_.size(); ++i)
842    extra_parts_[i]->RenderProcessWillLaunch(host);
843
844  RendererContentSettingRules rules;
845  if (host->IsIsolatedGuest()) {
846#if defined(ENABLE_EXTENSIONS)
847    GetGuestViewDefaultContentSettingRules(profile->IsOffTheRecord(), &rules);
848#else
849    NOTREACHED();
850#endif
851  } else {
852    GetRendererContentSettingRules(
853        profile->GetHostContentSettingsMap(), &rules);
854  }
855  host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
856}
857
858GURL ChromeContentBrowserClient::GetEffectiveURL(
859    content::BrowserContext* browser_context, const GURL& url) {
860  Profile* profile = Profile::FromBrowserContext(browser_context);
861  if (!profile)
862    return url;
863
864  // If the input |url| should be assigned to the Instant renderer, make its
865  // effective URL distinct from other URLs on the search provider's domain.
866  if (chrome::ShouldAssignURLToInstantRenderer(url, profile))
867    return chrome::GetEffectiveURLForInstant(url, profile);
868
869#if !defined(OS_CHROMEOS)
870  // If the input |url| should be assigned to the Signin renderer, make its
871  // effective URL distinct from other URLs on the signin service's domain.
872  // Note that the signin renderer will be allowed to sign the user in to
873  // Chrome.
874  if (SigninManager::IsWebBasedSigninFlowURL(url))
875    return GetEffectiveURLForSignin(url);
876#endif
877
878#if defined(ENABLE_EXTENSIONS)
879  return ChromeContentBrowserClientExtensionsPart::GetEffectiveURL(
880      profile, url);
881#else
882  return url;
883#endif
884}
885
886bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
887    content::BrowserContext* browser_context, const GURL& effective_url) {
888  // Non-extension, non-Instant URLs should generally use
889  // process-per-site-instance.  Because we expect to use the effective URL,
890  // URLs for hosted apps (apart from bookmark apps) should have an extension
891  // scheme by now.
892
893  Profile* profile = Profile::FromBrowserContext(browser_context);
894  if (!profile)
895    return false;
896
897  if (chrome::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
898    return true;
899
900#if !defined(OS_CHROMEOS)
901  if (SigninManager::IsWebBasedSigninFlowURL(effective_url))
902    return true;
903#endif
904
905#if defined(ENABLE_EXTENSIONS)
906  return ChromeContentBrowserClientExtensionsPart::ShouldUseProcessPerSite(
907      profile, effective_url);
908#else
909  return false;
910#endif
911}
912
913// These are treated as WebUI schemes but do not get WebUI bindings. Also,
914// view-source is allowed for these schemes.
915void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
916    std::vector<std::string>* additional_schemes) {
917  additional_schemes->push_back(chrome::kChromeSearchScheme);
918  additional_schemes->push_back(dom_distiller::kDomDistillerScheme);
919}
920
921void ChromeContentBrowserClient::GetAdditionalWebUIHostsToIgnoreParititionCheck(
922    std::vector<std::string>* hosts) {
923  hosts->push_back(chrome::kChromeUIExtensionIconHost);
924  hosts->push_back(chrome::kChromeUIFaviconHost);
925  hosts->push_back(chrome::kChromeUIThemeHost);
926  hosts->push_back(chrome::kChromeUIThumbnailHost);
927  hosts->push_back(chrome::kChromeUIThumbnailHost2);
928  hosts->push_back(chrome::kChromeUIThumbnailListHost);
929}
930
931net::URLRequestContextGetter*
932ChromeContentBrowserClient::CreateRequestContext(
933    content::BrowserContext* browser_context,
934    content::ProtocolHandlerMap* protocol_handlers,
935    content::URLRequestInterceptorScopedVector request_interceptors) {
936  Profile* profile = Profile::FromBrowserContext(browser_context);
937  return profile->CreateRequestContext(protocol_handlers,
938                                       request_interceptors.Pass());
939}
940
941net::URLRequestContextGetter*
942ChromeContentBrowserClient::CreateRequestContextForStoragePartition(
943    content::BrowserContext* browser_context,
944    const base::FilePath& partition_path,
945    bool in_memory,
946    content::ProtocolHandlerMap* protocol_handlers,
947    content::URLRequestInterceptorScopedVector request_interceptors) {
948  Profile* profile = Profile::FromBrowserContext(browser_context);
949  return profile->CreateRequestContextForStoragePartition(
950      partition_path,
951      in_memory,
952      protocol_handlers,
953      request_interceptors.Pass());
954}
955
956bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
957  return ProfileIOData::IsHandledURL(url);
958}
959
960bool ChromeContentBrowserClient::CanCommitURL(
961    content::RenderProcessHost* process_host,
962    const GURL& url) {
963#if defined(ENABLE_EXTENSIONS)
964  return ChromeContentBrowserClientExtensionsPart::CanCommitURL(
965      process_host, url);
966#else
967  return true;
968#endif
969}
970
971bool ChromeContentBrowserClient::ShouldAllowOpenURL(
972    content::SiteInstance* site_instance, const GURL& url) {
973  GURL from_url = site_instance->GetSiteURL();
974
975#if defined(ENABLE_EXTENSIONS)
976  bool result;
977  if (ChromeContentBrowserClientExtensionsPart::ShouldAllowOpenURL(
978      site_instance, from_url, url, &result))
979    return result;
980#endif
981
982  // Do not allow chrome://chrome-signin navigate to other chrome:// URLs, since
983  // the signin page may host untrusted web content.
984  if (from_url.GetOrigin().spec() == chrome::kChromeUIChromeSigninURL &&
985      url.SchemeIs(content::kChromeUIScheme) &&
986      url.host() != chrome::kChromeUIChromeSigninHost) {
987    VLOG(1) << "Blocked navigation to " << url.spec() << " from "
988            << chrome::kChromeUIChromeSigninURL;
989    return false;
990  }
991
992  return true;
993}
994
995bool ChromeContentBrowserClient::IsSuitableHost(
996    content::RenderProcessHost* process_host,
997    const GURL& site_url) {
998  Profile* profile =
999      Profile::FromBrowserContext(process_host->GetBrowserContext());
1000  // This may be NULL during tests. In that case, just assume any site can
1001  // share any host.
1002  if (!profile)
1003    return true;
1004
1005  // Instant URLs should only be in the instant process and instant process
1006  // should only have Instant URLs.
1007  InstantService* instant_service =
1008      InstantServiceFactory::GetForProfile(profile);
1009  if (instant_service) {
1010    bool is_instant_process = instant_service->IsInstantProcess(
1011        process_host->GetID());
1012    bool should_be_in_instant_process =
1013        chrome::ShouldAssignURLToInstantRenderer(site_url, profile);
1014    if (is_instant_process || should_be_in_instant_process)
1015      return is_instant_process && should_be_in_instant_process;
1016  }
1017
1018#if !defined(OS_CHROMEOS)
1019  SigninClient* signin_client =
1020      ChromeSigninClientFactory::GetForProfile(profile);
1021  if (signin_client && signin_client->IsSigninProcess(process_host->GetID()))
1022    return SigninManager::IsWebBasedSigninFlowURL(site_url);
1023#endif
1024
1025#if defined(ENABLE_EXTENSIONS)
1026  return ChromeContentBrowserClientExtensionsPart::IsSuitableHost(
1027      profile, process_host, site_url);
1028#else
1029  return true;
1030#endif
1031}
1032
1033bool ChromeContentBrowserClient::MayReuseHost(
1034    content::RenderProcessHost* process_host) {
1035  // If there is currently a prerender in progress for the host provided,
1036  // it may not be shared. We require prerenders to be by themselves in a
1037  // separate process, so that we can monitor their resource usage, and so that
1038  // we can track the cookies that they change.
1039  Profile* profile = Profile::FromBrowserContext(
1040      process_host->GetBrowserContext());
1041  prerender::PrerenderManager* prerender_manager =
1042      prerender::PrerenderManagerFactory::GetForProfile(profile);
1043  if (prerender_manager &&
1044      !prerender_manager->MayReuseProcessHost(process_host)) {
1045    return false;
1046  }
1047
1048  return true;
1049}
1050
1051bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
1052    content::BrowserContext* browser_context, const GURL& url) {
1053  // It has to be a valid URL for us to check for an extension.
1054  if (!url.is_valid())
1055    return false;
1056
1057#if defined(ENABLE_EXTENSIONS)
1058  Profile* profile = Profile::FromBrowserContext(browser_context);
1059  return ChromeContentBrowserClientExtensionsPart::
1060      ShouldTryToUseExistingProcessHost(
1061          profile, url);
1062#else
1063  return false;
1064#endif
1065}
1066
1067void ChromeContentBrowserClient::SiteInstanceGotProcess(
1068    SiteInstance* site_instance) {
1069  CHECK(site_instance->HasProcess());
1070
1071  Profile* profile = Profile::FromBrowserContext(
1072      site_instance->GetBrowserContext());
1073  if (!profile)
1074    return;
1075
1076  // Remember the ID of the Instant process to signal the renderer process
1077  // on startup in |AppendExtraCommandLineSwitches| below.
