chrome/browser/chrome_content_browser_client.cc

   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/files/scoped_file.h"
  14 #include "base/i18n/icu_util.h"
  15 #include "base/lazy_instance.h"
  16 #include "base/path_service.h"
  17 #include "base/prefs/pref_service.h"
  18 #include "base/prefs/scoped_user_pref_update.h"
  19 #include "base/strings/string_number_conversions.h"
  20 #include "base/strings/utf_string_conversions.h"
  21 #include "base/threading/sequenced_worker_pool.h"
  22 #include "chrome/browser/browser_about_handler.h"
  23 #include "chrome/browser/browser_process.h"
  24 #include "chrome/browser/browser_shutdown.h"
  25 #include "chrome/browser/browsing_data/browsing_data_helper.h"
  26 #include "chrome/browser/browsing_data/browsing_data_remover.h"
  27 #include "chrome/browser/character_encoding.h"
  28 #include "chrome/browser/chrome_content_browser_client_parts.h"
  29 #include "chrome/browser/chrome_net_benchmarking_message_filter.h"
  30 #include "chrome/browser/chrome_quota_permission_context.h"
  31 #include "chrome/browser/content_settings/cookie_settings.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/font_family_cache.h"
  36 #include "chrome/browser/geolocation/chrome_access_token_store.h"
  37 #include "chrome/browser/geolocation/geolocation_permission_context.h"
  38 #include "chrome/browser/geolocation/geolocation_permission_context_factory.h"
  39 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
  40 #include "chrome/browser/media/midi_permission_context.h"
  41 #include "chrome/browser/media/midi_permission_context_factory.h"
  42 #include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
  43 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
  44 #include "chrome/browser/net/chrome_net_log.h"
  45 #include "chrome/browser/notifications/desktop_notification_service.h"
  46 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
  47 #include "chrome/browser/notifications/platform_notification_service_impl.h"
  48 #include "chrome/browser/platform_util.h"
  49 #include "chrome/browser/prerender/prerender_final_status.h"
  50 #include "chrome/browser/prerender/prerender_manager.h"
  51 #include "chrome/browser/prerender/prerender_manager_factory.h"
  52 #include "chrome/browser/prerender/prerender_message_filter.h"
  53 #include "chrome/browser/prerender/prerender_tracker.h"
  54 #include "chrome/browser/printing/printing_message_filter.h"
  55 #include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
  56 #include "chrome/browser/profiles/profile.h"
  57 #include "chrome/browser/profiles/profile_io_data.h"
  58 #include "chrome/browser/renderer_host/chrome_render_message_filter.h"
  59 #include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
  60 #include "chrome/browser/search/instant_service.h"
  61 #include "chrome/browser/search/instant_service_factory.h"
  62 #include "chrome/browser/search/search.h"
  63 #include "chrome/browser/search_engines/search_provider_install_state_message_filter.h"
  64 #include "chrome/browser/services/gcm/push_messaging_permission_context.h"
  65 #include "chrome/browser/services/gcm/push_messaging_permission_context_factory.h"
  66 #include "chrome/browser/signin/principals_message_filter.h"
  67 #include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
  68 #include "chrome/browser/speech/tts_controller.h"
  69 #include "chrome/browser/speech/tts_message_filter.h"
  70 #include "chrome/browser/ssl/ssl_add_certificate.h"
  71 #include "chrome/browser/ssl/ssl_blocking_page.h"
  72 #include "chrome/browser/ssl/ssl_client_certificate_selector.h"
  73 #include "chrome/browser/ssl/ssl_error_handler.h"
  74 #include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
  75 #include "chrome/browser/tab_contents/tab_util.h"
  76 #include "chrome/browser/ui/blocked_content/blocked_window_params.h"
  77 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
  78 #include "chrome/browser/ui/chrome_select_file_policy.h"
  79 #include "chrome/browser/ui/sync/sync_promo_ui.h"
  80 #include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
  81 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
  82 #include "chrome/common/chrome_constants.h"
  83 #include "chrome/common/chrome_paths.h"
  84 #include "chrome/common/chrome_switches.h"
  85 #include "chrome/common/env_vars.h"
  86 #include "chrome/common/logging_chrome.h"
  87 #include "chrome/common/pepper_permission_util.h"
  88 #include "chrome/common/pref_names.h"
  89 #include "chrome/common/render_messages.h"
  90 #include "chrome/common/url_constants.h"
