chrome_content_browser_client.cc revision d0247b1b59f9c528cb6df88b4f2b9afaf80d181e 
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/strings/string_number_conversions.h"
17#include "base/strings/utf_string_conversions.h"
18#include "base/threading/sequenced_worker_pool.h"
19#include "chrome/app/breakpad_mac.h"
20#include "chrome/browser/app_mode/app_mode_utils.h"
21#include "chrome/browser/browser_about_handler.h"
22#include "chrome/browser/browser_process.h"
23#include "chrome/browser/browser_shutdown.h"
24#include "chrome/browser/browsing_data/browsing_data_helper.h"
25#include "chrome/browser/browsing_data/browsing_data_remover.h"
26#include "chrome/browser/character_encoding.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/tab_specific_content_settings.h"
33#include "chrome/browser/defaults.h"
34#include "chrome/browser/download/download_prefs.h"
35#include "chrome/browser/extensions/api/web_request/web_request_api.h"
36#include "chrome/browser/extensions/browser_permissions_policy_delegate.h"
37#include "chrome/browser/extensions/extension_host.h"
38#include "chrome/browser/extensions/extension_info_map.h"
39#include "chrome/browser/extensions/extension_process_manager.h"
40#include "chrome/browser/extensions/extension_service.h"
41#include "chrome/browser/extensions/extension_system.h"
42#include "chrome/browser/extensions/extension_web_ui.h"
43#include "chrome/browser/extensions/extension_webkit_preferences.h"
44#include "chrome/browser/extensions/process_map.h"
45#include "chrome/browser/extensions/suggest_permission_util.h"
46#include "chrome/browser/geolocation/chrome_access_token_store.h"
47#include "chrome/browser/google/google_util.h"
48#include "chrome/browser/guestview/adview/adview_guest.h"
49#include "chrome/browser/guestview/guestview_constants.h"
50#include "chrome/browser/guestview/webview/webview_guest.h"
51#include "chrome/browser/media/media_capture_devices_dispatcher.h"
52#include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
53#include "chrome/browser/nacl_host/nacl_host_message_filter.h"
54#include "chrome/browser/nacl_host/nacl_process_host.h"
55#include "chrome/browser/net/chrome_net_log.h"
56#include "chrome/browser/notifications/desktop_notification_service.h"
57#include "chrome/browser/notifications/desktop_notification_service_factory.h"
58#include "chrome/browser/platform_util.h"
59#include "chrome/browser/plugins/plugin_info_message_filter.h"
60#include "chrome/browser/prefs/scoped_user_pref_update.h"
61#include "chrome/browser/prerender/prerender_final_status.h"
62#include "chrome/browser/prerender/prerender_manager.h"
63#include "chrome/browser/prerender/prerender_manager_factory.h"
64#include "chrome/browser/prerender/prerender_message_filter.h"
65#include "chrome/browser/prerender/prerender_tracker.h"
66#include "chrome/browser/printing/printing_message_filter.h"
67#include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
68#include "chrome/browser/profiles/profile.h"
69#include "chrome/browser/profiles/profile_io_data.h"
70#include "chrome/browser/profiles/profile_manager.h"
71#include "chrome/browser/renderer_host/chrome_render_message_filter.h"
72#include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
73#include "chrome/browser/search/instant_service.h"
74#include "chrome/browser/search/instant_service_factory.h"
75#include "chrome/browser/search/search.h"
76#include "chrome/browser/search_engines/search_provider_install_state_message_filter.h"
77#include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
78#include "chrome/browser/speech/tts_message_filter.h"
79#include "chrome/browser/ssl/ssl_add_certificate.h"
80#include "chrome/browser/ssl/ssl_blocking_page.h"
81#include "chrome/browser/ssl/ssl_tab_helper.h"
82#include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
83#include "chrome/browser/tab_contents/tab_util.h"
84#include "chrome/browser/ui/blocked_content/blocked_window_params.h"
85#include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
86#include "chrome/browser/ui/chrome_select_file_policy.h"
87#include "chrome/browser/ui/sync/sync_promo_ui.h"
88#include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
89#include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
90#include "chrome/browser/user_style_sheet_watcher.h"
91#include "chrome/browser/user_style_sheet_watcher_factory.h"
92#include "chrome/browser/validation_message_message_filter.h"
93#include "chrome/common/child_process_logging.h"
94#include "chrome/common/chrome_constants.h"
95#include "chrome/common/chrome_paths.h"
96#include "chrome/common/chrome_switches.h"
97#include "chrome/common/extensions/background_info.h"
98#include "chrome/common/extensions/extension.h"
99#include "chrome/common/extensions/extension_process_policy.h"
100#include "chrome/common/extensions/extension_set.h"
101#include "chrome/common/extensions/manifest_handlers/app_isolation_info.h"
102#include "chrome/common/extensions/manifest_handlers/shared_module_info.h"
103#include "chrome/common/extensions/permissions/permissions_data.h"
104#include "chrome/common/extensions/permissions/socket_permission.h"
105#include "chrome/common/extensions/web_accessible_resources_handler.h"
106#include "chrome/common/logging_chrome.h"
107#include "chrome/common/pepper_permission_util.h"
108#include "chrome/common/pref_names.h"
109#include "chrome/common/render_messages.h"
110#include "chrome/common/url_constants.h"
111#include "chromeos/chromeos_constants.h"
112#include "components/nacl/common/nacl_process_type.h"
113#include "components/user_prefs/pref_registry_syncable.h"
114#include "content/public/browser/browser_child_process_host.h"
115#include "content/public/browser/browser_main_parts.h"
116#include "content/public/browser/browser_ppapi_host.h"
117#include "content/public/browser/browser_thread.h"
118#include "content/public/browser/browser_url_handler.h"
119#include "content/public/browser/child_process_data.h"
120#include "content/public/browser/child_process_security_policy.h"
121#include "content/public/browser/render_process_host.h"
122#include "content/public/browser/render_view_host.h"
123#include "content/public/browser/resource_context.h"
124#include "content/public/browser/site_instance.h"
125#include "content/public/browser/web_contents.h"
126#include "content/public/browser/web_contents_view.h"
127#include "content/public/common/child_process_host.h"
128#include "content/public/common/content_descriptors.h"
129#include "extensions/browser/view_type_utils.h"
130#include "extensions/common/constants.h"
131#include "extensions/common/switches.h"
132#include "grit/generated_resources.h"
133#include "grit/ui_resources.h"
134#include "net/base/escape.h"
135#include "net/base/mime_util.h"
136#include "net/cookies/canonical_cookie.h"
137#include "net/cookies/cookie_options.h"
138#include "net/ssl/ssl_cert_request_info.h"
139#include "ppapi/host/ppapi_host.h"
140#include "ui/base/l10n/l10n_util.h"
141#include "ui/base/resource/resource_bundle.h"
142#include "ui/message_center/message_center_util.h"
143#include "webkit/browser/fileapi/external_mount_points.h"
144#include "webkit/common/webpreferences.h"
145
146#if defined(OS_WIN)
147#include "chrome/browser/chrome_browser_main_win.h"
148#include "sandbox/win/src/sandbox_policy.h"
149#elif defined(OS_MACOSX)
150#include "chrome/browser/chrome_browser_main_mac.h"
151#include "chrome/browser/spellchecker/spellcheck_message_filter_mac.h"
152#elif defined(OS_CHROMEOS)
153#include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
154#include "chrome/browser/chromeos/drive/file_system_backend_delegate.h"
155#include "chrome/browser/chromeos/fileapi/file_system_backend.h"
156#include "chrome/browser/chromeos/login/startup_utils.h"
157#include "chrome/browser/chromeos/login/user_manager.h"
158#include "chrome/browser/chromeos/system/input_device_settings.h"
159#include "chromeos/chromeos_switches.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/crash_dump_manager.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/encrypted_media_message_filter_android.h"
167#include "chrome/common/descriptors_android.h"
168#elif defined(OS_POSIX)
169#include "chrome/browser/chrome_browser_main_posix.h"
170#endif
171
172#if defined(OS_LINUX) || defined(OS_OPENBSD) || defined(OS_ANDROID)
173#include "base/linux_util.h"
174#include "chrome/browser/crash_handler_host_linux.h"
175#endif
176
177#if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
178#include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
179#endif
180
181#if defined(OS_ANDROID)
182#include "ui/base/ui_base_paths.h"
183#endif
184
185#if defined(USE_NSS)
186#include "chrome/browser/ui/crypto_module_password_dialog.h"
187#endif
188
189#if !defined(OS_CHROMEOS)
190#include "chrome/browser/signin/signin_manager.h"
191#include "chrome/browser/signin/signin_manager_factory.h"
192#endif
193
194#if !defined(OS_ANDROID)
195#include "chrome/browser/media_galleries/fileapi/media_file_system_backend.h"
196#endif
197
198#if defined(ENABLE_WEBRTC)
199#include "chrome/browser/media/webrtc_logging_handler_host.h"
200#endif
201
202#if defined(ENABLE_INPUT_SPEECH)
203#include "chrome/browser/speech/chrome_speech_recognition_manager_delegate_bubble_ui.h"
204#endif
205
206#if defined(FILE_MANAGER_EXTENSION)
207#include "chrome/browser/chromeos/file_manager/app_id.h"
208#endif
209
210#if defined(TOOLKIT_GTK)
211#include "chrome/browser/ui/gtk/chrome_browser_main_extra_parts_gtk.h"
212#endif
213
214#if defined(TOOLKIT_VIEWS)
215#include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
216#endif
217
218#if defined(USE_ASH)
219#include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
220#endif
221
222#if defined(USE_AURA)
223#include "chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.h"
224#endif
225
226#if defined(USE_X11)
227#include "chrome/browser/chrome_browser_main_extra_parts_x11.h"
228#endif
229
230#if defined(ENABLE_SPELLCHECK)
231#include "chrome/browser/spellchecker/spellcheck_message_filter.h"
232#endif
233
234using WebKit::WebWindowFeatures;
235using base::FileDescriptor;
236using content::AccessTokenStore;
237using content::BrowserChildProcessHostIterator;
238using content::BrowserThread;
239using content::BrowserURLHandler;
240using content::ChildProcessSecurityPolicy;
241using content::FileDescriptorInfo;
242using content::QuotaPermissionContext;
243using content::RenderViewHost;
244using content::SiteInstance;
245using content::WebContents;
246using extensions::APIPermission;
247using extensions::Extension;
248using extensions::Manifest;
249using message_center::NotifierId;
250
251namespace {
252
253// Cached version of the locale so we can return the locale on the I/O
254// thread.
255base::LazyInstance<std::string> g_io_thread_application_locale;
256
257#if defined(ENABLE_PLUGINS)
258const char* kPredefinedAllowedSocketOrigins[] = {
259  "okddffdblfhhnmhodogpojmfkjmhinfp",  // Test SSH Client
260  "pnhechapfaindjhompbnflcldabbghjo",  // HTerm App (SSH Client)
261  "bglhmjfplikpjnfoegeomebmfnkjomhe",  // see crbug.com/122126
262  "gbchcmhmhahfdphkhkmpfmihenigjmpp",  // Chrome Remote Desktop
263  "kgngmbheleoaphbjbaiobfdepmghbfah",  // Pre-release Chrome Remote Desktop
264  "odkaodonbgfohohmklejpjiejmcipmib",  // Dogfood Chrome Remote Desktop
265  "ojoimpklfciegopdfgeenehpalipignm",  // Chromoting canary
266  "cbkkbcmdlboombapidmoeolnmdacpkch",  // see crbug.com/129089
267  "hhnbmknkdabfoieppbbljkhkfjcmcbjh",  // see crbug.com/134099
268  "mablfbjkhmhkmefkjjacnbaikjkipphg",  // see crbug.com/134099
269  "pdeelgamlgannhelgoegilelnnojegoh",  // see crbug.com/134099
270  "cabapfdbkniadpollkckdnedaanlciaj",  // see crbug.com/134099
271  "mapljbgnjledlpdmlchihnmeclmefbba",  // see crbug.com/134099
272  "ghbfeebgmiidnnmeobbbaiamklmpbpii",  // see crbug.com/134099
273  "jdfhpkjeckflbbleddjlpimecpbjdeep",  // see crbug.com/142514
274  "iabmpiboiopbgfabjmgeedhcmjenhbla",  // see crbug.com/165080
275  "B7CF8A292249681AF81771650BA4CEEAF19A4560",  // see crbug.com/165080
276  "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
277  "4EB74897CB187C7633357C2FE832E0AD6A44883A",  // see crbug.com/234789
278  "7525AF4F66763A70A883C4700529F647B470E4D2",  // see crbug.com/238084
279  "0B549507088E1564D672F7942EB87CA4DAD73972",  // see crbug.com/238084
280  "864288364E239573E777D3E0E36864E590E95C74"   // see crbug.com/238084
281};
282#endif
283
284// Returns a copy of the given url with its host set to given host and path set
285// to given path. Other parts of the url will be the same.