1078  if (chrome::ShouldAssignURLToInstantRenderer(
1079          site_instance->GetSiteURL(), profile)) {
1080    InstantService* instant_service =
1081        InstantServiceFactory::GetForProfile(profile);
1082    if (instant_service)
1083      instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
1084  }
1085
1086#if !defined(OS_CHROMEOS)
1087  // We only expect there to be one signin process as we use process-per-site
1088  // for signin URLs. The signin process will be cleared from SigninManager
1089  // when the renderer is destroyed.
1090  if (SigninManager::IsWebBasedSigninFlowURL(site_instance->GetSiteURL())) {
1091    SigninClient* signin_client =
1092        ChromeSigninClientFactory::GetForProfile(profile);
1093    if (signin_client)
1094      signin_client->SetSigninProcess(site_instance->GetProcess()->GetID());
1095#if defined(ENABLE_EXTENSIONS)
1096    ChromeContentBrowserClientExtensionsPart::SetSigninProcess(site_instance);
1097#endif
1098  }
1099#endif
1100
1101  for (size_t i = 0; i < extra_parts_.size(); ++i)
1102    extra_parts_[i]->SiteInstanceGotProcess(site_instance);
1103}
1104
1105void ChromeContentBrowserClient::SiteInstanceDeleting(
1106    SiteInstance* site_instance) {
1107  if (!site_instance->HasProcess())
1108    return;
1109
1110  for (size_t i = 0; i < extra_parts_.size(); ++i)
1111    extra_parts_[i]->SiteInstanceDeleting(site_instance);
1112}
1113
1114void ChromeContentBrowserClient::WorkerProcessCreated(
1115    SiteInstance* site_instance,
1116    int worker_process_id) {
1117  for (size_t i = 0; i < extra_parts_.size(); ++i)
1118    extra_parts_[i]->WorkerProcessCreated(site_instance, worker_process_id);
1119}
1120
1121void ChromeContentBrowserClient::WorkerProcessTerminated(
1122    SiteInstance* site_instance,
1123    int worker_process_id) {
1124  for (size_t i = 0; i < extra_parts_.size(); ++i)
1125    extra_parts_[i]->WorkerProcessTerminated(site_instance, worker_process_id);
1126}
1127
1128bool ChromeContentBrowserClient::ShouldSwapBrowsingInstancesForNavigation(
1129    SiteInstance* site_instance,
1130    const GURL& current_url,
1131    const GURL& new_url) {
1132#if defined(ENABLE_EXTENSIONS)
1133  return ChromeContentBrowserClientExtensionsPart::
1134      ShouldSwapBrowsingInstancesForNavigation(
1135          site_instance, current_url, new_url);
1136#else
1137  return false;
1138#endif
1139}
1140
1141bool ChromeContentBrowserClient::ShouldSwapProcessesForRedirect(
1142    content::ResourceContext* resource_context, const GURL& current_url,
1143    const GURL& new_url) {
1144#if defined(ENABLE_EXTENSIONS)
1145  return ChromeContentBrowserClientExtensionsPart::
1146      ShouldSwapProcessesForRedirect(resource_context, current_url, new_url);
1147#else
1148  return false;
1149#endif
1150}
1151
1152bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
1153  return !url.SchemeIs(chrome::kChromeNativeScheme);
1154}
1155
1156std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
1157    const std::string& alias_name) {
1158  return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
1159}
1160
1161namespace {
1162
1163bool IsAutoReloadEnabled() {
1164  // Fetch the field trial, even though we don't use it. Calling FindFullName()
1165  // causes the field-trial mechanism to report which group we're in, which
1166  // might reflect a hard disable or hard enable via flag, both of which have
1167  // their own field trial groups. This lets us know what percentage of users
1168  // manually enable or disable auto-reload.
1169  std::string group = base::FieldTrialList::FindFullName(
1170      "AutoReloadExperiment");
1171  const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1172  if (browser_command_line.HasSwitch(switches::kEnableOfflineAutoReload))
1173    return true;
1174  if (browser_command_line.HasSwitch(switches::kDisableOfflineAutoReload))
1175    return false;
1176  return true;
1177}
1178
1179bool IsAutoReloadVisibleOnlyEnabled() {
1180  // See the block comment in IsAutoReloadEnabled().
1181  std::string group = base::FieldTrialList::FindFullName(
1182      "AutoReloadVisibleOnlyExperiment");
1183  const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1184  if (browser_command_line.HasSwitch(
1185      switches::kEnableOfflineAutoReloadVisibleOnly)) {
1186    return true;
1187  }
1188  if (browser_command_line.HasSwitch(
1189      switches::kDisableOfflineAutoReloadVisibleOnly)) {
1190    return false;
1191  }
1192  return true;
1193}
1194
1195}  // namespace
1196
1197void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
1198    CommandLine* command_line, int child_process_id) {
1199#if defined(OS_POSIX)
1200  if (breakpad::IsCrashReporterEnabled()) {
1201    scoped_ptr<metrics::ClientInfo> client_info =
1202        GoogleUpdateSettings::LoadMetricsClientInfo();
1203    command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1204                                    client_info ? client_info->client_id
1205                                                : std::string());
1206  }
1207#endif  // defined(OS_POSIX)
1208
1209  if (logging::DialogsAreSuppressed())
1210    command_line->AppendSwitch(switches::kNoErrorDialogs);
1211
1212  std::string process_type =
1213      command_line->GetSwitchValueASCII(switches::kProcessType);
1214  const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1215
1216  static const char* const kCommonSwitchNames[] = {
1217    switches::kUserAgent,
1218    switches::kUserDataDir,  // Make logs go to the right file.
1219  };
1220  command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
1221                                 arraysize(kCommonSwitchNames));
1222
1223#if defined(ENABLE_IPC_FUZZER)
1224  static const char* const kIpcFuzzerSwitches[] = {
1225    switches::kIpcFuzzerTestcase,
1226  };
1227  command_line->CopySwitchesFrom(browser_command_line, kIpcFuzzerSwitches,
1228                                 arraysize(kIpcFuzzerSwitches));
1229#endif
1230
1231#if defined(OS_CHROMEOS)
1232  // On Chrome OS need to pass primary user homedir (in multi-profiles session).
1233  base::FilePath homedir;
1234  PathService::Get(base::DIR_HOME, &homedir);
1235  command_line->AppendSwitchASCII(chromeos::switches::kHomedir,
1236                                  homedir.value().c_str());
1237#endif
1238
1239  if (process_type == switches::kRendererProcess) {
1240    content::RenderProcessHost* process =
1241        content::RenderProcessHost::FromID(child_process_id);
1242    Profile* profile =
1243        process ? Profile::FromBrowserContext(process->GetBrowserContext())
1244                : NULL;
1245    for (size_t i = 0; i < extra_parts_.size(); ++i) {
1246      extra_parts_[i]->AppendExtraRendererCommandLineSwitches(
1247          command_line, process, profile);
1248    }
1249
1250#if defined(OS_CHROMEOS)
1251    const std::string& login_profile =
1252        browser_command_line.GetSwitchValueASCII(
1253            chromeos::switches::kLoginProfile);
1254    if (!login_profile.empty())
1255      command_line->AppendSwitchASCII(
1256          chromeos::switches::kLoginProfile, login_profile);
1257#endif
1258
1259#if defined(ENABLE_WEBRTC)
1260    MaybeCopyDisableWebRtcEncryptionSwitch(command_line,
1261                                           browser_command_line,
1262                                           VersionInfo::GetChannel());
1263#endif
1264
1265    if (process) {
1266      PrefService* prefs = profile->GetPrefs();
1267      // Currently this pref is only registered if applied via a policy.
1268      if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
1269          prefs->GetBoolean(prefs::kDisable3DAPIs)) {
1270        // Turn this policy into a command line switch.
1271        command_line->AppendSwitch(switches::kDisable3DAPIs);
1272      }
1273
1274      const base::ListValue* switches =
1275          prefs->GetList(prefs::kEnableDeprecatedWebPlatformFeatures);
1276      if (switches) {
1277        // Enable any deprecated features that have been re-enabled by policy.
1278        for (base::ListValue::const_iterator it = switches->begin();
1279             it != switches->end(); ++it) {
1280          std::string switch_to_enable;
1281          if ((*it)->GetAsString(&switch_to_enable))
1282            command_line->AppendSwitch(switch_to_enable);
1283        }
1284      }
1285
1286      // Disable client-side phishing detection in the renderer if it is
1287      // disabled in the Profile preferences or the browser process.