  91 #include "chrome/grit/generated_resources.h"
  92 #include "chrome/installer/util/google_update_settings.h"
  93 #include "chromeos/chromeos_constants.h"
  94 #include "components/cdm/browser/cdm_message_filter_android.h"
  95 #include "components/cloud_devices/common/cloud_devices_switches.h"
  96 #include "components/content_settings/core/browser/content_settings_provider.h"
  97 #include "components/content_settings/core/browser/content_settings_utils.h"
  98 #include "components/content_settings/core/browser/host_content_settings_map.h"
  99 #include "components/content_settings/core/common/content_settings.h"
 100 #include "components/content_settings/core/common/permission_request_id.h"
 101 #include "components/dom_distiller/core/url_constants.h"
 102 #include "components/google/core/browser/google_util.h"
 103 #include "components/metrics/client_info.h"
 104 #include "components/pref_registry/pref_registry_syncable.h"
 105 #include "components/signin/core/common/profile_management_switches.h"
 106 #include "components/translate/core/common/translate_switches.h"
 107 #include "content/public/browser/browser_child_process_host.h"
 108 #include "content/public/browser/browser_main_parts.h"
 109 #include "content/public/browser/browser_ppapi_host.h"
 110 #include "content/public/browser/browser_thread.h"
 111 #include "content/public/browser/browser_url_handler.h"
 112 #include "content/public/browser/child_process_data.h"
 113 #include "content/public/browser/child_process_security_policy.h"
 114 #include "content/public/browser/permission_type.h"
 115 #include "content/public/browser/render_frame_host.h"
 116 #include "content/public/browser/render_process_host.h"
 117 #include "content/public/browser/render_view_host.h"
 118 #include "content/public/browser/resource_context.h"
 119 #include "content/public/browser/site_instance.h"
 120 #include "content/public/browser/web_contents.h"
 121 #include "content/public/common/child_process_host.h"
 122 #include "content/public/common/content_descriptors.h"
 123 #include "content/public/common/url_utils.h"
 124 #include "content/public/common/web_preferences.h"
 125 #include "gin/public/isolate_holder.h"
 126 #include "net/base/mime_util.h"
 127 #include "net/cookies/canonical_cookie.h"
 128 #include "net/cookies/cookie_options.h"
 129 #include "net/ssl/ssl_cert_request_info.h"
 130 #include "ppapi/host/ppapi_host.h"
 131 #include "storage/browser/fileapi/external_mount_points.h"
 132 #include "ui/base/l10n/l10n_util.h"
 133 #include "ui/base/resource/resource_bundle.h"
 134 #include "ui/resources/grit/ui_resources.h"
 135
 136 #if defined(OS_WIN)
 137 #include "base/win/windows_version.h"
 138 #include "chrome/browser/chrome_browser_main_win.h"
 139 #include "sandbox/win/src/sandbox_policy.h"
 140 #elif defined(OS_MACOSX)
 141 #include "chrome/browser/chrome_browser_main_mac.h"
 142 #include "chrome/browser/spellchecker/spellcheck_message_filter_mac.h"
 143 #include "components/crash/app/breakpad_mac.h"
 144 #elif defined(OS_CHROMEOS)
 145 #include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
 146 #include "chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.h"
 147 #include "chrome/browser/chromeos/file_manager/app_id.h"
 148 #include "chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.h"
 149 #include "chrome/browser/chromeos/fileapi/file_system_backend.h"
 150 #include "chrome/browser/chromeos/fileapi/mtp_file_system_backend_delegate.h"
 151 #include "chrome/browser/chromeos/login/startup_utils.h"
 152 #include "chrome/browser/chromeos/system/input_device_settings.h"
 153 #include "chromeos/chromeos_switches.h"
 154 #include "components/user_manager/user_manager.h"
 155 #elif defined(OS_LINUX)
 156 #include "chrome/browser/chrome_browser_main_linux.h"
 157 #elif defined(OS_ANDROID)
 158 #include "chrome/browser/android/new_tab_page_url_handler.h"
 159 #include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
 160 #include "chrome/browser/chrome_browser_main_android.h"
 161 #include "chrome/browser/media/protected_media_identifier_permission_context.h"
 162 #include "chrome/browser/media/protected_media_identifier_permission_context_factory.h"
 163 #include "chrome/common/descriptors_android.h"
 164 #include "components/crash/browser/crash_dump_manager_android.h"
 165 #elif defined(OS_POSIX)
 166 #include "chrome/browser/chrome_browser_main_posix.h"
 167 #endif
 168
 169 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 170 #include "base/debug/leak_annotations.h"
 171 #include "components/crash/app/breakpad_linux.h"