286GURL ReplaceURLHostAndPath(const GURL& url,
287                           const std::string& host,
288                           const std::string& path) {
289  url_canon::Replacements<char> replacements;
290  replacements.SetHost(host.c_str(),
291                       url_parse::Component(0, host.length()));
292  replacements.SetPath(path.c_str(),
293                       url_parse::Component(0, path.length()));
294  return url.ReplaceComponents(replacements);
295}
296
297// Maps "foo://bar/baz/" to "foo://chrome/bar/baz/".
298GURL AddUberHost(const GURL& url) {
299  const std::string uber_host = chrome::kChromeUIUberHost;
300  const std::string new_path = url.host() + url.path();
301
302  return ReplaceURLHostAndPath(url, uber_host, new_path);
303}
304
305// If url->host() is "chrome" and url->path() has characters other than the
306// first slash, changes the url from "foo://chrome/bar/" to "foo://bar/" and
307// returns true. Otherwise returns false.
308bool RemoveUberHost(GURL* url) {
309  if (url->host() != chrome::kChromeUIUberHost)
310    return false;
311
312  if (url->path().empty() || url->path() == "/")
313    return false;
314
315  const std::string old_path = url->path();
316
317  const std::string::size_type separator = old_path.find('/', 1);
318  std::string new_host;
319  std::string new_path;
320  if (separator == std::string::npos) {
321    new_host = old_path.substr(1);
322  } else {
323    new_host = old_path.substr(1, separator - 1);
324    new_path = old_path.substr(separator);
325  }
326
327  // Do not allow URLs with paths empty before the first slash since we can't
328  // have an empty host. (e.g "foo://chrome//")
329  if (new_host.empty())
330    return false;
331
332  *url = ReplaceURLHostAndPath(*url, new_host, new_path);
333
334  DCHECK(url->is_valid());
335
336  return true;
337}
338
339// Handles rewriting Web UI URLs.
340bool HandleWebUI(GURL* url, content::BrowserContext* browser_context) {
341  // Do not handle special URLs such as "about:foo"
342  if (!url->host().empty()) {
343    const GURL chrome_url = AddUberHost(*url);
344
345    // Handle valid "chrome://chrome/foo" URLs so the reverse handler will
346    // be called.
347    if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
348            browser_context, chrome_url))
349      return true;
350  }
351
352  if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
353          browser_context, *url))
354    return false;
355
356#if defined(OS_CHROMEOS)
357  // Special case : in ChromeOS in Guest mode bookmarks and history are
358  // disabled for security reasons. New tab page explains the reasons, so
359  // we redirect user to new tab page.
360  if (chromeos::UserManager::Get()->IsLoggedInAsGuest()) {
361    if (url->SchemeIs(chrome::kChromeUIScheme) &&
362        (url->DomainIs(chrome::kChromeUIBookmarksHost) ||
363         url->DomainIs(chrome::kChromeUIHistoryHost))) {
364      // Rewrite with new tab URL
365      *url = GURL(chrome::kChromeUINewTabURL);
366    }
367  }
368#endif
369
370  // Special case the new tab page. In older versions of Chrome, the new tab
371  // page was hosted at chrome-internal:<blah>. This might be in people's saved
372  // sessions or bookmarks, so we say any URL with that scheme triggers the new
373  // tab page.
374  if (url->SchemeIs(chrome::kChromeInternalScheme)) {
375    // Rewrite it with the proper new tab URL.
376    *url = GURL(chrome::kChromeUINewTabURL);
377  }
378
379  return true;
380}
381
382// Reverse URL handler for Web UI. Maps "chrome://chrome/foo/" to
383// "chrome://foo/".
384bool HandleWebUIReverse(GURL* url, content::BrowserContext* browser_context) {
385  if (!url->is_valid() || !url->SchemeIs(chrome::kChromeUIScheme))
386    return false;
387
388  return RemoveUberHost(url);
389}
390
391// Used by the GetPrivilegeRequiredByUrl() and GetProcessPrivilege() functions
392// below.  Extension, and isolated apps require different privileges to be
393// granted to their RenderProcessHosts.  This classification allows us to make
394// sure URLs are served by hosts with the right set of privileges.
395enum RenderProcessHostPrivilege {
396  PRIV_NORMAL,
397  PRIV_HOSTED,
398  PRIV_ISOLATED,
399  PRIV_EXTENSION,
400};
401
402RenderProcessHostPrivilege GetPrivilegeRequiredByUrl(
403    const GURL& url,
404    ExtensionService* service) {
405  // Default to a normal renderer cause it is lower privileged. This should only
406  // occur if the URL on a site instance is either malformed, or uninitialized.
407  // If it is malformed, then there is no need for better privileges anyways.
408  // If it is uninitialized, but eventually settles on being an a scheme other
409  // than normal webrenderer, the navigation logic will correct us out of band
410  // anyways.
411  if (!url.is_valid())
412    return PRIV_NORMAL;
413
414  if (url.SchemeIs(extensions::kExtensionScheme)) {
415    const Extension* extension =
416        service->extensions()->GetByID(url.host());
417    if (extension &&
418        extensions::AppIsolationInfo::HasIsolatedStorage(extension))
419      return PRIV_ISOLATED;
420    if (extension && extension->is_hosted_app())
421      return PRIV_HOSTED;
422
423    return PRIV_EXTENSION;
424  }
425
426  return PRIV_NORMAL;
427}
428
429RenderProcessHostPrivilege GetProcessPrivilege(
430    content::RenderProcessHost* process_host,
431    extensions::ProcessMap* process_map,
432    ExtensionService* service) {
433  std::set<std::string> extension_ids =
434      process_map->GetExtensionsInProcess(process_host->GetID());
435  if (extension_ids.empty())
436    return PRIV_NORMAL;
437
438  for (std::set<std::string>::iterator iter = extension_ids.begin();
439       iter != extension_ids.end(); ++iter) {
440    const Extension* extension = service->GetExtensionById(*iter, false);
441    if (extension &&
442        extensions::AppIsolationInfo::HasIsolatedStorage(extension))
443      return PRIV_ISOLATED;
444    if (extension && extension->is_hosted_app())
445      return PRIV_HOSTED;
446  }
447
448  return PRIV_EXTENSION;
449}
450
451bool CertMatchesFilter(const net::X509Certificate& cert,
452                       const base::DictionaryValue& filter) {
453  // TODO(markusheintz): This is the minimal required filter implementation.
454  // Implement a better matcher.
455
456  // An empty filter matches any client certificate since no requirements are
457  // specified at all.
458  if (filter.empty())
459    return true;
460
461  std::string common_name;
462  if (filter.GetString("ISSUER.CN", &common_name) &&
463      (cert.issuer().common_name == common_name)) {
464    return true;
465  }
466  return false;
467}
468
469// Fills |map| with the per-script font prefs under path |map_name|.
470void FillFontFamilyMap(const PrefService* prefs,
471                       const char* map_name,
472                       webkit_glue::ScriptFontFamilyMap* map) {
473  for (size_t i = 0; i < prefs::kWebKitScriptsForFontFamilyMapsLength; ++i) {
474    const char* script = prefs::kWebKitScriptsForFontFamilyMaps[i];
475    std::string pref_name = base::StringPrintf("%s.%s", map_name, script);
476    std::string font_family = prefs->GetString(pref_name.c_str());
477    if (!font_family.empty())
478      (*map)[script] = UTF8ToUTF16(font_family);
479  }
480}
481
482#if defined(OS_POSIX) && !defined(OS_MACOSX)
483int GetCrashSignalFD(const CommandLine& command_line) {
484  if (command_line.HasSwitch(switches::kExtensionProcess)) {
485    ExtensionCrashHandlerHostLinux* crash_handler =
486        ExtensionCrashHandlerHostLinux::GetInstance();
487    return crash_handler->GetDeathSignalSocket();
488  }
489
490  std::string process_type =
491      command_line.GetSwitchValueASCII(switches::kProcessType);
492
493  if (process_type == switches::kRendererProcess)
494    return RendererCrashHandlerHostLinux::GetInstance()->GetDeathSignalSocket();
495
496  if (process_type == switches::kPluginProcess)
497    return PluginCrashHandlerHostLinux::GetInstance()->GetDeathSignalSocket();
498
499  if (process_type == switches::kPpapiPluginProcess)
500    return PpapiCrashHandlerHostLinux::GetInstance()->GetDeathSignalSocket();
501
502  if (process_type == switches::kGpuProcess)
503    return GpuCrashHandlerHostLinux::GetInstance()->GetDeathSignalSocket();
504
505  return -1;
506}
507#endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
508
509#if !defined(OS_CHROMEOS)
510GURL GetEffectiveURLForSignin(const GURL& url) {
511  CHECK(SigninManager::IsWebBasedSigninFlowURL(url));
512
513  GURL effective_url(SigninManager::kChromeSigninEffectiveSite);
514  // Copy the path because the argument to SetPathStr must outlive
515  // the Replacements object.
516  const std::string path_copy(url.path());
517  GURL::Replacements replacements;
518  replacements.SetPathStr(path_copy);
519  effective_url = effective_url.ReplaceComponents(replacements);
520  return effective_url;
521}
522#endif
523
524void SetApplicationLocaleOnIOThread(const std::string& locale) {
525  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
526  g_io_thread_application_locale.Get() = locale;
527}
528
529void HandleBlockedPopupOnUIThread(const BlockedWindowParams& params) {
530  WebContents* tab = tab_util::GetWebContentsByID(params.render_process_id(),
531                                                  params.opener_id());
532  if (!tab)
533    return;
534
535  PopupBlockerTabHelper* popup_helper =
536      PopupBlockerTabHelper::FromWebContents(tab);
537  if (!popup_helper)
538    return;
539  popup_helper->AddBlockedPopup(params);
540}
541
542#if defined(OS_ANDROID)
543void HandleSingleTabModeBlockOnUIThread(const BlockedWindowParams& params) {
544  WebContents* web_contents =
545      tab_util::GetWebContentsByID(params.render_process_id(),
546                                   params.opener_id());
547  if (!web_contents)
548    return;
549
550  SingleTabModeTabHelper::FromWebContents(web_contents)->HandleOpenUrl(params);
551}
552#endif  // defined(OS_ANDROID)
553
554}  // namespace
555
556namespace chrome {
557
558ChromeContentBrowserClient::ChromeContentBrowserClient() {
559#if defined(ENABLE_PLUGINS)
560  for (size_t i = 0; i < arraysize(kPredefinedAllowedSocketOrigins); ++i)
561    allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
562#endif
563
564  permissions_policy_delegate_.reset(
565      new extensions::BrowserPermissionsPolicyDelegate());
566}
567
568ChromeContentBrowserClient::~ChromeContentBrowserClient() {
569}
570
571// static
572void ChromeContentBrowserClient::RegisterProfilePrefs(
573    user_prefs::PrefRegistrySyncable* registry) {
574  registry->RegisterBooleanPref(
575      prefs::kDisable3DAPIs,
576      false,
577      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
578  registry->RegisterBooleanPref(
579      prefs::kEnableHyperlinkAuditing,
580      true,
581      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
582  registry->RegisterBooleanPref(
583      prefs::kEnableMemoryInfo,
584      false,
585      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
586}
587
588// static
589void ChromeContentBrowserClient::SetApplicationLocale(
590    const std::string& locale) {
591  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
592
593  // This object is guaranteed to outlive all threads so we don't have to
594  // worry about the lack of refcounting and can just post as Unretained.
595  //
596  // The common case is that this function is called early in Chrome startup
597  // before any threads are created (it will also be called later if the user
598  // changes the pref). In this case, there will be no threads created and
599  // posting will fail. When there are no threads, we can just set the string
600  // without worrying about threadsafety.
601  if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
602          base::Bind(&SetApplicationLocaleOnIOThread, locale))) {
603    g_io_thread_application_locale.Get() = locale;
604  }
605}
606
607content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
608    const content::MainFunctionParams& parameters) {
609  ChromeBrowserMainParts* main_parts;
610  // Construct the Main browser parts based on the OS type.