1288      if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
1289          !g_browser_process->safe_browsing_detection_service()) {
1290        command_line->AppendSwitch(
1291            switches::kDisableClientSidePhishingDetection);
1292      }
1293
1294      if (!prefs->GetBoolean(prefs::kPrintPreviewDisabled))
1295        command_line->AppendSwitch(switches::kRendererPrintPreview);
1296
1297      InstantService* instant_service =
1298          InstantServiceFactory::GetForProfile(profile);
1299      if (instant_service &&
1300          instant_service->IsInstantProcess(process->GetID()))
1301        command_line->AppendSwitch(switches::kInstantProcess);
1302
1303#if !defined(OS_CHROMEOS)
1304      SigninClient* signin_client =
1305          ChromeSigninClientFactory::GetForProfile(profile);
1306      if (signin_client && signin_client->IsSigninProcess(process->GetID()))
1307        command_line->AppendSwitch(switches::kSigninProcess);
1308#endif
1309    }
1310
1311    if (IsAutoReloadEnabled())
1312      command_line->AppendSwitch(switches::kEnableOfflineAutoReload);
1313    if (IsAutoReloadVisibleOnlyEnabled()) {
1314      command_line->AppendSwitch(
1315          switches::kEnableOfflineAutoReloadVisibleOnly);
1316    }
1317
1318    {
1319      // Enable load stale cache if this session is in the field trial or
1320      // the user explicitly enabled it.  Note that as far as the renderer
1321      // is concerned, the feature is enabled if-and-only-if the
1322      // kEnableOfflineLoadStaleCache flag is on the command line;
1323      // the yes/no/default behavior is only at the browser command line
1324      // level.
1325
1326      // Command line switches override
1327      if (browser_command_line.HasSwitch(
1328              switches::kEnableOfflineLoadStaleCache)) {
1329        command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1330      } else if (!browser_command_line.HasSwitch(
1331          switches::kDisableOfflineLoadStaleCache)) {
1332        std::string group =
1333            base::FieldTrialList::FindFullName("LoadStaleCacheExperiment");
1334
1335        if (group == "Enabled")
1336          command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1337      }
1338    }
1339
1340    // Please keep this in alphabetical order.
1341    static const char* const kSwitchNames[] = {
1342      autofill::switches::kDisableIgnoreAutocompleteOff,
1343      autofill::switches::kDisablePasswordGeneration,
1344      autofill::switches::kEnablePasswordGeneration,
1345      autofill::switches::kLocalHeuristicsOnlyForPasswordGeneration,
1346      extensions::switches::kAllowHTTPBackgroundPage,
1347      extensions::switches::kAllowLegacyExtensionManifests,
1348      extensions::switches::kEnableEmbeddedExtensionOptions,
1349      extensions::switches::kEnableExperimentalExtensionApis,
1350      extensions::switches::kEnableScriptsRequireAction,
1351      extensions::switches::kExtensionsOnChromeURLs,
1352      extensions::switches::kWhitelistedExtensionID,
1353      switches::kAppsCheckoutURL,
1354      switches::kAppsGalleryURL,
1355      switches::kCloudPrintURL,
1356      switches::kCloudPrintXmppEndpoint,
1357      switches::kDisableBundledPpapiFlash,
1358      switches::kDisableScriptedPrintThrottling,
1359      switches::kEnableAppView,
1360      switches::kEnableAppWindowControls,
1361      switches::kEnableBenchmarking,
1362      switches::kEnableNaCl,
1363#if !defined(DISABLE_NACL)
1364      switches::kEnableNaClDebug,
1365      switches::kEnableNaClNonSfiMode,
1366#endif
1367      switches::kEnableNetBenchmarking,
1368      switches::kEnableShowModalDialog,
1369      switches::kEnableStreamlinedHostedApps,
1370      switches::kEnableWebBasedSignin,
1371      switches::kMessageLoopHistogrammer,
1372      switches::kOutOfProcessPdf,
1373      switches::kPlaybackMode,
1374      switches::kPpapiFlashArgs,
1375      switches::kPpapiFlashPath,
1376      switches::kPpapiFlashVersion,
1377      switches::kProfilingAtStart,
1378      switches::kProfilingFile,
1379      switches::kProfilingFlush,
1380      switches::kRecordMode,
1381      translate::switches::kTranslateSecurityOrigin,
1382    };
1383
1384    command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1385                                   arraysize(kSwitchNames));
1386  } else if (process_type == switches::kUtilityProcess) {
1387    static const char* const kSwitchNames[] = {
1388      extensions::switches::kAllowHTTPBackgroundPage,
1389      extensions::switches::kEnableExperimentalExtensionApis,
1390      extensions::switches::kExtensionsOnChromeURLs,
1391      extensions::switches::kWhitelistedExtensionID,
1392    };
1393
1394    command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1395                                   arraysize(kSwitchNames));
1396  } else if (process_type == switches::kPluginProcess) {
1397#if defined(OS_CHROMEOS)
1398    static const char* const kSwitchNames[] = {
1399      chromeos::switches::kLoginProfile,
1400    };
1401
1402    command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1403                                   arraysize(kSwitchNames));
1404#endif
1405  } else if (process_type == switches::kZygoteProcess) {
1406    static const char* const kSwitchNames[] = {
1407      // Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
1408      switches::kDisableBundledPpapiFlash,
1409#if !defined(DISABLE_NACL)
1410      switches::kEnableNaClNonSfiMode,
1411      switches::kNaClDangerousNoSandboxNonSfi,
1412#endif
1413      switches::kPpapiFlashPath,
1414      switches::kPpapiFlashVersion,
1415    };
1416
1417    command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1418                                   arraysize(kSwitchNames));
1419  } else if (process_type == switches::kGpuProcess) {
1420    // If --ignore-gpu-blacklist is passed in, don't send in crash reports
1421    // because GPU is expected to be unreliable.
1422    if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
1423        !command_line->HasSwitch(switches::kDisableBreakpad))
1424      command_line->AppendSwitch(switches::kDisableBreakpad);
1425  }
1426
1427  // The command line switch kEnableBenchmarking needs to be specified along
1428  // with the kEnableStatsTable switch to ensure that the stats table global
1429  // is initialized correctly.
1430  if (command_line->HasSwitch(switches::kEnableBenchmarking))
1431    DCHECK(command_line->HasSwitch(switches::kEnableStatsTable));
1432}
1433
1434std::string ChromeContentBrowserClient::GetApplicationLocale() {
1435  if (BrowserThread::CurrentlyOn(BrowserThread::IO))
1436    return g_io_thread_application_locale.Get();
1437  return g_browser_process->GetApplicationLocale();
1438}
1439
1440std::string ChromeContentBrowserClient::GetAcceptLangs(
1441    content::BrowserContext* context) {
1442  Profile* profile = Profile::FromBrowserContext(context);
1443  return profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
1444}
1445
1446const gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
1447  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
1448  return rb.GetNativeImageNamed(IDR_DEFAULT_FAVICON).ToImageSkia();
1449}
1450
1451bool ChromeContentBrowserClient::AllowAppCache(
1452    const GURL& manifest_url,
1453    const GURL& first_party,
1454    content::ResourceContext* context) {
1455  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1456  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1457  return io_data->GetCookieSettings()->
1458      IsSettingCookieAllowed(manifest_url, first_party);
1459}
1460
1461bool ChromeContentBrowserClient::AllowGetCookie(
1462    const GURL& url,
1463    const GURL& first_party,
1464    const net::CookieList& cookie_list,
1465    content::ResourceContext* context,
1466    int render_process_id,
1467    int render_frame_id) {
1468  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1469  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1470  bool allow = io_data->GetCookieSettings()->
1471      IsReadingCookieAllowed(url, first_party);
1472
1473  BrowserThread::PostTask(
1474      BrowserThread::UI, FROM_HERE,
1475      base::Bind(&TabSpecificContentSettings::CookiesRead, render_process_id,
1476                 render_frame_id, url, first_party, cookie_list, !allow, true));
1477  return allow;
1478}
1479
1480bool ChromeContentBrowserClient::AllowSetCookie(
1481    const GURL& url,
1482    const GURL& first_party,
1483    const std::string& cookie_line,
1484    content::ResourceContext* context,
1485    int render_process_id,
1486    int render_frame_id,
1487    net::CookieOptions* options) {
1488  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1489  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1490  CookieSettings* cookie_settings = io_data->GetCookieSettings();
1491  bool allow = cookie_settings->IsSettingCookieAllowed(url, first_party);
1492
1493  if (prerender_tracker_) {
1494    prerender_tracker_->OnCookieChangedForURL(
1495        render_process_id,
1496        context->GetRequestContext()->cookie_store()->GetCookieMonster(),
1497        url);
1498  }
1499
1500  BrowserThread::PostTask(
1501      BrowserThread::UI, FROM_HERE,
1502      base::Bind(&TabSpecificContentSettings::CookieChanged, render_process_id,
1503                 render_frame_id, url, first_party, cookie_line, *options,
1504                 !allow));
1505  return allow;
1506}
1507
1508bool ChromeContentBrowserClient::AllowSaveLocalState(
1509    content::ResourceContext* context) {
1510  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1511  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1512  CookieSettings* cookie_settings = io_data->GetCookieSettings();
1513  ContentSetting setting = cookie_settings->GetDefaultCookieSetting(NULL);
1514
1515  // TODO(bauerb): Should we also disallow local state if the default is BLOCK?
1516  // Could we even support per-origin settings?