 172 #include "components/crash/browser/crash_handler_host_linux.h"
 173 #endif
 174
 175 #if defined(OS_ANDROID)
 176 #include "ui/base/ui_base_paths.h"
 177 #include "ui/gfx/android/device_display_info.h"
 178 #endif
 179
 180 #if defined(OS_ANDROID)
 181 #include "chrome/browser/android/dev_tools_manager_delegate_android.h"
 182 #else
 183 #include "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
 184 #endif
 185
 186 #if !defined(OS_CHROMEOS)
 187 #include "chrome/browser/signin/chrome_signin_client.h"
 188 #include "chrome/browser/signin/chrome_signin_client_factory.h"
 189 #include "chrome/browser/signin/signin_manager_factory.h"
 190 #include "components/signin/core/browser/signin_manager.h"
 191 #endif
 192
 193 #if defined(TOOLKIT_VIEWS)
 194 #include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
 195 #endif
 196
 197 #if defined(USE_ATHENA)
 198 #include "athena/content/public/web_contents_view_delegate_creator.h"
 199 #include "chrome/browser/ui/views/athena/chrome_browser_main_extra_parts_athena.h"
 200 #elif defined(USE_ASH)
 201 #include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
 202 #endif
 203
 204 #if defined(USE_AURA)
 205 #include "chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.h"
 206 #endif
 207
 208 #if defined(USE_X11)
 209 #include "chrome/browser/chrome_browser_main_extra_parts_x11.h"
 210 #endif
 211
 212 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
 213 #include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
 214 #endif
 215
 216 #if !defined(DISABLE_NACL)
 217 #include "components/nacl/browser/nacl_browser.h"
 218 #include "components/nacl/browser/nacl_host_message_filter.h"
 219 #include "components/nacl/browser/nacl_process_host.h"
 220 #include "components/nacl/common/nacl_process_type.h"
 221 #include "components/nacl/common/nacl_switches.h"
 222 #endif
 223
 224 #if defined(ENABLE_EXTENSIONS)
 225 #include "chrome/browser/extensions/chrome_content_browser_client_extensions_part.h"
 226 #include "chrome/browser/extensions/extension_util.h"
 227 #include "chrome/browser/media/cast_transport_host_filter.h"
 228 #include "chrome/browser/speech/extension_api/tts_engine_extension_api.h"
 229 #include "extensions/browser/extension_registry.h"
 230 #include "extensions/browser/guest_view/guest_view_base.h"
 231 #include "extensions/browser/guest_view/guest_view_manager.h"
 232 #include "extensions/browser/guest_view/web_view/web_view_guest.h"
 233 #include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
 234 #include "extensions/browser/guest_view/web_view/web_view_renderer_state.h"
 235 #include "extensions/common/constants.h"
 236 #include "extensions/common/extension.h"
 237 #include "extensions/common/extension_set.h"
 238 #include "extensions/common/manifest_handlers/background_info.h"
 239 #include "extensions/common/manifest_handlers/shared_module_info.h"
 240 #include "extensions/common/permissions/permissions_data.h"
 241 #include "extensions/common/permissions/socket_permission.h"
 242 #include "extensions/common/switches.h"
 243 #endif
 244
 245 #if defined(ENABLE_PLUGINS)
 246 #include "chrome/browser/plugins/chrome_content_browser_client_plugins_part.h"
 247 #endif
 248
 249 #if defined(ENABLE_SPELLCHECK)
 250 #include "chrome/browser/spellchecker/spellcheck_message_filter.h"
 251 #endif
 252
 253 #if defined(ENABLE_WEBRTC)
 254 #include "chrome/browser/media/webrtc_logging_handler_host.h"
 255 #endif
 256
 257 using base::FileDescriptor;
 258 using blink::WebWindowFeatures;
 259 using content::AccessTokenStore;
 260 using content::BrowserThread;
 261 using content::BrowserURLHandler;
 262 using content::ChildProcessSecurityPolicy;
 263 using content::QuotaPermissionContext;
 264 using content::RenderFrameHost;
 265 using content::RenderViewHost;
 266 using content::ResourceType;
 267 using content::SiteInstance;
 268 using content::WebContents;
 269 using content::WebPreferences;
 270 using message_center::NotifierId;
 271
 272 #if defined(OS_POSIX)
 273 using content::FileDescriptorInfo;
 274 #endif
 275
 276 #if defined(ENABLE_EXTENSIONS)
 277 using extensions::APIPermission;
 278 using extensions::ChromeContentBrowserClientExtensionsPart;
 279 using extensions::Extension;
 280 using extensions::InfoMap;
 281 using extensions::Manifest;
 282 #endif
 283
 284 #if defined(ENABLE_PLUGINS)
 285 using plugins::ChromeContentBrowserClientPluginsPart;
 286 #endif
 287
 288 namespace {
 289
 290 // Cached version of the locale so we can return the locale on the I/O
 291 // thread.