611#if defined(OS_WIN)
612  main_parts = new ChromeBrowserMainPartsWin(parameters);
613#elif defined(OS_MACOSX)
614  main_parts = new ChromeBrowserMainPartsMac(parameters);
615#elif defined(OS_CHROMEOS)
616  main_parts = new chromeos::ChromeBrowserMainPartsChromeos(parameters);
617#elif defined(OS_LINUX)
618  main_parts = new ChromeBrowserMainPartsLinux(parameters);
619#elif defined(OS_ANDROID)
620  main_parts = new ChromeBrowserMainPartsAndroid(parameters);
621#elif defined(OS_POSIX)
622  main_parts = new ChromeBrowserMainPartsPosix(parameters);
623#else
624  NOTREACHED();
625  main_parts = new ChromeBrowserMainParts(parameters);
626#endif
627
628  chrome::AddProfilesExtraParts(main_parts);
629
630  // Construct additional browser parts. Stages are called in the order in
631  // which they are added.
632#if defined(TOOLKIT_GTK)
633  main_parts->AddParts(new ChromeBrowserMainExtraPartsGtk());
634#endif
635
636#if defined(TOOLKIT_VIEWS)
637  main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
638#endif
639
640#if defined(USE_ASH)
641  main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
642#endif
643
644#if defined(USE_AURA)
645  main_parts->AddParts(new ChromeBrowserMainExtraPartsAura());
646#endif
647
648#if defined(USE_X11)
649  main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
650#endif
651
652  chrome::AddMetricsExtraParts(main_parts);
653
654  return main_parts;
655}
656
657std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
658    content::BrowserContext* browser_context,
659    const GURL& site) {
660  std::string partition_id;
661
662  // The partition ID for webview guest processes is the string value of its
663  // SiteInstance URL - "chrome-guest://app_id/persist?partition".
664  if (site.SchemeIs(chrome::kGuestScheme))
665    partition_id = site.spec();
666
667  DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
668  return partition_id;
669}
670
671bool ChromeContentBrowserClient::IsValidStoragePartitionId(
672    content::BrowserContext* browser_context,
673    const std::string& partition_id) {
674  // The default ID is empty and is always valid.
675  if (partition_id.empty())
676    return true;
677
678  return GURL(partition_id).is_valid();
679}
680
681void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
682    content::BrowserContext* browser_context,
683    const GURL& site,
684    bool can_be_default,
685    std::string* partition_domain,
686    std::string* partition_name,
687    bool* in_memory) {
688  // Default to the browser-wide storage partition and override based on |site|
689  // below.
690  partition_domain->clear();
691  partition_name->clear();
692  *in_memory = false;
693
694  // For the webview tag, we create special guest processes, which host the
695  // tag content separately from the main application that embeds the tag.
696  // A webview tag can specify both the partition name and whether the storage
697  // for that partition should be persisted. Each tag gets a SiteInstance with
698  // a specially formatted URL, based on the application it is hosted by and
699  // the partition requested by it. The format for that URL is:
700  // chrome-guest://partition_domain/persist?partition_name
701  if (site.SchemeIs(chrome::kGuestScheme)) {
702    // Since guest URLs are only used for packaged apps, there must be an app
703    // id in the URL.
704    CHECK(site.has_host());
705    *partition_domain = site.host();
706    // Since persistence is optional, the path must either be empty or the
707    // literal string.
708    *in_memory = (site.path() != "/persist");
709    // The partition name is user supplied value, which we have encoded when the
710    // URL was created, so it needs to be decoded.
711    *partition_name = net::UnescapeURLComponent(site.query(),
712                                                net::UnescapeRule::NORMAL);
713  } else if (site.SchemeIs(extensions::kExtensionScheme)) {
714    // If |can_be_default| is false, the caller is stating that the |site|
715    // should be parsed as if it had isolated storage. In particular it is
716    // important to NOT check ExtensionService for the is_storage_isolated()
717    // attribute because this code path is run during Extension uninstall
718    // to do cleanup after the Extension has already been unloaded from the
719    // ExtensionService.
720    bool is_isolated = !can_be_default;
721    if (can_be_default) {
722      const Extension* extension = NULL;
723      Profile* profile = Profile::FromBrowserContext(browser_context);
724      ExtensionService* extension_service =
725          extensions::ExtensionSystem::Get(profile)->extension_service();
726      if (extension_service) {
727        extension =
728            extension_service->extensions()->GetExtensionOrAppByURL(site);
729        if (extension &&
730            extensions::AppIsolationInfo::HasIsolatedStorage(extension)) {
731          is_isolated = true;
732        }
733      }
734    }
735
736    if (is_isolated) {
737      CHECK(site.has_host());
738      // For extensions with isolated storage, the the host of the |site| is
739      // the |partition_domain|. The |in_memory| and |partition_name| are only
740      // used in guest schemes so they are cleared here.
741      *partition_domain = site.host();
742      *in_memory = false;
743      partition_name->clear();
744    }
745  }
746
747  // Assert that if |can_be_default| is false, the code above must have found a
748  // non-default partition.  If this fails, the caller has a serious logic
749  // error about which StoragePartition they expect to be in and it is not
750  // safe to continue.
751  CHECK(can_be_default || !partition_domain->empty());
752}
753
754content::WebContentsViewDelegate*
755    ChromeContentBrowserClient::GetWebContentsViewDelegate(
756        content::WebContents* web_contents) {
757  return chrome::CreateWebContentsViewDelegate(web_contents);
758}
759
760void ChromeContentBrowserClient::GuestWebContentsCreated(
761    WebContents* guest_web_contents,
762    WebContents* opener_web_contents,
763    content::BrowserPluginGuestDelegate** guest_delegate,
764    scoped_ptr<base::DictionaryValue> extra_params) {
765  if (opener_web_contents) {
766    GuestView* guest = GuestView::FromWebContents(opener_web_contents);
767    if (!guest) {
768      NOTREACHED();
769      return;
770    }
771
772    // Create a new GuestView of the same type as the opener.
773    *guest_delegate =
774        GuestView::Create(guest_web_contents, guest->GetViewType());
775    return;
776  }
777
778  if (!extra_params) {
779    NOTREACHED();
780    return;
781  }
782  std::string api_type;
783  extra_params->GetString(guestview::kParameterApi, &api_type);
784
785  *guest_delegate =
786      GuestView::Create(guest_web_contents,
787                        GuestView::GetViewTypeFromString(api_type));
788}
789
790void ChromeContentBrowserClient::GuestWebContentsAttached(
791    WebContents* guest_web_contents,
792    WebContents* embedder_web_contents,
793    const base::DictionaryValue& extra_params) {
794  Profile* profile = Profile::FromBrowserContext(
795      embedder_web_contents->GetBrowserContext());
796  ExtensionService* service =
797      extensions::ExtensionSystem::Get(profile)->extension_service();
798  if (!service) {
799    NOTREACHED();
800    return;
801  }
802  const GURL& url = embedder_web_contents->GetSiteInstance()->GetSiteURL();
803  const Extension* extension =
804      service->extensions()->GetExtensionOrAppByURL(url);
805  if (!extension) {
806    // It's ok to return here, since we could be running a browser plugin
807    // outside an extension, and don't need to attach a
808    // BrowserPluginGuestDelegate in that case;
809    // e.g. running with flag --enable-browser-plugin-for-all-view-types.
810    return;
811  }
812
813  GuestView* guest = GuestView::FromWebContents(guest_web_contents);
814  if (!guest) {
815    NOTREACHED();
816    return;
817  }
818  guest->Attach(embedder_web_contents, extension->id(), extra_params);
819}
820
821void ChromeContentBrowserClient::RenderProcessHostCreated(
822    content::RenderProcessHost* host) {
823  int id = host->GetID();
824  Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
825  net::URLRequestContextGetter* context =
826      profile->GetRequestContextForRenderProcess(id);
827
828  host->GetChannel()->AddFilter(new ChromeRenderMessageFilter(
829      id, profile, context));
830#if defined(ENABLE_PLUGINS)
831  host->GetChannel()->AddFilter(new PluginInfoMessageFilter(id, profile));
832#endif
833#if defined(ENABLE_PRINTING)
834  host->GetChannel()->AddFilter(new PrintingMessageFilter(id, profile));
835#endif
836  host->GetChannel()->AddFilter(
837      new SearchProviderInstallStateMessageFilter(id, profile));
838#if defined(ENABLE_SPELLCHECK)
839  host->GetChannel()->AddFilter(new SpellCheckMessageFilter(id));
840#endif
841#if defined(OS_MACOSX)
842  host->GetChannel()->AddFilter(new SpellCheckMessageFilterMac(id));
843#endif
844  host->GetChannel()->AddFilter(new ChromeNetBenchmarkingMessageFilter(
845      id, profile, context));
846  host->GetChannel()->AddFilter(
847      new prerender::PrerenderMessageFilter(id, profile));
848  host->GetChannel()->AddFilter(new ValidationMessageMessageFilter(id));
849  host->GetChannel()->AddFilter(new TtsMessageFilter(id, profile));
850#if defined(ENABLE_WEBRTC)
851  host->GetChannel()->AddFilter(new WebRtcLoggingHandlerHost());
852#endif
853#if !defined(DISABLE_NACL)
854  ExtensionInfoMap* extension_info_map =
855      extensions::ExtensionSystem::Get(profile)->info_map();
856  host->GetChannel()->AddFilter(new NaClHostMessageFilter(
857      id, profile->IsOffTheRecord(),
858      profile->GetPath(), extension_info_map,
859      context));
860#endif
861#if defined(OS_ANDROID)
862  host->GetChannel()->AddFilter(new EncryptedMediaMessageFilterAndroid());
863#endif
864
865  host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
866      profile->IsOffTheRecord()));
867
868  SendExtensionWebRequestStatusToHost(host);
869
870  RendererContentSettingRules rules;
871  GetRendererContentSettingRules(profile->GetHostContentSettingsMap(), &rules);
872  host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
873}
874
875GURL ChromeContentBrowserClient::GetEffectiveURL(
876    content::BrowserContext* browser_context, const GURL& url) {
877  Profile* profile = Profile::FromBrowserContext(browser_context);
878  if (!profile)
879    return url;
880
881  // If the input |url| should be assigned to the Instant renderer, make its
882  // effective URL distinct from other URLs on the search provider's domain.
883  if (chrome::ShouldAssignURLToInstantRenderer(url, profile))
884    return chrome::GetEffectiveURLForInstant(url, profile);
885
886#if !defined(OS_CHROMEOS)
887  // If the input |url| should be assigned to the Signin renderer, make its
888  // effective URL distinct from other URLs on the signin service's domain.
889  // Note that the signin renderer will be allowed to sign the user in to
890  // Chrome.
891  if (SigninManager::IsWebBasedSigninFlowURL(url))
892    return GetEffectiveURLForSignin(url);
893#endif
894
895  // If the input |url| is part of an installed app, the effective URL is an
896  // extension URL with the ID of that extension as the host. This has the
897  // effect of grouping apps together in a common SiteInstance.
898  ExtensionService* extension_service =
899      extensions::ExtensionSystem::Get(profile)->extension_service();
900  if (!extension_service)
901    return url;
902
903  const Extension* extension = extension_service->extensions()->
904      GetHostedAppByURL(url);
905  if (!extension)
906    return url;
907
908  // Bookmark apps do not use the hosted app process model, and should be
909  // treated as normal URLs.
910  if (extension->from_bookmark())
911    return url;
912
913  // If the URL is part of an extension's web extent, convert it to an
914  // extension URL.
915  return extension->GetResourceURL(url.path());
916}
917
918bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
919    content::BrowserContext* browser_context, const GURL& effective_url) {
920  // Non-extension, non-Instant URLs should generally use
921  // process-per-site-instance.  Because we expect to use the effective URL,
922  // URLs for hosted apps (apart from bookmark apps) should have an extension
923  // scheme by now.
924
925  Profile* profile = Profile::FromBrowserContext(browser_context);
926  if (!profile)
927    return false;
928
929  if (chrome::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
930    return true;
931
932#if !defined(OS_CHROMEOS)
933  if (SigninManager::IsWebBasedSigninFlowURL(effective_url))
934    return true;
935#endif
936
937  if (!effective_url.SchemeIs(extensions::kExtensionScheme))
938    return false;
939
940  ExtensionService* extension_service =
941      extensions::ExtensionSystem::Get(profile)->extension_service();
942  if (!extension_service)
943    return false;
944
945  const Extension* extension =
946      extension_service->extensions()->GetExtensionOrAppByURL(effective_url);
947  if (!extension)
948    return false;
949
950  // If the URL is part of a hosted app that does not have the background
951  // permission, or that does not allow JavaScript access to the background
952  // page, we want to give each instance its own process to improve
953  // responsiveness.
954  if (extension->GetType() == Manifest::TYPE_HOSTED_APP) {
955    if (!extension->HasAPIPermission(APIPermission::kBackground) ||
956        !extensions::BackgroundInfo::AllowJSAccess(extension)) {
957      return false;
958    }
959  }
960
961  // Hosted apps that have script access to their background page must use
962  // process per site, since all instances can make synchronous calls to the
963  // background window.  Other extensions should use process per site as well.