1517  return setting != CONTENT_SETTING_SESSION_ONLY;
1518}
1519
1520bool ChromeContentBrowserClient::AllowWorkerDatabase(
1521    const GURL& url,
1522    const base::string16& name,
1523    const base::string16& display_name,
1524    unsigned long estimated_size,
1525    content::ResourceContext* context,
1526    const std::vector<std::pair<int, int> >& render_frames) {
1527  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1528  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1529  CookieSettings* cookie_settings = io_data->GetCookieSettings();
1530  bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1531
1532  // Record access to database for potential display in UI.
1533  std::vector<std::pair<int, int> >::const_iterator i;
1534  for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1535    BrowserThread::PostTask(
1536        BrowserThread::UI, FROM_HERE,
1537        base::Bind(&TabSpecificContentSettings::WebDatabaseAccessed,
1538                   i->first, i->second, url, name, display_name, !allow));
1539  }
1540
1541  return allow;
1542}
1543
1544void ChromeContentBrowserClient::AllowWorkerFileSystem(
1545    const GURL& url,
1546    content::ResourceContext* context,
1547    const std::vector<std::pair<int, int> >& render_frames,
1548    base::Callback<void(bool)> callback) {
1549  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1550  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1551  CookieSettings* cookie_settings = io_data->GetCookieSettings();
1552  bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1553
1554#if defined(ENABLE_EXTENSIONS)
1555  GuestPermissionRequestHelper(url, render_frames, callback, allow);
1556#else
1557  FileSystemAccessed(url, render_frames, callback, allow);
1558#endif
1559}
1560
1561#if defined(ENABLE_EXTENSIONS)
1562void ChromeContentBrowserClient::GuestPermissionRequestHelper(
1563    const GURL& url,
1564    const std::vector<std::pair<int, int> >& render_frames,
1565    base::Callback<void(bool)> callback,
1566    bool allow) {
1567  DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::IO));
1568  std::vector<std::pair<int, int> >::const_iterator i;
1569  std::map<int, int> process_map;
1570  std::map<int, int>::const_iterator it;
1571  bool has_web_view_guest = false;
1572  // Record access to file system for potential display in UI.
1573  for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1574    if (process_map.find(i->first) != process_map.end())
1575      continue;
1576
1577    process_map.insert(std::pair<int, int>(i->first, i->second));
1578
1579    if (extensions::WebViewRendererState::GetInstance()->IsGuest(i->first))
1580      has_web_view_guest = true;
1581  }
1582  if (!has_web_view_guest) {
1583    FileSystemAccessed(url, render_frames, callback, allow);
1584    return;
1585  }
1586  DCHECK_EQ(1U, process_map.size());
1587  it = process_map.begin();
1588  BrowserThread::PostTask(
1589      BrowserThread::UI,
1590      FROM_HERE,
1591      base::Bind(&ChromeContentBrowserClient::
1592                  RequestFileSystemPermissionOnUIThread,
1593                  it->first,
1594                  it->second,
1595                  url,
1596                  allow,
1597                  base::Bind(&ChromeContentBrowserClient::FileSystemAccessed,
1598                            weak_factory_.GetWeakPtr(),
1599                            url,
1600                            render_frames,
1601                            callback)));
1602}
1603
1604void ChromeContentBrowserClient::RequestFileSystemPermissionOnUIThread(
1605    int render_process_id,
1606    int render_frame_id,
1607    const GURL& url,
1608    bool allowed_by_default,
1609    const base::Callback<void(bool)>& callback) {
1610  DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::UI));
1611  extensions::WebViewPermissionHelper* web_view_permission_helper =
1612      extensions::WebViewPermissionHelper::FromFrameID(
1613          render_process_id, render_frame_id);
1614  web_view_permission_helper->RequestFileSystemPermission(url,
1615                                                          allowed_by_default,
1616                                                          callback);
1617}
1618#endif
1619
1620void ChromeContentBrowserClient::FileSystemAccessed(
1621    const GURL& url,
1622    const std::vector<std::pair<int, int> >& render_frames,
1623    base::Callback<void(bool)> callback,
1624    bool allow) {
1625  // Record access to file system for potential display in UI.
1626  std::vector<std::pair<int, int> >::const_iterator i;
1627  for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1628    BrowserThread::PostTask(
1629        BrowserThread::UI,
1630        FROM_HERE,
1631        base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
1632                   i->first, i->second, url, !allow));
1633  }
1634  callback.Run(allow);
1635}
1636
1637bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
1638    const GURL& url,
1639    const base::string16& name,
1640    content::ResourceContext* context,
1641    const std::vector<std::pair<int, int> >& render_frames) {
1642  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1643  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1644  CookieSettings* cookie_settings = io_data->GetCookieSettings();
1645  bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1646
1647  // Record access to IndexedDB for potential display in UI.
1648  std::vector<std::pair<int, int> >::const_iterator i;
1649  for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1650    BrowserThread::PostTask(
1651        BrowserThread::UI, FROM_HERE,
1652        base::Bind(&TabSpecificContentSettings::IndexedDBAccessed,
1653                   i->first, i->second, url, name, !allow));
1654  }
1655
1656  return allow;
1657}
1658
1659net::URLRequestContext*
1660ChromeContentBrowserClient::OverrideRequestContextForURL(
1661    const GURL& url, content::ResourceContext* context) {
1662  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1663#if defined(ENABLE_EXTENSIONS)
1664  if (url.SchemeIs(extensions::kExtensionScheme)) {
1665    ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1666    return io_data->extensions_request_context();
1667  }
1668#endif
1669
1670  return NULL;
1671}
1672
1673QuotaPermissionContext*
1674ChromeContentBrowserClient::CreateQuotaPermissionContext() {
1675  return new ChromeQuotaPermissionContext();
1676}
1677
1678void ChromeContentBrowserClient::AllowCertificateError(
1679    int render_process_id,
1680    int render_frame_id,
1681    int cert_error,
1682    const net::SSLInfo& ssl_info,
1683    const GURL& request_url,
1684    ResourceType resource_type,
1685    bool overridable,
1686    bool strict_enforcement,
1687    bool expired_previous_decision,
1688    const base::Callback<void(bool)>& callback,
1689    content::CertificateRequestResultType* result) {
1690  if (resource_type != content::RESOURCE_TYPE_MAIN_FRAME) {
1691    // A sub-resource has a certificate error.  The user doesn't really
1692    // have a context for making the right decision, so block the
1693    // request hard, without an info bar to allow showing the insecure
1694    // content.
1695    *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
1696    return;
1697  }
1698
1699  // If the tab is being prerendered, cancel the prerender and the request.
1700  content::RenderFrameHost* render_frame_host =
1701      content::RenderFrameHost::FromID(render_process_id, render_frame_id);
1702  WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
1703  if (!tab) {
1704    NOTREACHED();
1705    return;
1706  }
1707
1708  prerender::PrerenderContents* prerender_contents =
1709      prerender::PrerenderContents::FromWebContents(tab);
1710  if (prerender_contents) {
1711    prerender_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
1712    *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
1713    return;
1714  }
1715
1716#if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
1717  CaptivePortalTabHelper* captive_portal_tab_helper =
1718      CaptivePortalTabHelper::FromWebContents(tab);
1719  if (captive_portal_tab_helper)
1720    captive_portal_tab_helper->OnSSLCertError(ssl_info);
1721#endif
1722
1723  // Otherwise, display an SSL blocking page. The interstitial page takes
1724  // ownership of ssl_blocking_page.
1725  int options_mask = 0;
1726  if (overridable)
1727    options_mask = SSLBlockingPage::OVERRIDABLE;
1728  if (strict_enforcement)
1729    options_mask = SSLBlockingPage::STRICT_ENFORCEMENT;
1730  if (expired_previous_decision)
1731    options_mask = SSLBlockingPage::EXPIRED_BUT_PREVIOUSLY_ALLOWED;
1732  SSLBlockingPage* ssl_blocking_page = new SSLBlockingPage(
1733      tab, cert_error, ssl_info, request_url, options_mask, callback);
1734  ssl_blocking_page->Show();
1735}
1736
1737void ChromeContentBrowserClient::SelectClientCertificate(
1738    int render_process_id,
1739    int render_frame_id,
1740    const net::HttpNetworkSession* network_session,
1741    net::SSLCertRequestInfo* cert_request_info,
1742    const base::Callback<void(net::X509Certificate*)>& callback) {
1743  content::RenderFrameHost* rfh = content::RenderFrameHost::FromID(
1744      render_process_id, render_frame_id);
1745  WebContents* tab = WebContents::FromRenderFrameHost(rfh);
1746  if (!tab) {
1747    NOTREACHED();
1748    return;
1749  }
1750
1751  prerender::PrerenderContents* prerender_contents =
1752      prerender::PrerenderContents::FromWebContents(tab);
1753  if (prerender_contents) {
1754    prerender_contents->Destroy(
1755        prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
1756    return;
1757  }
1758
1759  GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
1760  DCHECK(requesting_url.is_valid())
1761      << "Invalid URL string: https://"
1762      << cert_request_info->host_and_port.ToString();
1763
1764  Profile* profile = Profile::FromBrowserContext(tab->GetBrowserContext());
1765  scoped_ptr<base::Value> filter(
1766      profile->GetHostContentSettingsMap()->GetWebsiteSetting(
1767          requesting_url,
1768          requesting_url,
1769          CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
1770          std::string(), NULL));
1771
1772  if (filter.get()) {
1773    // Try to automatically select a client certificate.