964  return true;
965}
966
967// These are treated as WebUI schemes but do not get WebUI bindings.
968void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
969    std::vector<std::string>* additional_schemes) {
970  additional_schemes->push_back(chrome::kChromeSearchScheme);
971}
972
973net::URLRequestContextGetter*
974ChromeContentBrowserClient::CreateRequestContext(
975    content::BrowserContext* browser_context,
976    content::ProtocolHandlerMap* protocol_handlers) {
977  Profile* profile = Profile::FromBrowserContext(browser_context);
978  return profile->CreateRequestContext(protocol_handlers);
979}
980
981net::URLRequestContextGetter*
982ChromeContentBrowserClient::CreateRequestContextForStoragePartition(
983    content::BrowserContext* browser_context,
984    const base::FilePath& partition_path,
985    bool in_memory,
986    content::ProtocolHandlerMap* protocol_handlers) {
987  Profile* profile = Profile::FromBrowserContext(browser_context);
988  return profile->CreateRequestContextForStoragePartition(
989      partition_path, in_memory, protocol_handlers);
990}
991
992bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
993  return ProfileIOData::IsHandledURL(url);
994}
995
996bool ChromeContentBrowserClient::CanCommitURL(
997    content::RenderProcessHost* process_host,
998    const GURL& url) {
999  // We need to let most extension URLs commit in any process, since this can
1000  // be allowed due to web_accessible_resources.  Most hosted app URLs may also
1001  // load in any process (e.g., in an iframe).  However, the Chrome Web Store
1002  // cannot be loaded in iframes and should never be requested outside its
1003  // process.
1004  Profile* profile =
1005      Profile::FromBrowserContext(process_host->GetBrowserContext());
1006  ExtensionService* service =
1007      extensions::ExtensionSystem::Get(profile)->extension_service();
1008  if (!service)
1009    return true;
1010  const Extension* new_extension =
1011      service->extensions()->GetExtensionOrAppByURL(url);
1012  if (new_extension &&
1013      new_extension->is_hosted_app() &&
1014      new_extension->id() == extension_misc::kWebStoreAppId &&
1015      !service->process_map()->Contains(new_extension->id(),
1016                                        process_host->GetID())) {
1017    return false;
1018  }
1019
1020  return true;
1021}
1022
1023bool ChromeContentBrowserClient::ShouldAllowOpenURL(
1024    content::SiteInstance* site_instance, const GURL& url) {
1025  GURL from_url = site_instance->GetSiteURL();
1026  // Do not allow pages from the web or other extensions navigate to
1027  // non-web-accessible extension resources.
1028  if (url.SchemeIs(extensions::kExtensionScheme) &&
1029      (from_url.SchemeIsHTTPOrHTTPS() ||
1030          from_url.SchemeIs(extensions::kExtensionScheme))) {
1031    Profile* profile = Profile::FromBrowserContext(
1032        site_instance->GetProcess()->GetBrowserContext());
1033    ExtensionService* service =
1034        extensions::ExtensionSystem::Get(profile)->extension_service();
1035    if (!service)
1036      return true;
1037    const Extension* extension =
1038        service->extensions()->GetExtensionOrAppByURL(url);
1039    if (!extension)
1040      return true;
1041    const Extension* from_extension =
1042        service->extensions()->GetExtensionOrAppByURL(
1043            site_instance->GetSiteURL());
1044    if (from_extension && from_extension->id() == extension->id())
1045      return true;
1046
1047    if (!extensions::WebAccessibleResourcesInfo::IsResourceWebAccessible(
1048            extension, url.path()))
1049      return false;
1050  }
1051  return true;
1052}
1053
1054bool ChromeContentBrowserClient::IsSuitableHost(
1055    content::RenderProcessHost* process_host,
1056    const GURL& site_url) {
1057  Profile* profile =
1058      Profile::FromBrowserContext(process_host->GetBrowserContext());
1059  // This may be NULL during tests. In that case, just assume any site can
1060  // share any host.
1061  if (!profile)
1062    return true;
1063
1064  // Instant URLs should only be in the instant process and instant process
1065  // should only have Instant URLs.
1066  InstantService* instant_service =
1067      InstantServiceFactory::GetForProfile(profile);
1068  if (instant_service) {
1069    bool is_instant_process = instant_service->IsInstantProcess(
1070        process_host->GetID());
1071    bool should_be_in_instant_process =
1072        chrome::ShouldAssignURLToInstantRenderer(site_url, profile);
1073    if (is_instant_process || should_be_in_instant_process)
1074      return is_instant_process && should_be_in_instant_process;
1075  }
1076
1077#if !defined(OS_CHROMEOS)
1078  SigninManager* signin_manager = SigninManagerFactory::GetForProfile(profile);
1079  if (signin_manager && signin_manager->IsSigninProcess(process_host->GetID()))
1080    return SigninManager::IsWebBasedSigninFlowURL(site_url);
1081#endif
1082
1083  ExtensionService* service =
1084      extensions::ExtensionSystem::Get(profile)->extension_service();
1085  extensions::ProcessMap* process_map = service->process_map();
1086
1087  // Don't allow the Task Manager to share a process with anything else.
1088  // Otherwise it can affect the renderers it is observing.
1089  // Note: we could create another RenderProcessHostPrivilege bucket for
1090  // this to allow multiple chrome://tasks instances to share, but that's
1091  // a very unlikely case without serious consequences.
1092  if (site_url.GetOrigin() == GURL(chrome::kChromeUITaskManagerURL).GetOrigin())
1093    return false;
1094
1095  // These may be NULL during tests. In that case, just assume any site can
1096  // share any host.
1097  if (!service || !process_map)
1098    return true;
1099
1100  // Otherwise, just make sure the process privilege matches the privilege
1101  // required by the site.
1102  RenderProcessHostPrivilege privilege_required =
1103      GetPrivilegeRequiredByUrl(site_url, service);
1104  return GetProcessPrivilege(process_host, process_map, service) ==
1105      privilege_required;
1106}
1107
1108// This function is trying to limit the amount of processes used by extensions
1109// with background pages. It uses a globally set percentage of processes to
1110// run such extensions and if the limit is exceeded, it returns true, to
1111// indicate to the content module to group extensions together.
1112bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
1113    content::BrowserContext* browser_context, const GURL& url) {
1114  // It has to be a valid URL for us to check for an extension.
1115  if (!url.is_valid())
1116    return false;
1117
1118  Profile* profile = Profile::FromBrowserContext(browser_context);
1119  ExtensionService* service = !profile ? NULL :
1120      extensions::ExtensionSystem::Get(profile)->extension_service();
1121  if (!service)
1122    return false;
1123
1124  // We have to have a valid extension with background page to proceed.
1125  const Extension* extension =
1126      service->extensions()->GetExtensionOrAppByURL(url);
1127  if (!extension)
1128    return false;
1129  if (!extensions::BackgroundInfo::HasBackgroundPage(extension))
1130    return false;
1131
1132  std::set<int> process_ids;
1133  size_t max_process_count =
1134      content::RenderProcessHost::GetMaxRendererProcessCount();
1135
1136  // Go through all profiles to ensure we have total count of extension
1137  // processes containing background pages, otherwise one profile can
1138  // starve the other.
1139  std::vector<Profile*> profiles = g_browser_process->profile_manager()->
1140      GetLoadedProfiles();
1141  for (size_t i = 0; i < profiles.size(); ++i) {
1142    ExtensionProcessManager* epm =
1143        extensions::ExtensionSystem::Get(profiles[i])->process_manager();
1144    for (ExtensionProcessManager::const_iterator iter =
1145             epm->background_hosts().begin();
1146         iter != epm->background_hosts().end(); ++iter) {
1147      const extensions::ExtensionHost* host = *iter;
1148      process_ids.insert(host->render_process_host()->GetID());
1149    }
1150  }
1151
1152  if (process_ids.size() >
1153      (max_process_count * chrome::kMaxShareOfExtensionProcesses)) {
1154    return true;
1155  }
1156
1157  return false;
1158}
1159
1160void ChromeContentBrowserClient::SiteInstanceGotProcess(
1161    SiteInstance* site_instance) {
1162  CHECK(site_instance->HasProcess());
1163
1164  Profile* profile = Profile::FromBrowserContext(
1165      site_instance->GetBrowserContext());
1166  if (!profile)
1167    return;
1168
1169  // Remember the ID of the Instant process to signal the renderer process
1170  // on startup in |AppendExtraCommandLineSwitches| below.
1171  if (chrome::ShouldAssignURLToInstantRenderer(
1172          site_instance->GetSiteURL(), profile)) {
1173    InstantService* instant_service =
1174        InstantServiceFactory::GetForProfile(profile);
1175    if (instant_service)
1176      instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
1177  }
1178
1179#if !defined(OS_CHROMEOS)
1180  // We only expect there to be one signin process as we use process-per-site
1181  // for signin URLs. The signin process will be cleared from SigninManager
1182  // when the renderer is destroyed.
1183  if (SigninManager::IsWebBasedSigninFlowURL(site_instance->GetSiteURL())) {
1184    SigninManager* signin_manager =
1185        SigninManagerFactory::GetForProfile(profile);
1186    if (signin_manager)
1187      signin_manager->SetSigninProcess(site_instance->GetProcess()->GetID());
1188    BrowserThread::PostTask(
1189        BrowserThread::IO, FROM_HERE,
1190        base::Bind(&ExtensionInfoMap::SetSigninProcess,
1191                   extensions::ExtensionSystem::Get(profile)->info_map(),
1192                   site_instance->GetProcess()->GetID()));
1193  }
1194#endif
1195
1196  ExtensionService* service =
1197      extensions::ExtensionSystem::Get(profile)->extension_service();
1198  if (!service)
1199    return;
1200
1201  const Extension* extension = service->extensions()->GetExtensionOrAppByURL(
1202      site_instance->GetSiteURL());
1203  if (!extension)
1204    return;
1205
1206  service->process_map()->Insert(extension->id(),
1207                                 site_instance->GetProcess()->GetID(),
1208                                 site_instance->GetId());
1209  BrowserThread::PostTask(
1210      BrowserThread::IO, FROM_HERE,
1211      base::Bind(&ExtensionInfoMap::RegisterExtensionProcess,
1212                 extensions::ExtensionSystem::Get(profile)->info_map(),
1213                 extension->id(),
1214                 site_instance->GetProcess()->GetID(),
1215                 site_instance->GetId()));
1216}
1217
1218void ChromeContentBrowserClient::SiteInstanceDeleting(
1219    SiteInstance* site_instance) {
1220  if (!site_instance->HasProcess())
1221    return;
1222
1223  Profile* profile = Profile::FromBrowserContext(
1224      site_instance->GetBrowserContext());
1225  ExtensionService* service =
1226      extensions::ExtensionSystem::Get(profile)->extension_service();
1227  if (!service)
1228    return;
1229
1230  const Extension* extension = service->extensions()->GetExtensionOrAppByURL(
1231      site_instance->GetSiteURL());
1232  if (!extension)
1233    return;
1234
1235  service->process_map()->Remove(extension->id(),
1236                                 site_instance->GetProcess()->GetID(),
1237                                 site_instance->GetId());
1238  BrowserThread::PostTask(
1239      BrowserThread::IO, FROM_HERE,
1240      base::Bind(&ExtensionInfoMap::UnregisterExtensionProcess,
1241                 extensions::ExtensionSystem::Get(profile)->info_map(),
1242                 extension->id(),
1243                 site_instance->GetProcess()->GetID(),
1244                 site_instance->GetId()));
1245}
1246
1247bool ChromeContentBrowserClient::ShouldSwapProcessesForNavigation(
1248    SiteInstance* site_instance,
1249    const GURL& current_url,
1250    const GURL& new_url) {
1251  if (current_url.is_empty()) {
1252    // Always choose a new process when navigating to extension URLs. The
1253    // process grouping logic will combine all of a given extension's pages
1254    // into the same process.
1255    if (new_url.SchemeIs(extensions::kExtensionScheme))
1256      return true;
1257
1258    return false;
1259  }
1260
1261  // Also, we must switch if one is an extension and the other is not the exact
1262  // same extension.
1263  if (current_url.SchemeIs(extensions::kExtensionScheme) ||
1264      new_url.SchemeIs(extensions::kExtensionScheme)) {
1265    if (current_url.GetOrigin() != new_url.GetOrigin())
1266      return true;
1267  }
1268
1269  // The checks below only matter if we can retrieve which extensions are
1270  // installed.
1271  Profile* profile =
1272      Profile::FromBrowserContext(site_instance->GetBrowserContext());
1273  ExtensionService* service =
1274      extensions::ExtensionSystem::Get(profile)->extension_service();
1275  if (!service)
1276    return false;
1277
1278  // We must swap if the URL is for an extension and we are not using an
1279  // extension process.