1774    if (filter->IsType(base::Value::TYPE_DICTIONARY)) {
1775      base::DictionaryValue* filter_dict =
1776          static_cast<base::DictionaryValue*>(filter.get());
1777
1778      const std::vector<scoped_refptr<net::X509Certificate> >&
1779          all_client_certs = cert_request_info->client_certs;
1780      for (size_t i = 0; i < all_client_certs.size(); ++i) {
1781        if (CertMatchesFilter(*all_client_certs[i].get(), *filter_dict)) {
1782          // Use the first certificate that is matched by the filter.
1783          callback.Run(all_client_certs[i].get());
1784          return;
1785        }
1786      }
1787    } else {
1788      NOTREACHED();
1789    }
1790  }
1791
1792  chrome::ShowSSLClientCertificateSelector(tab, network_session,
1793                                           cert_request_info, callback);
1794}
1795
1796void ChromeContentBrowserClient::AddCertificate(
1797    net::CertificateMimeType cert_type,
1798    const void* cert_data,
1799    size_t cert_size,
1800    int render_process_id,
1801    int render_frame_id) {
1802  chrome::SSLAddCertificate(cert_type, cert_data, cert_size,
1803                            render_process_id, render_frame_id);
1804}
1805
1806content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
1807  return MediaCaptureDevicesDispatcher::GetInstance();
1808}
1809
1810void ChromeContentBrowserClient::RequestDesktopNotificationPermission(
1811    const GURL& source_origin,
1812    content::RenderFrameHost* render_frame_host,
1813    const base::Callback<void(blink::WebNotificationPermission)>& callback) {
1814#if defined(ENABLE_NOTIFICATIONS)
1815  // Skip showing the infobar if the request comes from an extension, and that
1816  // extension has the 'notify' permission. (If the extension does not have the
1817  // permission, the user will still be prompted.)
1818  Profile* profile = Profile::FromBrowserContext(
1819      render_frame_host->GetSiteInstance()->GetBrowserContext());
1820  InfoMap* extension_info_map =
1821      extensions::ExtensionSystem::Get(profile)->info_map();
1822  DesktopNotificationService* notification_service =
1823      DesktopNotificationServiceFactory::GetForProfile(profile);
1824  const Extension* extension = NULL;
1825  if (extension_info_map) {
1826    extensions::ExtensionSet extensions;
1827    extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
1828        source_origin,
1829        render_frame_host->GetProcess()->GetID(),
1830        extensions::APIPermission::kNotifications,
1831        &extensions);
1832    for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
1833         iter != extensions.end(); ++iter) {
1834      if (notification_service->IsNotifierEnabled(NotifierId(
1835              NotifierId::APPLICATION, (*iter)->id()))) {
1836        extension = iter->get();
1837        break;
1838      }
1839    }
1840  }
1841  if (IsExtensionWithPermissionOrSuggestInConsole(
1842          APIPermission::kNotifications,
1843          extension,
1844          render_frame_host->GetRenderViewHost())) {
1845    callback.Run(blink::WebNotificationPermissionAllowed);
1846    return;
1847  }
1848
1849  WebContents* web_contents = WebContents::FromRenderFrameHost(
1850      render_frame_host);
1851  int render_process_id = render_frame_host->GetProcess()->GetID();
1852  const PermissionRequestID request_id(render_process_id,
1853      web_contents->GetRoutingID(),
1854      -1 /* bridge id */,
1855      GURL());
1856
1857  notification_service->RequestNotificationPermission(
1858      web_contents,
1859      request_id,
1860      source_origin,
1861      // TODO(peter): plumb user_gesture over IPC
1862      true,
1863      callback);
1864
1865#else
1866  NOTIMPLEMENTED();
1867#endif
1868}
1869
1870blink::WebNotificationPermission
1871ChromeContentBrowserClient::CheckDesktopNotificationPermission(
1872    const GURL& source_origin,
1873    content::ResourceContext* context,
1874    int render_process_id) {
1875#if defined(ENABLE_NOTIFICATIONS)
1876  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1877
1878  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1879  InfoMap* extension_info_map = io_data->GetExtensionInfoMap();
1880
1881  // We want to see if there is an extension that hasn't been manually disabled
1882  // that has the notifications permission and applies to this security origin.
1883  // First, get the list of extensions with permission for the origin.
1884  extensions::ExtensionSet extensions;
1885  extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
1886      source_origin,
1887      render_process_id,
1888      extensions::APIPermission::kNotifications,
1889      &extensions);
1890  for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
1891       iter != extensions.end(); ++iter) {
1892    // Then, check to see if it's been disabled by the user.
1893    if (!extension_info_map->AreNotificationsDisabled((*iter)->id()))
1894      return blink::WebNotificationPermissionAllowed;
1895  }
1896
1897  // No enabled extensions exist, so check the normal host content settings.
1898  HostContentSettingsMap* host_content_settings_map =
1899      io_data->GetHostContentSettingsMap();
1900  ContentSetting setting = host_content_settings_map->GetContentSetting(
1901      source_origin,
1902      source_origin,
1903      CONTENT_SETTINGS_TYPE_NOTIFICATIONS,
1904      NO_RESOURCE_IDENTIFIER);
1905
1906  if (setting == CONTENT_SETTING_ALLOW)
1907    return blink::WebNotificationPermissionAllowed;
1908  if (setting == CONTENT_SETTING_BLOCK)
1909    return blink::WebNotificationPermissionDenied;
1910  return blink::WebNotificationPermissionDefault;
1911#else
1912  return blink::WebNotificationPermissionAllowed;
1913#endif
1914}
1915
1916void ChromeContentBrowserClient::ShowDesktopNotification(
1917    const content::ShowDesktopNotificationHostMsgParams& params,
1918    RenderFrameHost* render_frame_host,
1919    scoped_ptr<content::DesktopNotificationDelegate> delegate,
1920    base::Closure* cancel_callback) {
1921#if defined(ENABLE_NOTIFICATIONS)
1922  content::RenderProcessHost* process = render_frame_host->GetProcess();
1923  Profile* profile = Profile::FromBrowserContext(process->GetBrowserContext());
1924  DesktopNotificationService* service =
1925      DesktopNotificationServiceFactory::GetForProfile(profile);
1926  service->ShowDesktopNotification(
1927      params, render_frame_host, delegate.Pass(), cancel_callback);
1928
1929  profile->GetHostContentSettingsMap()->UpdateLastUsage(
1930      params.origin, params.origin, CONTENT_SETTINGS_TYPE_NOTIFICATIONS);
1931#else
1932  NOTIMPLEMENTED();
1933#endif
1934}
1935
1936void ChromeContentBrowserClient::RequestGeolocationPermission(
1937    content::WebContents* web_contents,
1938    int bridge_id,
1939    const GURL& requesting_frame,
1940    bool user_gesture,
1941    base::Callback<void(bool)> result_callback,
1942    base::Closure* cancel_callback) {
1943  GeolocationPermissionContextFactory::GetForProfile(
1944      Profile::FromBrowserContext(web_contents->GetBrowserContext()))->
1945          RequestGeolocationPermission(web_contents, bridge_id,
1946                                       requesting_frame, user_gesture,
1947                                       result_callback, cancel_callback);
1948}
1949
1950void ChromeContentBrowserClient::RequestMidiSysExPermission(
1951    content::WebContents* web_contents,
1952    int bridge_id,
1953    const GURL& requesting_frame,
1954    bool user_gesture,
1955    base::Callback<void(bool)> result_callback,
1956    base::Closure* cancel_callback) {
1957  MidiPermissionContext* context =
1958      MidiPermissionContextFactory::GetForProfile(
1959          Profile::FromBrowserContext(web_contents->GetBrowserContext()));
1960  int renderer_id = web_contents->GetRenderProcessHost()->GetID();
1961  int render_view_id = web_contents->GetRenderViewHost()->GetRoutingID();
1962  const PermissionRequestID id(renderer_id, render_view_id, bridge_id, GURL());
1963
1964  context->RequestPermission(web_contents, id, requesting_frame,
1965                             user_gesture, result_callback);
1966}
1967
1968void ChromeContentBrowserClient::DidUseGeolocationPermission(
1969    content::WebContents* web_contents,
1970    const GURL& frame_url,
1971    const GURL& main_frame_url) {
1972  Profile::FromBrowserContext(web_contents->GetBrowserContext())
1973      ->GetHostContentSettingsMap()
1974      ->UpdateLastUsage(
1975          frame_url, main_frame_url, CONTENT_SETTINGS_TYPE_GEOLOCATION);
1976}
1977
1978void ChromeContentBrowserClient::RequestProtectedMediaIdentifierPermission(
1979    content::WebContents* web_contents,
1980    const GURL& origin,
1981    base::Callback<void(bool)> result_callback,
1982    base::Closure* cancel_callback) {
1983#if defined(OS_ANDROID)
1984  ProtectedMediaIdentifierPermissionContext* context =
1985      ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(
1986          Profile::FromBrowserContext(web_contents->GetBrowserContext()));
1987  context->RequestProtectedMediaIdentifierPermission(web_contents,
1988                                                     origin,
1989                                                     result_callback,
1990                                                     cancel_callback);
1991#else
1992  NOTIMPLEMENTED();
1993  result_callback.Run(false);
1994#endif  // defined(OS_ANDROID)
1995}
1996
1997bool ChromeContentBrowserClient::CanCreateWindow(
1998    const GURL& opener_url,
1999    const GURL& opener_top_level_frame_url,
2000    const GURL& source_origin,
2001    WindowContainerType container_type,
2002    const GURL& target_url,
2003    const content::Referrer& referrer,
2004    WindowOpenDisposition disposition,
2005    const WebWindowFeatures& features,
2006    bool user_gesture,
2007    bool opener_suppressed,
2008    content::ResourceContext* context,
2009    int render_process_id,
2010    int opener_id,
2011    bool* no_javascript_access) {
2012  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2013
2014  *no_javascript_access = false;
2015
2016  // If the opener is trying to create a background window but doesn't have
2017  // the appropriate permission, fail the attempt.