1280  const Extension* new_extension =
1281      service->extensions()->GetExtensionOrAppByURL(new_url);
1282  // Ignore all hosted apps except the Chrome Web Store, since they do not
1283  // require their own BrowsingInstance (e.g., postMessage is ok).
1284  if (new_extension &&
1285      new_extension->is_hosted_app() &&
1286      new_extension->id() != extension_misc::kWebStoreAppId)
1287    new_extension = NULL;
1288  if (new_extension &&
1289      site_instance->HasProcess() &&
1290      !service->process_map()->Contains(new_extension->id(),
1291                                        site_instance->GetProcess()->GetID()))
1292    return true;
1293
1294  return false;
1295}
1296
1297bool ChromeContentBrowserClient::ShouldSwapProcessesForRedirect(
1298    content::ResourceContext* resource_context, const GURL& current_url,
1299    const GURL& new_url) {
1300  ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context);
1301  return extensions::CrossesExtensionProcessBoundary(
1302      io_data->GetExtensionInfoMap()->extensions(),
1303      current_url, new_url, false);
1304}
1305
1306bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
1307  return !url.SchemeIs(chrome::kChromeNativeScheme);
1308}
1309
1310std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
1311    const std::string& alias_name) {
1312  return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
1313}
1314
1315void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
1316    CommandLine* command_line, int child_process_id) {
1317#if defined(OS_MACOSX)
1318  if (IsCrashReporterEnabled()) {
1319    command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1320                                    child_process_logging::GetClientId());
1321  }
1322#elif defined(OS_POSIX)
1323  if (IsCrashReporterEnabled()) {
1324    command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1325        child_process_logging::GetClientId() + "," + base::GetLinuxDistro());
1326  }
1327
1328#endif  // OS_MACOSX
1329
1330  if (logging::DialogsAreSuppressed())
1331    command_line->AppendSwitch(switches::kNoErrorDialogs);
1332
1333  std::string process_type =
1334      command_line->GetSwitchValueASCII(switches::kProcessType);
1335  const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1336
1337  static const char* const kCommonSwitchNames[] = {
1338    switches::kChromeFrame,
1339    switches::kUserDataDir,  // Make logs go to the right file.
1340  };
1341  command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
1342                                 arraysize(kCommonSwitchNames));
1343
1344  if (process_type == switches::kRendererProcess) {
1345#if defined(OS_CHROMEOS)
1346    const std::string& login_profile =
1347        browser_command_line.GetSwitchValueASCII(
1348            chromeos::switches::kLoginProfile);
1349    if (!login_profile.empty())
1350      command_line->AppendSwitchASCII(
1351          chromeos::switches::kLoginProfile, login_profile);
1352#endif
1353
1354    content::RenderProcessHost* process =
1355        content::RenderProcessHost::FromID(child_process_id);
1356    if (process) {
1357      Profile* profile = Profile::FromBrowserContext(
1358          process->GetBrowserContext());
1359      ExtensionService* extension_service =
1360          extensions::ExtensionSystem::Get(profile)->extension_service();
1361      if (extension_service) {
1362        extensions::ProcessMap* process_map = extension_service->process_map();
1363        if (process_map && process_map->Contains(process->GetID()))
1364          command_line->AppendSwitch(switches::kExtensionProcess);
1365      }
1366
1367      PrefService* prefs = profile->GetPrefs();
1368      // Currently this pref is only registered if applied via a policy.
1369      if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
1370          prefs->GetBoolean(prefs::kDisable3DAPIs)) {
1371        // Turn this policy into a command line switch.
1372        command_line->AppendSwitch(switches::kDisable3DAPIs);
1373      }
1374
1375      // Disable client-side phishing detection in the renderer if it is
1376      // disabled in the Profile preferences or the browser process.
1377      if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
1378          !g_browser_process->safe_browsing_detection_service()) {
1379        command_line->AppendSwitch(
1380            switches::kDisableClientSidePhishingDetection);
1381      }
1382
1383      if (!prefs->GetBoolean(prefs::kPrintPreviewDisabled))
1384        command_line->AppendSwitch(switches::kRendererPrintPreview);
1385
1386      InstantService* instant_service =
1387          InstantServiceFactory::GetForProfile(profile);
1388      if (instant_service &&
1389          instant_service->IsInstantProcess(process->GetID()))
1390        command_line->AppendSwitch(switches::kInstantProcess);
1391
1392#if !defined(OS_CHROMEOS)
1393      SigninManager* signin_manager =
1394          SigninManagerFactory::GetForProfile(profile);
1395      if (signin_manager && signin_manager->IsSigninProcess(process->GetID()))
1396        command_line->AppendSwitch(switches::kSigninProcess);
1397#endif
1398    }
1399
1400    if (message_center::IsRichNotificationEnabled())
1401      command_line->AppendSwitch(switches::kDisableHTMLNotifications);
1402
1403    // Please keep this in alphabetical order.
1404    static const char* const kSwitchNames[] = {
1405      autofill::switches::kDisableInteractiveAutocomplete,
1406      autofill::switches::kEnableExperimentalFormFilling,
1407      autofill::switches::kEnableInteractiveAutocomplete,
1408      extensions::switches::kAllowLegacyExtensionManifests,
1409      extensions::switches::kAllowScriptingGallery,
1410      extensions::switches::kEnableExperimentalExtensionApis,
1411      extensions::switches::kExtensionsOnChromeURLs,
1412      switches::kAllowHTTPBackgroundPage,
1413      // TODO(victorhsieh): remove the following flag once we move PPAPI FileIO
1414      // to browser.
1415      switches::kAllowNaClFileHandleAPI,
1416      switches::kAppsCheckoutURL,
1417      switches::kAppsGalleryURL,
1418      switches::kCloudPrintServiceURL,
1419      switches::kDebugPrint,
1420      switches::kDisableBundledPpapiFlash,
1421      switches::kDisableExtensionsResourceWhitelist,
1422      switches::kDisablePnacl,
1423      switches::kDisableScriptedPrintThrottling,
1424      switches::kEnableAdview,
1425      switches::kEnableAdviewSrcAttribute,
1426      switches::kEnableAppWindowControls,
1427      switches::kEnableBenchmarking,
1428      switches::kEnableIPCFuzzing,
1429      switches::kEnableNaCl,
1430      switches::kEnableNetBenchmarking,
1431      switches::kEnablePasswordGeneration,
1432      switches::kEnableWatchdog,
1433      switches::kMemoryProfiling,
1434      switches::kMessageLoopHistogrammer,
1435      switches::kNoJsRandomness,
1436      switches::kPlaybackMode,
1437      switches::kPpapiFlashArgs,
1438      switches::kPpapiFlashInProcess,
1439      switches::kPpapiFlashPath,
1440      switches::kPpapiFlashVersion,
1441      switches::kProfilingAtStart,
1442      switches::kProfilingFile,
1443      switches::kProfilingFlush,
1444      switches::kRecordMode,
1445      switches::kSilentDumpOnDCHECK,
1446      switches::kSpdyProxyAuthOrigin,
1447      switches::kTranslateSecurityOrigin,
1448      switches::kWhitelistedExtensionID,
1449    };
1450
1451    command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1452                                   arraysize(kSwitchNames));
1453  } else if (process_type == switches::kUtilityProcess) {
1454    static const char* const kSwitchNames[] = {
1455      extensions::switches::kEnableExperimentalExtensionApis,
1456      extensions::switches::kExtensionsOnChromeURLs,
1457      switches::kAllowHTTPBackgroundPage,
1458      switches::kWhitelistedExtensionID,
1459    };
1460
1461    command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1462                                   arraysize(kSwitchNames));
1463  } else if (process_type == switches::kPluginProcess) {
1464    static const char* const kSwitchNames[] = {
1465#if defined(OS_CHROMEOS)
1466      chromeos::switches::kLoginProfile,
1467#endif
1468      switches::kMemoryProfiling,
1469      switches::kSilentDumpOnDCHECK,
1470    };
1471
1472    command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1473                                   arraysize(kSwitchNames));
1474  } else if (process_type == switches::kZygoteProcess) {
1475    static const char* const kSwitchNames[] = {
1476      // Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
1477      switches::kDisableBundledPpapiFlash,
1478      switches::kPpapiFlashInProcess,
1479      switches::kPpapiFlashPath,
1480      switches::kPpapiFlashVersion,
1481    };
1482
1483    command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1484                                   arraysize(kSwitchNames));
1485  } else if (process_type == switches::kGpuProcess) {
1486    // If --ignore-gpu-blacklist is passed in, don't send in crash reports
1487    // because GPU is expected to be unreliable.
1488    if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
1489        !command_line->HasSwitch(switches::kDisableBreakpad))
1490      command_line->AppendSwitch(switches::kDisableBreakpad);
1491  }
1492
1493  // The command line switch kEnableBenchmarking needs to be specified along
1494  // with the kEnableStatsTable switch to ensure that the stats table global
1495  // is initialized correctly.
1496  if (command_line->HasSwitch(switches::kEnableBenchmarking))
1497    DCHECK(command_line->HasSwitch(switches::kEnableStatsTable));
1498}
1499
1500std::string ChromeContentBrowserClient::GetApplicationLocale() {
1501  if (BrowserThread::CurrentlyOn(BrowserThread::IO))
1502    return g_io_thread_application_locale.Get();
1503  return g_browser_process->GetApplicationLocale();
1504}
1505
1506std::string ChromeContentBrowserClient::GetAcceptLangs(
1507    content::BrowserContext* context) {
1508  Profile* profile = Profile::FromBrowserContext(context);
1509  return profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
1510}
1511
1512gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
1513  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
1514  return rb.GetImageSkiaNamed(IDR_DEFAULT_FAVICON);
1515}
1516
1517bool ChromeContentBrowserClient::AllowAppCache(
1518    const GURL& manifest_url,
1519    const GURL& first_party,
1520    content::ResourceContext* context) {
1521  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1522  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1523  return io_data->GetCookieSettings()->
1524      IsSettingCookieAllowed(manifest_url, first_party);
1525}
1526
1527bool ChromeContentBrowserClient::AllowGetCookie(
1528    const GURL& url,
1529    const GURL& first_party,
1530    const net::CookieList& cookie_list,
1531    content::ResourceContext* context,
1532    int render_process_id,
1533    int render_view_id) {
1534  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1535  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1536  bool allow = io_data->GetCookieSettings()->
1537      IsReadingCookieAllowed(url, first_party);
1538
1539  BrowserThread::PostTask(
1540      BrowserThread::UI, FROM_HERE,
1541      base::Bind(&TabSpecificContentSettings::CookiesRead, render_process_id,
1542                 render_view_id, url, first_party, cookie_list, !allow));
1543  return allow;
1544}
1545
1546bool ChromeContentBrowserClient::AllowSetCookie(
1547    const GURL& url,
1548    const GURL& first_party,
1549    const std::string& cookie_line,
1550    content::ResourceContext* context,
1551    int render_process_id,
1552    int render_view_id,
1553    net::CookieOptions* options) {
1554  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1555  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1556  CookieSettings* cookie_settings = io_data->GetCookieSettings();
1557  bool allow = cookie_settings->IsSettingCookieAllowed(url, first_party);
1558
1559  BrowserThread::PostTask(
1560      BrowserThread::UI, FROM_HERE,
1561      base::Bind(&TabSpecificContentSettings::CookieChanged, render_process_id,
1562                 render_view_id, url, first_party, cookie_line, *options,
1563                 !allow));
1564  return allow;
1565}
1566
1567bool ChromeContentBrowserClient::AllowSaveLocalState(
1568    content::ResourceContext* context) {
1569  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1570  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1571  CookieSettings* cookie_settings = io_data->GetCookieSettings();
1572  ContentSetting setting = cookie_settings->GetDefaultCookieSetting(NULL);
1573
1574  // TODO(bauerb): Should we also disallow local state if the default is BLOCK?
1575  // Could we even support per-origin settings?
1576  return setting != CONTENT_SETTING_SESSION_ONLY;
1577}
1578
1579bool ChromeContentBrowserClient::AllowWorkerDatabase(
1580    const GURL& url,
1581    const string16& name,
1582    const string16& display_name,
1583    unsigned long estimated_size,
1584    content::ResourceContext* context,
1585    const std::vector<std::pair<int, int> >& render_views) {
1586  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1587  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1588  CookieSettings* cookie_settings = io_data->GetCookieSettings();
1589  bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1590
1591  // Record access to database for potential display in UI.
1592  std::vector<std::pair<int, int> >::const_iterator i;
1593  for (i = render_views.begin(); i != render_views.end(); ++i) {
1594    BrowserThread::PostTask(
1595        BrowserThread::UI, FROM_HERE,
1596        base::Bind(&TabSpecificContentSettings::WebDatabaseAccessed,
1597                   i->first, i->second, url, name, display_name, !allow));
1598  }
1599
1600  return allow;
1601}
1602
1603bool ChromeContentBrowserClient::AllowWorkerFileSystem(
1604    const GURL& url,
1605    content::ResourceContext* context,
1606    const std::vector<std::pair<int, int> >& render_views) {
1607  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1608  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1609  CookieSettings* cookie_settings = io_data->GetCookieSettings();
1610  bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1611
1612  // Record access to file system for potential display in UI.
1613  std::vector<std::pair<int, int> >::const_iterator i;
1614  for (i = render_views.begin(); i != render_views.end(); ++i) {
1615    BrowserThread::PostTask(
1616        BrowserThread::UI, FROM_HERE,
1617        base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
1618                   i->first, i->second, url, !allow));
1619  }
1620
1621  return allow;
1622}
1623
1624bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
1625    const GURL& url,
1626    const string16& name,
1627    content::ResourceContext* context,
1628    const std::vector<std::pair<int, int> >& render_views) {
1629  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1630  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1631  CookieSettings* cookie_settings = io_data->GetCookieSettings();
1632  bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1633
1634  // Record access to IndexedDB for potential display in UI.
1635  std::vector<std::pair<int, int> >::const_iterator i;
1636  for (i = render_views.begin(); i != render_views.end(); ++i) {
1637    BrowserThread::PostTask(
1638        BrowserThread::UI, FROM_HERE,
1639        base::Bind(&TabSpecificContentSettings::IndexedDBAccessed,
1640                   i->first, i->second, url, name, !allow));
1641  }
1642
1643  return allow;
1644}
1645
1646net::URLRequestContext*
1647ChromeContentBrowserClient::OverrideRequestContextForURL(
1648    const GURL& url, content::ResourceContext* context) {
1649  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1650  if (url.SchemeIs(extensions::kExtensionScheme)) {
1651    ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1652    return io_data->extensions_request_context();
1653  }
1654
1655  return NULL;
1656}
1657
1658QuotaPermissionContext*
1659ChromeContentBrowserClient::CreateQuotaPermissionContext() {
1660  return new ChromeQuotaPermissionContext();
1661}
1662
1663void ChromeContentBrowserClient::AllowCertificateError(
1664    int render_process_id,
1665    int render_view_id,
1666    int cert_error,
1667    const net::SSLInfo& ssl_info,
1668    const GURL& request_url,
1669    ResourceType::Type resource_type,
1670    bool overridable,
1671    bool strict_enforcement,
1672    const base::Callback<void(bool)>& callback,
1673    content::CertificateRequestResultType* result) {
1674  if (resource_type != ResourceType::MAIN_FRAME) {
1675    // A sub-resource has a certificate error.  The user doesn't really
1676    // have a context for making the right decision, so block the
1677    // request hard, without an info bar to allow showing the insecure
1678    // content.
1679    *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
1680    return;
1681  }
1682
1683  // If the tab is being prerendered, cancel the prerender and the request.
1684  WebContents* tab = tab_util::GetWebContentsByID(
1685      render_process_id, render_view_id);
1686  if (!tab) {
1687    NOTREACHED();
1688    return;
1689  }
1690  prerender::PrerenderManager* prerender_manager =
1691      prerender::PrerenderManagerFactory::GetForProfile(
1692          Profile::FromBrowserContext(tab->GetBrowserContext()));
1693  if (prerender_manager && prerender_manager->IsWebContentsPrerendering(tab,
1694                                                                        NULL)) {
1695    if (prerender_manager->prerender_tracker()->TryCancel(
1696            render_process_id, render_view_id,
1697            prerender::FINAL_STATUS_SSL_ERROR)) {
1698      *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
1699      return;
1700    }
1701  }
1702
1703#if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
1704  captive_portal::CaptivePortalTabHelper* captive_portal_tab_helper =
1705      captive_portal::CaptivePortalTabHelper::FromWebContents(tab);
1706  if (captive_portal_tab_helper)
1707    captive_portal_tab_helper->OnSSLCertError(ssl_info);
1708#endif
1709
1710  // Otherwise, display an SSL blocking page.
1711  new SSLBlockingPage(tab, cert_error, ssl_info, request_url, overridable,
1712                      strict_enforcement, callback);
1713}
1714
1715void ChromeContentBrowserClient::SelectClientCertificate(
1716    int render_process_id,
1717    int render_view_id,
1718    const net::HttpNetworkSession* network_session,
1719    net::SSLCertRequestInfo* cert_request_info,
1720    const base::Callback<void(net::X509Certificate*)>& callback) {
1721  WebContents* tab = tab_util::GetWebContentsByID(
1722      render_process_id, render_view_id);
1723  if (!tab) {
1724    NOTREACHED();
1725    return;
1726  }
1727
1728  GURL requesting_url("https://" + cert_request_info->host_and_port);
1729  DCHECK(requesting_url.is_valid()) << "Invalid URL string: https://"
1730                                    << cert_request_info->host_and_port;
1731
1732  Profile* profile = Profile::FromBrowserContext(tab->GetBrowserContext());
1733  scoped_ptr<Value> filter(
1734      profile->GetHostContentSettingsMap()->GetWebsiteSetting(
1735          requesting_url,
1736          requesting_url,
1737          CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
1738          std::string(), NULL));
1739
1740  if (filter.get()) {
1741    // Try to automatically select a client certificate.
1742    if (filter->IsType(Value::TYPE_DICTIONARY)) {
1743      DictionaryValue* filter_dict =
1744          static_cast<DictionaryValue*>(filter.get());
1745
1746      const std::vector<scoped_refptr<net::X509Certificate> >&
1747          all_client_certs = cert_request_info->client_certs;
1748      for (size_t i = 0; i < all_client_certs.size(); ++i) {
1749        if (CertMatchesFilter(*all_client_certs[i].get(), *filter_dict)) {
1750          // Use the first certificate that is matched by the filter.
1751          callback.Run(all_client_certs[i].get());
1752          return;
1753        }
1754      }
1755    } else {
1756      NOTREACHED();
1757    }
1758  }
1759
1760  SSLTabHelper* ssl_tab_helper = SSLTabHelper::FromWebContents(tab);
1761  if (!ssl_tab_helper) {
1762    // If there is no SSLTabHelper for the given WebContents then we can't
1763    // show the user a dialog to select a client certificate. So we simply
1764    // proceed with no client certificate.
1765    callback.Run(NULL);
1766    return;
1767  }
1768  ssl_tab_helper->ShowClientCertificateRequestDialog(
1769      network_session, cert_request_info, callback);
1770}
1771
1772void ChromeContentBrowserClient::AddCertificate(
1773    net::URLRequest* request,
1774    net::CertificateMimeType cert_type,
1775    const void* cert_data,
1776    size_t cert_size,
1777    int render_process_id,
1778    int render_view_id) {
1779  chrome::SSLAddCertificate(request, cert_type, cert_data, cert_size,
1780      render_process_id, render_view_id);
1781}
1782
1783content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
1784  return MediaCaptureDevicesDispatcher::GetInstance();
1785}
1786
1787void ChromeContentBrowserClient::RequestDesktopNotificationPermission(
1788    const GURL& source_origin,
1789    int callback_context,
1790    int render_process_id,
1791    int render_view_id) {
1792#if defined(ENABLE_NOTIFICATIONS)
1793  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1794  WebContents* contents =
1795      tab_util::GetWebContentsByID(render_process_id, render_view_id);
1796  if (!contents) {
1797    NOTREACHED();
1798    return;
1799  }
1800
1801  // Skip showing the infobar if the request comes from an extension, and that
1802  // extension has the 'notify' permission. (If the extension does not have the
1803  // permission, the user will still be prompted.)
1804  Profile* profile = Profile::FromBrowserContext(contents->GetBrowserContext());
1805  ExtensionInfoMap* extension_info_map =
1806      extensions::ExtensionSystem::Get(profile)->info_map();
1807  DesktopNotificationService* notification_service =
1808      DesktopNotificationServiceFactory::GetForProfile(profile);
1809  const Extension* extension = NULL;
1810  if (extension_info_map) {
1811    ExtensionSet extensions;
1812    extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
1813        source_origin, render_process_id,
1814        extensions::APIPermission::kNotification, &extensions);
1815    for (ExtensionSet::const_iterator iter = extensions.begin();
1816         iter != extensions.end(); ++iter) {
1817      if (notification_service->IsNotifierEnabled(NotifierId(
1818              NotifierId::APPLICATION, (*iter)->id()))) {
1819        extension = iter->get();
1820        break;
1821      }
1822    }
1823  }
1824  RenderViewHost* rvh =
1825      RenderViewHost::FromID(render_process_id, render_view_id);
1826  if (IsExtensionWithPermissionOrSuggestInConsole(
1827      APIPermission::kNotification, extension, rvh)) {
1828    if (rvh)
1829      rvh->DesktopNotificationPermissionRequestDone(callback_context);
1830    return;
1831  }
1832
1833  notification_service->RequestPermission(source_origin, render_process_id,
1834      render_view_id, callback_context, contents);
1835#else
1836  NOTIMPLEMENTED();
1837#endif
1838}
1839
1840WebKit::WebNotificationPresenter::Permission
1841    ChromeContentBrowserClient::CheckDesktopNotificationPermission(
1842        const GURL& source_origin,
1843        content::ResourceContext* context,
1844        int render_process_id) {
1845#if defined(ENABLE_NOTIFICATIONS)
1846  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1847  // Sometimes a notification may be invoked during the shutdown.
1848  // See http://crbug.com/256638
1849  if (browser_shutdown::IsTryingToQuit())
1850    return WebKit::WebNotificationPresenter::PermissionNotAllowed;
1851
1852  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1853
1854  DesktopNotificationService* notification_service =
1855      io_data->GetNotificationService();
1856  if (notification_service) {
1857    ExtensionInfoMap* extension_info_map = io_data->GetExtensionInfoMap();
1858    ExtensionSet extensions;
1859    extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
1860        source_origin, render_process_id,
1861        extensions::APIPermission::kNotification, &extensions);
1862    for (ExtensionSet::const_iterator iter = extensions.begin();
1863         iter != extensions.end(); ++iter) {
1864      NotifierId notifier_id(NotifierId::APPLICATION, (*iter)->id());
1865      if (notification_service->IsNotifierEnabled(notifier_id))
1866        return WebKit::WebNotificationPresenter::PermissionAllowed;
1867    }
1868
1869    return notification_service->HasPermission(source_origin);
1870  }
1871
1872  return WebKit::WebNotificationPresenter::PermissionNotAllowed;
1873#else
1874  return WebKit::WebNotificationPresenter::PermissionAllowed;
1875#endif
1876}
1877
1878void ChromeContentBrowserClient::ShowDesktopNotification(
1879    const content::ShowDesktopNotificationHostMsgParams& params,
1880    int render_process_id,
1881    int render_view_id,
1882    bool worker) {
1883#if defined(ENABLE_NOTIFICATIONS)
1884  RenderViewHost* rvh = RenderViewHost::FromID(
1885      render_process_id, render_view_id);
1886  if (!rvh) {
1887    NOTREACHED();
1888    return;
1889  }
1890
1891  content::RenderProcessHost* process = rvh->GetProcess();
1892  Profile* profile = Profile::FromBrowserContext(process->GetBrowserContext());
1893  DesktopNotificationService* service =
1894      DesktopNotificationServiceFactory::GetForProfile(profile);
1895  service->ShowDesktopNotification(
1896    params, render_process_id, render_view_id,
1897    worker ? DesktopNotificationService::WorkerNotification :
1898        DesktopNotificationService::PageNotification);
1899#else
1900  NOTIMPLEMENTED();
1901#endif
1902}
1903
1904void ChromeContentBrowserClient::CancelDesktopNotification(
1905    int render_process_id,
1906    int render_view_id,
1907    int notification_id) {
1908#if defined(ENABLE_NOTIFICATIONS)
1909  RenderViewHost* rvh = RenderViewHost::FromID(
1910      render_process_id, render_view_id);
1911  if (!rvh) {
1912    NOTREACHED();
1913    return;
1914  }
1915
1916  content::RenderProcessHost* process = rvh->GetProcess();
1917  Profile* profile = Profile::FromBrowserContext(process->GetBrowserContext());
1918  DesktopNotificationService* service =
1919      DesktopNotificationServiceFactory::GetForProfile(profile);
1920  service->CancelDesktopNotification(
1921      render_process_id, render_view_id, notification_id);
1922#else
1923  NOTIMPLEMENTED();
1924#endif
1925}
1926
1927bool ChromeContentBrowserClient::CanCreateWindow(
1928    const GURL& opener_url,
1929    const GURL& opener_top_level_frame_url,
1930    const GURL& source_origin,
1931    WindowContainerType container_type,
1932    const GURL& target_url,
1933    const content::Referrer& referrer,
1934    WindowOpenDisposition disposition,
1935    const WebWindowFeatures& features,
1936    bool user_gesture,
1937    bool opener_suppressed,
1938    content::ResourceContext* context,
1939    int render_process_id,
1940    bool is_guest,
1941    int opener_id,
1942    bool* no_javascript_access) {
1943  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1944
1945  *no_javascript_access = false;
1946
1947  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1948  ExtensionInfoMap* map = io_data->GetExtensionInfoMap();
1949
1950  // If the opener is trying to create a background window but doesn't have
1951  // the appropriate permission, fail the attempt.