2018  if (container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
2019#if defined(ENABLE_EXTENSIONS)
2020    ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2021    InfoMap* map = io_data->GetExtensionInfoMap();
2022    if (!map->SecurityOriginHasAPIPermission(
2023            source_origin,
2024            render_process_id,
2025            APIPermission::kBackground)) {
2026      return false;
2027    }
2028
2029    // Note: this use of GetExtensionOrAppByURL is safe but imperfect.  It may
2030    // return a recently installed Extension even if this CanCreateWindow call
2031    // was made by an old copy of the page in a normal web process.  That's ok,
2032    // because the permission check above would have caused an early return
2033    // already. We must use the full URL to find hosted apps, though, and not
2034    // just the origin.
2035    const Extension* extension =
2036        map->extensions().GetExtensionOrAppByURL(opener_url);
2037    if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
2038      *no_javascript_access = true;
2039#endif
2040
2041    return true;
2042  }
2043
2044#if defined(ENABLE_EXTENSIONS)
2045  if (extensions::WebViewRendererState::GetInstance()->IsGuest(
2046      render_process_id))
2047    return true;
2048#endif
2049
2050  HostContentSettingsMap* content_settings =
2051      ProfileIOData::FromResourceContext(context)->GetHostContentSettingsMap();
2052  BlockedWindowParams blocked_params(target_url,
2053                                     referrer,
2054                                     disposition,
2055                                     features,
2056                                     user_gesture,
2057                                     opener_suppressed,
2058                                     render_process_id,
2059                                     opener_id);
2060
2061  if (!user_gesture && !CommandLine::ForCurrentProcess()->HasSwitch(
2062        switches::kDisablePopupBlocking)) {
2063    if (content_settings->GetContentSetting(opener_top_level_frame_url,
2064                                            opener_top_level_frame_url,
2065                                            CONTENT_SETTINGS_TYPE_POPUPS,
2066                                            std::string()) !=
2067        CONTENT_SETTING_ALLOW) {
2068      BrowserThread::PostTask(BrowserThread::UI,
2069                              FROM_HERE,
2070                              base::Bind(&HandleBlockedPopupOnUIThread,
2071                                         blocked_params));
2072      return false;
2073    }
2074  }
2075
2076#if defined(OS_ANDROID)
2077  if (SingleTabModeTabHelper::IsRegistered(render_process_id, opener_id)) {
2078    BrowserThread::PostTask(BrowserThread::UI,
2079                            FROM_HERE,
2080                            base::Bind(&HandleSingleTabModeBlockOnUIThread,
2081                                       blocked_params));
2082    return false;
2083  }
2084#endif
2085
2086  return true;
2087}
2088
2089std::string ChromeContentBrowserClient::GetWorkerProcessTitle(
2090    const GURL& url, content::ResourceContext* context) {
2091  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2092#if defined(ENABLE_EXTENSIONS)
2093  return ChromeContentBrowserClientExtensionsPart::GetWorkerProcessTitle(
2094      url, context);
2095#else
2096  return std::string();
2097#endif
2098}
2099
2100void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
2101  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
2102  prerender_tracker_ = g_browser_process->prerender_tracker();
2103  return g_browser_process->ResourceDispatcherHostCreated();
2104}
2105
2106// TODO(tommi): Rename from Get to Create.
2107content::SpeechRecognitionManagerDelegate*
2108    ChromeContentBrowserClient::GetSpeechRecognitionManagerDelegate() {
2109  return new speech::ChromeSpeechRecognitionManagerDelegate();
2110}
2111
2112net::NetLog* ChromeContentBrowserClient::GetNetLog() {
2113  return g_browser_process->net_log();
2114}
2115
2116AccessTokenStore* ChromeContentBrowserClient::CreateAccessTokenStore() {
2117  return new ChromeAccessTokenStore();
2118}
2119
2120bool ChromeContentBrowserClient::IsFastShutdownPossible() {
2121  return true;
2122}
2123
2124void ChromeContentBrowserClient::OverrideWebkitPrefs(
2125    RenderViewHost* rvh, const GURL& url, WebPreferences* web_prefs) {
2126  Profile* profile = Profile::FromBrowserContext(
2127      rvh->GetProcess()->GetBrowserContext());
2128  PrefService* prefs = profile->GetPrefs();
2129
2130  // Fill per-script font preferences. These are not registered on Android
2131  // - http://crbug.com/308033.
2132#if !defined(OS_ANDROID)
2133  FontFamilyCache::FillFontFamilyMap(profile,
2134                                     prefs::kWebKitStandardFontFamilyMap,
2135                                     &web_prefs->standard_font_family_map);
2136  FontFamilyCache::FillFontFamilyMap(profile,
2137                                     prefs::kWebKitFixedFontFamilyMap,
2138                                     &web_prefs->fixed_font_family_map);
2139  FontFamilyCache::FillFontFamilyMap(profile,
2140                                     prefs::kWebKitSerifFontFamilyMap,
2141                                     &web_prefs->serif_font_family_map);
2142  FontFamilyCache::FillFontFamilyMap(profile,
2143                                     prefs::kWebKitSansSerifFontFamilyMap,
2144                                     &web_prefs->sans_serif_font_family_map);
2145  FontFamilyCache::FillFontFamilyMap(profile,
2146                                     prefs::kWebKitCursiveFontFamilyMap,
2147                                     &web_prefs->cursive_font_family_map);
2148  FontFamilyCache::FillFontFamilyMap(profile,
2149                                     prefs::kWebKitFantasyFontFamilyMap,
2150                                     &web_prefs->fantasy_font_family_map);
2151  FontFamilyCache::FillFontFamilyMap(profile,
2152                                     prefs::kWebKitPictographFontFamilyMap,
2153                                     &web_prefs->pictograph_font_family_map);
2154#endif
2155
2156  web_prefs->default_font_size =
2157      prefs->GetInteger(prefs::kWebKitDefaultFontSize);
2158  web_prefs->default_fixed_font_size =
2159      prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
2160  web_prefs->minimum_font_size =
2161      prefs->GetInteger(prefs::kWebKitMinimumFontSize);
2162  web_prefs->minimum_logical_font_size =
2163      prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
2164
2165  web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2166
2167  web_prefs->javascript_can_open_windows_automatically =
2168      prefs->GetBoolean(prefs::kWebKitJavascriptCanOpenWindowsAutomatically);
2169  web_prefs->dom_paste_enabled =
2170      prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
2171  web_prefs->shrinks_standalone_images_to_fit =
2172      prefs->GetBoolean(prefs::kWebKitShrinksStandaloneImagesToFit);
2173  const base::DictionaryValue* inspector_settings =
2174      prefs->GetDictionary(prefs::kWebKitInspectorSettings);
2175  if (inspector_settings) {
2176    for (base::DictionaryValue::Iterator iter(*inspector_settings);
2177         !iter.IsAtEnd();
2178         iter.Advance()) {
2179      std::string value;
2180      if (iter.value().GetAsString(&value)) {
2181          web_prefs->inspector_settings.push_back(
2182              std::make_pair(iter.key(), value));
2183      }
2184    }
2185  }
2186  web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
2187
2188  if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
2189    web_prefs->javascript_enabled = false;
2190  if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
2191    web_prefs->web_security_enabled = false;
2192  if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
2193    web_prefs->plugins_enabled = false;
2194  if (!prefs->GetBoolean(prefs::kWebKitJavaEnabled))
2195    web_prefs->java_enabled = false;
2196  web_prefs->loads_images_automatically =
2197      prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
2198
2199  if (prefs->GetBoolean(prefs::kDisable3DAPIs))
2200    web_prefs->experimental_webgl_enabled = false;
2201
2202  web_prefs->allow_displaying_insecure_content =
2203      prefs->GetBoolean(prefs::kWebKitAllowDisplayingInsecureContent);
2204  web_prefs->allow_running_insecure_content =
2205      prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
2206#if defined(OS_ANDROID)
2207  web_prefs->font_scale_factor =
2208      static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
2209  web_prefs->device_scale_adjustment = GetDeviceScaleAdjustment();
2210  web_prefs->force_enable_zoom =
2211      prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
2212#endif
2213
2214#if defined(OS_ANDROID)
2215  web_prefs->password_echo_enabled =
2216      prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
2217#else
2218  web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
2219#endif
2220
2221  web_prefs->asynchronous_spell_checking_enabled = true;
2222  web_prefs->unified_textchecker_enabled = true;
2223
2224  web_prefs->uses_universal_detector =
2225      prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
2226  web_prefs->text_areas_are_resizable =
2227      prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
2228  web_prefs->hyperlink_auditing_enabled =
2229      prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
2230
2231  // Make sure we will set the default_encoding with canonical encoding name.