1952  if (container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
1953    if (!map->SecurityOriginHasAPIPermission(
1954            source_origin,
1955            render_process_id,
1956            APIPermission::kBackground)) {
1957      return false;
1958    }
1959
1960    // Note: this use of GetExtensionOrAppByURL is safe but imperfect.  It may
1961    // return a recently installed Extension even if this CanCreateWindow call
1962    // was made by an old copy of the page in a normal web process.  That's ok,
1963    // because the permission check above would have caused an early return
1964    // already. We must use the full URL to find hosted apps, though, and not
1965    // just the origin.
1966    const Extension* extension =
1967        map->extensions().GetExtensionOrAppByURL(opener_url);
1968    if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
1969      *no_javascript_access = true;
1970
1971    return true;
1972  }
1973
1974  // No new browser window (popup or tab) in app mode.
1975  if (container_type == WINDOW_CONTAINER_TYPE_NORMAL &&
1976      chrome::IsRunningInForcedAppMode()) {
1977    return false;
1978  }
1979
1980  if (g_browser_process->prerender_tracker() &&
1981      g_browser_process->prerender_tracker()->TryCancelOnIOThread(
1982          render_process_id,
1983          opener_id,
1984          prerender::FINAL_STATUS_CREATE_NEW_WINDOW)) {
1985    return false;
1986  }
1987
1988  if (is_guest)
1989    return true;
1990
1991  // Exempt extension processes from popup blocking.
1992  if (map->process_map().Contains(render_process_id))
1993    return true;
1994
1995  HostContentSettingsMap* content_settings =
1996      ProfileIOData::FromResourceContext(context)->GetHostContentSettingsMap();
1997  BlockedWindowParams blocked_params(target_url,
1998                                    referrer,
1999                                    disposition,
2000                                    features,
2001                                    user_gesture,
2002                                    opener_suppressed,
2003                                    render_process_id,
2004                                    opener_id);
2005
2006  if (!user_gesture && !CommandLine::ForCurrentProcess()->HasSwitch(
2007        switches::kDisablePopupBlocking)) {
2008    if (content_settings->GetContentSetting(opener_top_level_frame_url,
2009                                            opener_top_level_frame_url,
2010                                            CONTENT_SETTINGS_TYPE_POPUPS,
2011                                            std::string()) !=
2012        CONTENT_SETTING_ALLOW) {
2013      BrowserThread::PostTask(BrowserThread::UI,
2014                              FROM_HERE,
2015                              base::Bind(&HandleBlockedPopupOnUIThread,
2016                                         blocked_params));
2017      return false;
2018    }
2019  }
2020
2021#if defined(OS_ANDROID)
2022  if (SingleTabModeTabHelper::IsRegistered(render_process_id, opener_id)) {
2023    BrowserThread::PostTask(BrowserThread::UI,
2024                            FROM_HERE,
2025                            base::Bind(&HandleSingleTabModeBlockOnUIThread,
2026                                       blocked_params));
2027    return false;
2028  }
2029#endif
2030
2031  return true;
2032}
2033
2034std::string ChromeContentBrowserClient::GetWorkerProcessTitle(
2035    const GURL& url, content::ResourceContext* context) {
2036  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2037  // Check if it's an extension-created worker, in which case we want to use
2038  // the name of the extension.
2039  ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2040  const Extension* extension =
2041      io_data->GetExtensionInfoMap()->extensions().GetByID(url.host());
2042  return extension ? extension->name() : std::string();
2043}
2044
2045void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
2046  return g_browser_process->ResourceDispatcherHostCreated();
2047}
2048
2049// TODO(tommi): Rename from Get to Create.
2050content::SpeechRecognitionManagerDelegate*
2051    ChromeContentBrowserClient::GetSpeechRecognitionManagerDelegate() {
2052#if defined(ENABLE_INPUT_SPEECH)
2053  return new speech::ChromeSpeechRecognitionManagerDelegateBubbleUI();
2054#else
2055  // Platforms who don't implement x-webkit-speech (a.k.a INPUT_SPEECH) just
2056  // need the base delegate without the bubble UI.
2057  return new speech::ChromeSpeechRecognitionManagerDelegate();
2058#endif
2059}
2060
2061net::NetLog* ChromeContentBrowserClient::GetNetLog() {
2062  return g_browser_process->net_log();
2063}
2064
2065AccessTokenStore* ChromeContentBrowserClient::CreateAccessTokenStore() {
2066  return new ChromeAccessTokenStore();
2067}
2068
2069bool ChromeContentBrowserClient::IsFastShutdownPossible() {
2070  return true;
2071}
2072
2073void ChromeContentBrowserClient::OverrideWebkitPrefs(
2074    RenderViewHost* rvh, const GURL& url, WebPreferences* web_prefs) {
2075  Profile* profile = Profile::FromBrowserContext(
2076      rvh->GetProcess()->GetBrowserContext());
2077  PrefService* prefs = profile->GetPrefs();
2078
2079  FillFontFamilyMap(prefs, prefs::kWebKitStandardFontFamilyMap,
2080                    &web_prefs->standard_font_family_map);
2081  FillFontFamilyMap(prefs, prefs::kWebKitFixedFontFamilyMap,
2082                    &web_prefs->fixed_font_family_map);
2083  FillFontFamilyMap(prefs, prefs::kWebKitSerifFontFamilyMap,
2084                    &web_prefs->serif_font_family_map);
2085  FillFontFamilyMap(prefs, prefs::kWebKitSansSerifFontFamilyMap,
2086                    &web_prefs->sans_serif_font_family_map);
2087  FillFontFamilyMap(prefs, prefs::kWebKitCursiveFontFamilyMap,
2088                    &web_prefs->cursive_font_family_map);
2089  FillFontFamilyMap(prefs, prefs::kWebKitFantasyFontFamilyMap,
2090                    &web_prefs->fantasy_font_family_map);
2091  FillFontFamilyMap(prefs, prefs::kWebKitPictographFontFamilyMap,
2092                    &web_prefs->pictograph_font_family_map);
2093
2094  web_prefs->default_font_size =
2095      prefs->GetInteger(prefs::kWebKitDefaultFontSize);
2096  web_prefs->default_fixed_font_size =
2097      prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
2098  web_prefs->minimum_font_size =
2099      prefs->GetInteger(prefs::kWebKitMinimumFontSize);
2100  web_prefs->minimum_logical_font_size =
2101      prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
2102
2103  web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2104
2105  web_prefs->javascript_can_open_windows_automatically =
2106      prefs->GetBoolean(prefs::kWebKitJavascriptCanOpenWindowsAutomatically);
2107  web_prefs->dom_paste_enabled =
2108      prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
2109  web_prefs->shrinks_standalone_images_to_fit =
2110      prefs->GetBoolean(prefs::kWebKitShrinksStandaloneImagesToFit);
2111  const DictionaryValue* inspector_settings =
2112      prefs->GetDictionary(prefs::kWebKitInspectorSettings);
2113  if (inspector_settings) {
2114    for (DictionaryValue::Iterator iter(*inspector_settings); !iter.IsAtEnd();
2115         iter.Advance()) {
2116      std::string value;
2117      if (iter.value().GetAsString(&value)) {
2118          web_prefs->inspector_settings.push_back(
2119              std::make_pair(iter.key(), value));
2120      }
2121    }
2122  }
2123  web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
2124
2125  if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
2126    web_prefs->javascript_enabled = false;
2127  if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
2128    web_prefs->web_security_enabled = false;
2129  if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
2130    web_prefs->plugins_enabled = false;
2131  if (!prefs->GetBoolean(prefs::kWebKitJavaEnabled))
2132    web_prefs->java_enabled = false;
2133  web_prefs->loads_images_automatically =
2134      prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
2135
2136  if (prefs->GetBoolean(prefs::kDisable3DAPIs))
2137    web_prefs->experimental_webgl_enabled = false;
2138
2139  web_prefs->memory_info_enabled =
2140      prefs->GetBoolean(prefs::kEnableMemoryInfo);
2141  web_prefs->allow_displaying_insecure_content =
2142      prefs->GetBoolean(prefs::kWebKitAllowDisplayingInsecureContent);
2143  web_prefs->allow_running_insecure_content =
2144      prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
2145#if defined(OS_ANDROID)
2146  web_prefs->font_scale_factor =
2147      static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
2148  web_prefs->force_enable_zoom =
2149      prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
2150#endif
2151
2152#if defined(OS_ANDROID)
2153  web_prefs->password_echo_enabled =
2154      prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
2155#else
2156  web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
2157#endif
2158
2159#if defined(OS_CHROMEOS)
2160  // Enable password echo during OOBE when keyboard driven flag is set.
2161  if (chromeos::UserManager::IsInitialized() &&
2162      !chromeos::UserManager::Get()->IsUserLoggedIn() &&
2163      !chromeos::StartupUtils::IsOobeCompleted() &&
2164      chromeos::system::keyboard_settings::ForceKeyboardDrivenUINavigation()) {
2165    web_prefs->password_echo_enabled = true;
2166  }
2167#endif
2168
2169#if defined(OS_ANDROID)
2170  web_prefs->user_style_sheet_enabled = false;
2171#else
2172  // The user stylesheet watcher may not exist in a testing profile.
2173  UserStyleSheetWatcher* user_style_sheet_watcher =
2174      UserStyleSheetWatcherFactory::GetForProfile(profile).get();
2175  if (user_style_sheet_watcher) {
2176    web_prefs->user_style_sheet_enabled = true;
2177    web_prefs->user_style_sheet_location =
2178        user_style_sheet_watcher->user_style_sheet();
2179  } else {
2180    web_prefs->user_style_sheet_enabled = false;
2181  }
2182#endif
2183
2184  web_prefs->asynchronous_spell_checking_enabled = true;
2185  web_prefs->unified_textchecker_enabled = true;
2186
2187  web_prefs->uses_universal_detector =
2188      prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
2189  web_prefs->text_areas_are_resizable =
2190      prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
2191  web_prefs->hyperlink_auditing_enabled =
2192      prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
2193
2194  // Make sure we will set the default_encoding with canonical encoding name.
2195  web_prefs->default_encoding =
2196      CharacterEncoding::GetCanonicalEncodingNameByAliasName(
2197          web_prefs->default_encoding);
2198  if (web_prefs->default_encoding.empty()) {
2199    prefs->ClearPref(prefs::kDefaultCharset);
2200    web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2201  }
2202  DCHECK(!web_prefs->default_encoding.empty());
2203
2204  WebContents* web_contents = WebContents::FromRenderViewHost(rvh);
2205  extensions::ViewType view_type = extensions::GetViewType(web_contents);
2206  ExtensionService* service =
2207      extensions::ExtensionSystem::Get(profile)->extension_service();
2208  if (service) {
2209    const GURL& url = rvh->GetSiteInstance()->GetSiteURL();
2210    const Extension* extension = service->extensions()->GetByID(url.host());
2211    // Ensure that we are only granting extension preferences to URLs with
2212    // the correct scheme. Without this check, chrome-guest:// schemes used by
2213    // webview tags as well as hosts that happen to match the id of an
2214    // installed extension would get the wrong preferences.
2215    if (url.SchemeIs(extensions::kExtensionScheme)) {
2216      extension_webkit_preferences::SetPreferences(
2217          extension, view_type, web_prefs);
2218    }
2219  }
2220
2221  if (view_type == extensions::VIEW_TYPE_NOTIFICATION) {
2222    web_prefs->allow_scripts_to_close_windows = true;
2223  } else if (view_type == extensions::VIEW_TYPE_BACKGROUND_CONTENTS) {
2224    // Disable all kinds of acceleration for background pages.
2225    // See http://crbug.com/96005 and http://crbug.com/96006
2226    web_prefs->force_compositing_mode = false;
2227    web_prefs->accelerated_compositing_enabled = false;
2228  }
2229
2230#if defined(FILE_MANAGER_EXTENSION)
2231  // Override the default of suppressing HW compositing for WebUI pages for the
2232  // file manager, which is implemented using WebUI but wants HW acceleration
2233  // for video decode & render.
2234  if (url.SchemeIs(extensions::kExtensionScheme) &&
2235      url.host() == file_manager::kFileManagerAppId) {
2236    web_prefs->accelerated_compositing_enabled = true;
2237    web_prefs->accelerated_2d_canvas_enabled = true;
2238  }
2239#endif
2240}
2241
2242void ChromeContentBrowserClient::UpdateInspectorSetting(
2243    RenderViewHost* rvh, const std::string& key, const std::string& value) {
2244  content::BrowserContext* browser_context =
2245      rvh->GetProcess()->GetBrowserContext();
2246  DictionaryPrefUpdate update(
2247      Profile::FromBrowserContext(browser_context)->GetPrefs(),
2248      prefs::kWebKitInspectorSettings);
2249  DictionaryValue* inspector_settings = update.Get();
2250  inspector_settings->SetWithoutPathExpansion(key,
2251                                              Value::CreateStringValue(value));
2252}
2253
2254void ChromeContentBrowserClient::BrowserURLHandlerCreated(
2255    BrowserURLHandler* handler) {
2256  // Add the default URL handlers.
2257  handler->AddHandlerPair(&ExtensionWebUI::HandleChromeURLOverride,
2258                          BrowserURLHandler::null_handler());
2259  handler->AddHandlerPair(BrowserURLHandler::null_handler(),
2260                          &ExtensionWebUI::HandleChromeURLOverrideReverse);
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  // Handler to rewrite chrome://newtab for InstantExtended.
2269  handler->AddHandlerPair(&chrome::HandleNewTabURLRewrite,
2270                          &chrome::HandleNewTabURLReverseRewrite);
2271
2272  // chrome: & friends.
2273  handler->AddHandlerPair(&HandleWebUI, &HandleWebUIReverse);
2274}
2275
2276void ChromeContentBrowserClient::ClearCache(RenderViewHost* rvh) {
2277  Profile* profile = Profile::FromBrowserContext(
2278      rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2279  BrowsingDataRemover* remover =
2280      BrowsingDataRemover::CreateForUnboundedRange(profile);
2281  remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
2282                  BrowsingDataHelper::UNPROTECTED_WEB);
2283  // BrowsingDataRemover takes care of deleting itself when done.
2284}
2285
2286void ChromeContentBrowserClient::ClearCookies(RenderViewHost* rvh) {
2287  Profile* profile = Profile::FromBrowserContext(
2288      rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2289  BrowsingDataRemover* remover =
2290      BrowsingDataRemover::CreateForUnboundedRange(profile);
2291  int remove_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
2292  remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
2293  // BrowsingDataRemover takes care of deleting itself when done.
2294}
2295
2296base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
2297  return DownloadPrefs::GetDefaultDownloadDirectory();
2298}
2299
2300std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
2301  return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
2302}
2303
2304void ChromeContentBrowserClient::DidCreatePpapiPlugin(
2305    content::BrowserPpapiHost* browser_host) {
2306#if defined(ENABLE_PLUGINS)
2307  browser_host->GetPpapiHost()->AddHostFactoryFilter(
2308      scoped_ptr<ppapi::host::HostFactory>(
2309          new ChromeBrowserPepperHostFactory(browser_host)));
2310#endif
2311}
2312
2313content::BrowserPpapiHost*
2314    ChromeContentBrowserClient::GetExternalBrowserPpapiHost(
2315        int plugin_process_id) {
2316  BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
2317  while (!iter.Done()) {
2318    NaClProcessHost* host = static_cast<NaClProcessHost*>(iter.GetDelegate());
2319    if (host->process() &&
2320        host->process()->GetData().id == plugin_process_id) {
2321      // Found the plugin.
2322      return host->browser_ppapi_host();
2323    }
2324    ++iter;
2325  }
2326  return NULL;
2327}
2328
2329bool ChromeContentBrowserClient::SupportsBrowserPlugin(
2330    content::BrowserContext* browser_context, const GURL& site_url) {
2331  if (CommandLine::ForCurrentProcess()->HasSwitch(
2332          switches::kEnableBrowserPluginForAllViewTypes))
2333    return true;
2334
2335  Profile* profile = Profile::FromBrowserContext(browser_context);
2336  ExtensionService* service =
2337      extensions::ExtensionSystem::Get(profile)->extension_service();
2338  if (!service)
2339    return false;
2340
2341  const Extension* extension =
2342      service->extensions()->GetExtensionOrAppByURL(site_url);
2343  if (!extension)
2344    return false;
2345
2346  return extension->HasAPIPermission(APIPermission::kWebView) ||
2347         extension->HasAPIPermission(APIPermission::kAdView);
2348}
2349
2350bool ChromeContentBrowserClient::AllowPepperSocketAPI(
2351    content::BrowserContext* browser_context,
2352    const GURL& url,
2353    bool private_api,
2354    const content::SocketPermissionRequest& params) {
2355#if defined(ENABLE_PLUGINS)
2356  Profile* profile = Profile::FromBrowserContext(browser_context);
2357  const ExtensionSet* extension_set = NULL;
2358  if (profile) {
2359    extension_set = extensions::ExtensionSystem::Get(profile)->
2360        extension_service()->extensions();
2361  }
2362
2363  if (private_api) {
2364    // Access to private socket APIs is controlled by the whitelist.
2365    if (IsExtensionOrSharedModuleWhitelisted(url, extension_set,
2366                                             allowed_socket_origins_)) {
2367      return true;
2368    }
2369  } else {
2370    // Access to public socket APIs is controlled by extension permissions.
2371    if (url.is_valid() && url.SchemeIs(extensions::kExtensionScheme) &&
2372        extension_set) {
2373      const Extension* extension = extension_set->GetByID(url.host());
2374      if (extension) {
2375        extensions::SocketPermission::CheckParam check_params(
2376            params.type, params.host, params.port);
2377        if (extensions::PermissionsData::CheckAPIPermissionWithParam(
2378                extension, extensions::APIPermission::kSocket, &check_params)) {
2379          return true;
2380        }
2381      }
2382    }
2383  }
2384
2385  // Allow both public and private APIs if the command line says so.
2386  return IsHostAllowedByCommandLine(url, extension_set,
2387                                    switches::kAllowNaClSocketAPI);
2388#else
2389  return false;
2390#endif
2391}
2392
2393ui::SelectFilePolicy* ChromeContentBrowserClient::CreateSelectFilePolicy(
2394    WebContents* web_contents) {
2395  return new ChromeSelectFilePolicy(web_contents);
2396}
2397
2398void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2399    std::vector<std::string>* additional_allowed_schemes) {
2400  ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2401      additional_allowed_schemes);
2402  additional_allowed_schemes->push_back(kChromeUIScheme);
2403  additional_allowed_schemes->push_back(extensions::kExtensionScheme);
2404}
2405
2406void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
2407    content::BrowserContext* browser_context,
2408    const base::FilePath& storage_partition_path,
2409    ScopedVector<fileapi::FileSystemBackend>* additional_backends) {
2410#if !defined(OS_ANDROID)
2411  base::SequencedWorkerPool* pool = content::BrowserThread::GetBlockingPool();
2412  additional_backends->push_back(new MediaFileSystemBackend(
2413      storage_partition_path,
2414      pool->GetSequencedTaskRunner(pool->GetNamedSequenceToken(
2415          MediaFileSystemBackend::kMediaTaskRunnerName)).get()));
2416#endif
2417#if defined(OS_CHROMEOS)
2418  fileapi::ExternalMountPoints* external_mount_points =
2419      content::BrowserContext::GetMountPoints(browser_context);
2420  DCHECK(external_mount_points);
2421  chromeos::FileSystemBackend* backend =
2422      new chromeos::FileSystemBackend(
2423          new drive::FileSystemBackendDelegate(browser_context),
2424          browser_context->GetSpecialStoragePolicy(),
2425          external_mount_points,
2426          fileapi::ExternalMountPoints::GetSystemInstance());
2427  backend->AddSystemMountPoints();
2428  DCHECK(backend->CanHandleType(fileapi::kFileSystemTypeExternal));
2429  additional_backends->push_back(backend);
2430#endif
2431
2432  additional_backends->push_back(
2433      new sync_file_system::SyncFileSystemBackend(
2434          Profile::FromBrowserContext(browser_context)));
2435}
2436
2437#if defined(OS_POSIX) && !defined(OS_MACOSX)
2438void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2439    const CommandLine& command_line,
2440    int child_process_id,
2441    std::vector<FileDescriptorInfo>* mappings) {
2442#if defined(OS_ANDROID)
2443  base::FilePath data_path;
2444  PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &data_path);
2445  DCHECK(!data_path.empty());
2446
2447  int flags = base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ;
2448  base::FilePath chrome_resources_pak =
2449      data_path.AppendASCII("chrome_100_percent.pak");
2450  base::PlatformFile f =
2451      base::CreatePlatformFile(chrome_resources_pak, flags, NULL, NULL);
2452  DCHECK(f != base::kInvalidPlatformFileValue);
2453  mappings->push_back(FileDescriptorInfo(kAndroidChrome100PercentPakDescriptor,
2454                                         FileDescriptor(f, true)));
2455
2456  const std::string locale = GetApplicationLocale();
2457  base::FilePath locale_pak = ResourceBundle::GetSharedInstance().
2458      GetLocaleFilePath(locale, false);
2459  f = base::CreatePlatformFile(locale_pak, flags, NULL, NULL);
2460  DCHECK(f != base::kInvalidPlatformFileValue);
2461  mappings->push_back(FileDescriptorInfo(kAndroidLocalePakDescriptor,
2462                                         FileDescriptor(f, true)));
2463
2464  base::FilePath resources_pack_path;
2465  PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
2466  f = base::CreatePlatformFile(resources_pack_path, flags, NULL, NULL);
2467  DCHECK(f != base::kInvalidPlatformFileValue);
2468  mappings->push_back(FileDescriptorInfo(kAndroidUIResourcesPakDescriptor,
2469                                         FileDescriptor(f, true)));
2470
2471  if (IsCrashReporterEnabled()) {
2472    f = CrashDumpManager::GetInstance()->CreateMinidumpFile(child_process_id);
2473    if (f == base::kInvalidPlatformFileValue) {
2474      LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
2475                 "be disabled for this process.";
2476    } else {
2477      mappings->push_back(FileDescriptorInfo(kAndroidMinidumpDescriptor,
2478                                             FileDescriptor(f, true)));
2479    }
2480  }
2481
2482#else
2483  int crash_signal_fd = GetCrashSignalFD(command_line);
2484  if (crash_signal_fd >= 0) {
2485    mappings->push_back(FileDescriptorInfo(kCrashDumpSignal,
2486                                           FileDescriptor(crash_signal_fd,
2487                                                          false)));
2488  }
2489#endif  // defined(OS_ANDROID)
2490}
2491#endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
2492
2493#if defined(OS_WIN)
2494const wchar_t* ChromeContentBrowserClient::GetResourceDllName() {
2495  return chrome::kBrowserResourcesDll;
2496}
2497
2498void ChromeContentBrowserClient::PreSpawnRenderer(
2499    sandbox::TargetPolicy* policy,
2500    bool* success) {
2501  // This code is duplicated in nacl_exe_win_64.cc.
2502  // Allow the server side of a pipe restricted to the "chrome.nacl."
2503  // namespace so that it cannot impersonate other system or other chrome
2504  // service pipes.
2505  sandbox::ResultCode result = policy->AddRule(
2506      sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
2507      sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
2508      L"\\\\.\\pipe\\chrome.nacl.*");
2509  if (result != sandbox::SBOX_ALL_OK) {
2510    *success = false;
2511    return;
2512  }
2513
2514  // Renderers need to send named pipe handles and shared memory
2515  // segment handles to NaCl loader processes.
2516  result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
2517                           sandbox::TargetPolicy::HANDLES_DUP_ANY,
2518                           L"File");
2519  if (result != sandbox::SBOX_ALL_OK) {
2520    *success = false;
2521    return;
2522  }
2523}
2524#endif
2525
2526#if defined(USE_NSS)
2527crypto::CryptoModuleBlockingPasswordDelegate*
2528    ChromeContentBrowserClient::GetCryptoPasswordDelegate(
2529        const GURL& url) {
2530  return chrome::NewCryptoModuleBlockingDialogDelegate(
2531      chrome::kCryptoModulePasswordKeygen, url.host());
2532}
2533#endif
2534
2535}  // namespace chrome
2536