2232  web_prefs->default_encoding =
2233      CharacterEncoding::GetCanonicalEncodingNameByAliasName(
2234          web_prefs->default_encoding);
2235  if (web_prefs->default_encoding.empty()) {
2236    prefs->ClearPref(prefs::kDefaultCharset);
2237    web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2238  }
2239  DCHECK(!web_prefs->default_encoding.empty());
2240
2241  for (size_t i = 0; i < extra_parts_.size(); ++i)
2242    extra_parts_[i]->OverrideWebkitPrefs(rvh, url, web_prefs);
2243}
2244
2245void ChromeContentBrowserClient::UpdateInspectorSetting(
2246    RenderViewHost* rvh, const std::string& key, const std::string& value) {
2247  content::BrowserContext* browser_context =
2248      rvh->GetProcess()->GetBrowserContext();
2249  DictionaryPrefUpdate update(
2250      Profile::FromBrowserContext(browser_context)->GetPrefs(),
2251      prefs::kWebKitInspectorSettings);
2252  base::DictionaryValue* inspector_settings = update.Get();
2253  inspector_settings->SetWithoutPathExpansion(key,
2254                                              new base::StringValue(value));
2255}
2256
2257void ChromeContentBrowserClient::BrowserURLHandlerCreated(
2258    BrowserURLHandler* handler) {
2259  for (size_t i = 0; i < extra_parts_.size(); ++i)
2260    extra_parts_[i]->BrowserURLHandlerCreated(handler);
2261
2262  // about: handler. Must come before chrome: handler, since it will
2263  // rewrite about: urls to chrome: URLs and then expect chrome: to
2264  // actually handle them.
2265  handler->AddHandlerPair(&WillHandleBrowserAboutURL,
2266                          BrowserURLHandler::null_handler());
2267
2268#if defined(OS_ANDROID)
2269  // Handler to rewrite chrome://newtab on Android.
2270  handler->AddHandlerPair(&chrome::android::HandleAndroidNewTabURL,
2271                          BrowserURLHandler::null_handler());
2272#else
2273  // Handler to rewrite chrome://newtab for InstantExtended.
2274  handler->AddHandlerPair(&chrome::HandleNewTabURLRewrite,
2275                          &chrome::HandleNewTabURLReverseRewrite);
2276#endif
2277
2278  // chrome: & friends.
2279  handler->AddHandlerPair(&HandleWebUI, &HandleWebUIReverse);
2280}
2281
2282void ChromeContentBrowserClient::ClearCache(RenderViewHost* rvh) {
2283  Profile* profile = Profile::FromBrowserContext(
2284      rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2285  BrowsingDataRemover* remover =
2286      BrowsingDataRemover::CreateForUnboundedRange(profile);
2287  remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
2288                  BrowsingDataHelper::UNPROTECTED_WEB);
2289  // BrowsingDataRemover takes care of deleting itself when done.
2290}
2291
2292void ChromeContentBrowserClient::ClearCookies(RenderViewHost* rvh) {
2293  Profile* profile = Profile::FromBrowserContext(
2294      rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2295  BrowsingDataRemover* remover =
2296      BrowsingDataRemover::CreateForUnboundedRange(profile);
2297  int remove_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
2298  remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
2299  // BrowsingDataRemover takes care of deleting itself when done.
2300}
2301
2302base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
2303  return DownloadPrefs::GetDefaultDownloadDirectory();
2304}
2305
2306std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
2307  return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
2308}
2309
2310void ChromeContentBrowserClient::DidCreatePpapiPlugin(
2311    content::BrowserPpapiHost* browser_host) {
2312#if defined(ENABLE_PLUGINS)
2313  browser_host->GetPpapiHost()->AddHostFactoryFilter(
2314      scoped_ptr<ppapi::host::HostFactory>(
2315          new ChromeBrowserPepperHostFactory(browser_host)));
2316#endif
2317}
2318
2319content::BrowserPpapiHost*
2320    ChromeContentBrowserClient::GetExternalBrowserPpapiHost(
2321        int plugin_process_id) {
2322#if !defined(DISABLE_NACL)
2323  content::BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
2324  while (!iter.Done()) {
2325    nacl::NaClProcessHost* host = static_cast<nacl::NaClProcessHost*>(
2326        iter.GetDelegate());
2327    if (host->process() &&
2328        host->process()->GetData().id == plugin_process_id) {
2329      // Found the plugin.
2330      return host->browser_ppapi_host();
2331    }
2332    ++iter;
2333  }
2334#endif
2335  return NULL;
2336}
2337
2338bool ChromeContentBrowserClient::AllowPepperSocketAPI(
2339    content::BrowserContext* browser_context,
2340    const GURL& url,
2341    bool private_api,
2342    const content::SocketPermissionRequest* params) {
2343#if defined(ENABLE_PLUGINS)
2344  Profile* profile = Profile::FromBrowserContext(browser_context);
2345  const extensions::ExtensionSet* extension_set = NULL;
2346  if (profile) {
2347    const ExtensionService* ext_service =
2348        extensions::ExtensionSystem::Get(profile)->extension_service();
2349    if (ext_service) {
2350      extension_set = ext_service->extensions();
2351    }
2352  }
2353
2354  if (private_api) {
2355    // Access to private socket APIs is controlled by the whitelist.
2356    if (IsExtensionOrSharedModuleWhitelisted(url, extension_set,
2357                                             allowed_socket_origins_)) {
2358      return true;
2359    }
2360  } else {
2361    // Access to public socket APIs is controlled by extension permissions.
2362    if (url.is_valid() && url.SchemeIs(extensions::kExtensionScheme) &&
2363        extension_set) {
2364      const Extension* extension = extension_set->GetByID(url.host());
2365      if (extension) {
2366        const extensions::PermissionsData* permissions_data =
2367            extension->permissions_data();
2368        if (params) {
2369          extensions::SocketPermission::CheckParam check_params(
2370              params->type, params->host, params->port);
2371          if (permissions_data->CheckAPIPermissionWithParam(
2372                  extensions::APIPermission::kSocket, &check_params)) {
2373            return true;
2374          }
2375        } else if (permissions_data->HasAPIPermission(
2376                       extensions::APIPermission::kSocket)) {
2377          return true;
2378        }
2379      }
2380    }
2381  }
2382
2383  // Allow both public and private APIs if the command line says so.
2384  return IsHostAllowedByCommandLine(url, extension_set,
2385                                    switches::kAllowNaClSocketAPI);
2386#else
2387  return false;
2388#endif
2389}
2390
2391ui::SelectFilePolicy* ChromeContentBrowserClient::CreateSelectFilePolicy(
2392    WebContents* web_contents) {
2393  return new ChromeSelectFilePolicy(web_contents);
2394}
2395
2396void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2397    std::vector<std::string>* additional_allowed_schemes) {
2398  ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2399      additional_allowed_schemes);
2400  additional_allowed_schemes->push_back(content::kChromeDevToolsScheme);
2401  additional_allowed_schemes->push_back(content::kChromeUIScheme);
2402  for (size_t i = 0; i < extra_parts_.size(); ++i) {
2403    extra_parts_[i]->GetAdditionalAllowedSchemesForFileSystem(
2404        additional_allowed_schemes);
2405  }
2406}
2407
2408void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
2409    std::vector<fileapi::URLRequestAutoMountHandler>* handlers) {
2410  for (size_t i = 0; i < extra_parts_.size(); ++i)
2411    extra_parts_[i]->GetURLRequestAutoMountHandlers(handlers);
2412}
2413
2414void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
2415    content::BrowserContext* browser_context,
2416    const base::FilePath& storage_partition_path,
2417    ScopedVector<fileapi::FileSystemBackend>* additional_backends) {
2418#if defined(OS_CHROMEOS)
2419  fileapi::ExternalMountPoints* external_mount_points =
2420      content::BrowserContext::GetMountPoints(browser_context);
2421  DCHECK(external_mount_points);
2422  chromeos::FileSystemBackend* backend = new chromeos::FileSystemBackend(
2423      new drive::FileSystemBackendDelegate,
2424      new chromeos::file_system_provider::BackendDelegate,
2425      new chromeos::MTPFileSystemBackendDelegate(storage_partition_path),
2426      browser_context->GetSpecialStoragePolicy(),
2427      external_mount_points,
2428      fileapi::ExternalMountPoints::GetSystemInstance());
2429  backend->AddSystemMountPoints();
2430  DCHECK(backend->CanHandleType(fileapi::kFileSystemTypeExternal));
2431  additional_backends->push_back(backend);
2432#endif
2433
2434#if defined(ENABLE_SERVICE_DISCOVERY)
2435  if (CommandLine::ForCurrentProcess()->HasSwitch(
2436          switches::kEnablePrivetStorage)) {
2437    additional_backends->push_back(
2438        new local_discovery::PrivetFileSystemBackend(
2439            fileapi::ExternalMountPoints::GetSystemInstance(),
2440            browser_context));
2441  }
2442#endif
2443
2444  for (size_t i = 0; i < extra_parts_.size(); ++i) {
2445    extra_parts_[i]->GetAdditionalFileSystemBackends(
2446        browser_context, storage_partition_path, additional_backends);
2447  }
2448}
2449
2450#if defined(OS_POSIX) && !defined(OS_MACOSX)
2451void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2452    const CommandLine& command_line,
2453    int child_process_id,
2454    std::vector<FileDescriptorInfo>* mappings) {
2455#if defined(OS_ANDROID)
2456  base::FilePath data_path;
2457  PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &data_path);
2458  DCHECK(!data_path.empty());
2459
2460  int flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2461  base::FilePath chrome_resources_pak =
2462      data_path.AppendASCII("chrome_100_percent.pak");
2463  base::File file(chrome_resources_pak, flags);
2464  DCHECK(file.IsValid());
2465  mappings->push_back(FileDescriptorInfo(kAndroidChrome100PercentPakDescriptor,
2466                                         FileDescriptor(file.Pass())));
2467
2468  const std::string locale = GetApplicationLocale();
2469  base::FilePath locale_pak = ResourceBundle::GetSharedInstance().
2470      GetLocaleFilePath(locale, false);
2471  file.Initialize(locale_pak, flags);
2472  DCHECK(file.IsValid());
2473  mappings->push_back(FileDescriptorInfo(kAndroidLocalePakDescriptor,
2474                                         FileDescriptor(file.Pass())));
2475
2476  base::FilePath resources_pack_path;
2477  PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
2478  file.Initialize(resources_pack_path, flags);
2479  DCHECK(file.IsValid());
2480  mappings->push_back(FileDescriptorInfo(kAndroidUIResourcesPakDescriptor,
2481                                         FileDescriptor(file.Pass())));
2482
2483  if (breakpad::IsCrashReporterEnabled()) {
2484    file = breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
2485               child_process_id);
2486    if (file.IsValid()) {
2487      mappings->push_back(FileDescriptorInfo(kAndroidMinidumpDescriptor,
2488                                             FileDescriptor(file.Pass())));
2489    } else {
2490      LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
2491                 "be disabled for this process.";
2492    }
2493  }
2494
2495  base::FilePath app_data_path;
2496  PathService::Get(base::DIR_ANDROID_APP_DATA, &app_data_path);
2497  DCHECK(!app_data_path.empty());
2498
2499  flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2500  base::FilePath icudata_path =
2501      app_data_path.AppendASCII("icudtl.dat");
2502  base::File icudata_file(icudata_path, flags);
2503  DCHECK(icudata_file.IsValid());
2504  mappings->push_back(FileDescriptorInfo(kAndroidICUDataDescriptor,
2505                                         FileDescriptor(icudata_file.Pass())));
2506
2507#else
2508  int crash_signal_fd = GetCrashSignalFD(command_line);
2509  if (crash_signal_fd >= 0) {
2510    mappings->push_back(FileDescriptorInfo(kCrashDumpSignal,
2511                                           FileDescriptor(crash_signal_fd,
2512                                                          false)));
2513  }
2514#endif  // defined(OS_ANDROID)
2515}
2516#endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
2517
2518#if defined(OS_WIN)
2519const wchar_t* ChromeContentBrowserClient::GetResourceDllName() {
2520  return chrome::kBrowserResourcesDll;
2521}
2522
2523void ChromeContentBrowserClient::PreSpawnRenderer(
2524    sandbox::TargetPolicy* policy,
2525    bool* success) {
2526  // This code is duplicated in nacl_exe_win_64.cc.
2527  // Allow the server side of a pipe restricted to the "chrome.nacl."
2528  // namespace so that it cannot impersonate other system or other chrome
2529  // service pipes.
2530  sandbox::ResultCode result = policy->AddRule(
2531      sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
2532      sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
2533      L"\\\\.\\pipe\\chrome.nacl.*");
2534  if (result != sandbox::SBOX_ALL_OK) {
2535    *success = false;
2536    return;
2537  }
2538
2539  // Renderers need to send named pipe handles and shared memory
2540  // segment handles to NaCl loader processes.
2541  result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
2542                           sandbox::TargetPolicy::HANDLES_DUP_ANY,
2543                           L"File");
2544  if (result != sandbox::SBOX_ALL_OK) {
2545    *success = false;
2546    return;
2547  }
2548}
2549#endif
2550
2551content::DevToolsManagerDelegate*
2552ChromeContentBrowserClient::GetDevToolsManagerDelegate() {
2553  return new ChromeDevToolsManagerDelegate();
2554}
2555
2556bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
2557    content::BrowserContext* browser_context,
2558    const GURL& url) {
2559#if defined(ENABLE_PLUGINS)
2560  Profile* profile = Profile::FromBrowserContext(browser_context);
2561  const extensions::ExtensionSet* extension_set = NULL;
2562  if (profile) {
2563    const ExtensionService* ext_service =
2564        extensions::ExtensionSystem::Get(profile)->extension_service();
2565    if (ext_service) {
2566      extension_set = ext_service->extensions();
2567    }
2568  }
2569  return IsExtensionOrSharedModuleWhitelisted(url, extension_set,
2570                                              allowed_file_handle_origins_) ||
2571         IsHostAllowedByCommandLine(url, extension_set,
2572                                    switches::kAllowNaClFileHandleAPI);
2573#else
2574  return false;
2575#endif
2576}
2577
2578bool ChromeContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs(
2579    content::BrowserContext* browser_context,
2580    const GURL& url) {
2581#if defined(ENABLE_PLUGINS)
2582  // Allow access for tests.
2583  if (CommandLine::ForCurrentProcess()->HasSwitch(
2584          switches::kEnablePepperTesting)) {
2585    return true;
2586  }
2587
2588  Profile* profile = Profile::FromBrowserContext(browser_context);
2589  const extensions::ExtensionSet* extension_set = NULL;
2590  if (profile) {
2591    const ExtensionService* ext_service =
2592        extensions::ExtensionSystem::Get(profile)->extension_service();
2593    if (ext_service) {
2594      extension_set = ext_service->extensions();
2595    }
2596  }
2597
2598  // Allow access for whitelisted applications.
2599  if (IsExtensionOrSharedModuleWhitelisted(url,
2600                                           extension_set,
2601                                           allowed_dev_channel_origins_)) {
2602      return true;
2603  }
2604
2605  chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
2606  // Allow dev channel APIs to be used on "Canary", "Dev", and "Unknown"
2607  // releases of Chrome. Permitting "Unknown" allows these APIs to be used on
2608  // Chromium builds as well.
2609  return channel <= chrome::VersionInfo::CHANNEL_DEV;
2610#else
2611  return false;
2612#endif
2613}
2614
2615net::CookieStore*
2616ChromeContentBrowserClient::OverrideCookieStoreForRenderProcess(
2617    int render_process_id) {
2618  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2619  if (!prerender_tracker_)
2620    return NULL;
2621  return prerender_tracker_->
2622      GetPrerenderCookieStoreForRenderProcess(render_process_id);
2623}
2624
2625#if defined(ENABLE_WEBRTC)
2626void ChromeContentBrowserClient::MaybeCopyDisableWebRtcEncryptionSwitch(
2627    CommandLine* to_command_line,
2628    const CommandLine& from_command_line,
2629    VersionInfo::Channel channel) {
2630#if defined(OS_ANDROID)
2631  const VersionInfo::Channel kMaxDisableEncryptionChannel =
2632      VersionInfo::CHANNEL_BETA;
2633#else
2634  const VersionInfo::Channel kMaxDisableEncryptionChannel =
2635      VersionInfo::CHANNEL_DEV;
2636#endif
2637  if (channel <= kMaxDisableEncryptionChannel) {
2638    static const char* const kWebRtcDevSwitchNames[] = {
2639      switches::kDisableWebRtcEncryption,
2640    };
2641    to_command_line->CopySwitchesFrom(from_command_line,
2642                                      kWebRtcDevSwitchNames,
2643                                      arraysize(kWebRtcDevSwitchNames));
2644  }
2645}
2646#endif  // defined(ENABLE_WEBRTC)
2647
2648}  // namespace chrome
2649