 292 base::LazyInstance<std::string> g_io_thread_application_locale;
 293
 294 #if defined(ENABLE_PLUGINS)
 295 // TODO(teravest): Add renderer-side API-specific checking for these APIs so
 296 // that blanket permission isn't granted to all dev channel APIs for these.
 297 // http://crbug.com/386743
 298 const char* const kPredefinedAllowedDevChannelOrigins[] = {
 299   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/383937
 300   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/383937
 301 };
 302
 303 const char* const kPredefinedAllowedFileHandleOrigins[] = {
 304   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 305   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/234789
 306 };
 307
 308 const char* const kPredefinedAllowedSocketOrigins[] = {
 309   "okddffdblfhhnmhodogpojmfkjmhinfp",  // Test SSH Client
 310   "pnhechapfaindjhompbnflcldabbghjo",  // HTerm App (SSH Client)
 311   "bglhmjfplikpjnfoegeomebmfnkjomhe",  // see crbug.com/122126
 312   "gbchcmhmhahfdphkhkmpfmihenigjmpp",  // Chrome Remote Desktop
 313   "kgngmbheleoaphbjbaiobfdepmghbfah",  // Pre-release Chrome Remote Desktop
 314   "odkaodonbgfohohmklejpjiejmcipmib",  // Dogfood Chrome Remote Desktop
 315   "ojoimpklfciegopdfgeenehpalipignm",  // Chromoting canary
 316   "cbkkbcmdlboombapidmoeolnmdacpkch",  // see crbug.com/129089
 317   "hhnbmknkdabfoieppbbljkhkfjcmcbjh",  // see crbug.com/134099
 318   "mablfbjkhmhkmefkjjacnbaikjkipphg",  // see crbug.com/134099
 319   "pdeelgamlgannhelgoegilelnnojegoh",  // see crbug.com/134099
 320   "cabapfdbkniadpollkckdnedaanlciaj",  // see crbug.com/134099
 321   "mapljbgnjledlpdmlchihnmeclmefbba",  // see crbug.com/134099
 322   "ghbfeebgmiidnnmeobbbaiamklmpbpii",  // see crbug.com/134099
 323   "jdfhpkjeckflbbleddjlpimecpbjdeep",  // see crbug.com/142514
 324   "iabmpiboiopbgfabjmgeedhcmjenhbla",  // see crbug.com/165080
 325   "B7CF8A292249681AF81771650BA4CEEAF19A4560",  // see crbug.com/165080
 326   "7525AF4F66763A70A883C4700529F647B470E4D2",  // see crbug.com/238084
 327   "0B549507088E1564D672F7942EB87CA4DAD73972",  // see crbug.com/238084
 328   "864288364E239573E777D3E0E36864E590E95C74"   // see crbug.com/238084
 329 };
 330 #endif
 331
 332 // Returns a copy of the given url with its host set to given host and path set
 333 // to given path. Other parts of the url will be the same.
 334 GURL ReplaceURLHostAndPath(const GURL& url,
 335                            const std::string& host,
 336                            const std::string& path) {
 337   url::Replacements<char> replacements;
 338   replacements.SetHost(host.c_str(), url::Component(0, host.length()));
 339   replacements.SetPath(path.c_str(), url::Component(0, path.length()));
 340   return url.ReplaceComponents(replacements);
 341 }
 342
 343 // Maps "foo://bar/baz/" to "foo://chrome/bar/baz/".
 344 GURL AddUberHost(const GURL& url) {
 345   const std::string uber_host = chrome::kChromeUIUberHost;
 346   const std::string new_path = url.host() + url.path();
 347
 348   return ReplaceURLHostAndPath(url, uber_host, new_path);
 349 }
 350
 351 // If url->host() is "chrome" and url->path() has characters other than the
 352 // first slash, changes the url from "foo://chrome/bar/" to "foo://bar/" and
 353 // returns true. Otherwise returns false.
 354 bool RemoveUberHost(GURL* url) {
 355   if (url->host() != chrome::kChromeUIUberHost)
 356     return false;
 357
 358   if (url->path().empty() || url->path() == "/")
 359     return false;
 360
 361   const std::string old_path = url->path();
 362
 363   const std::string::size_type separator = old_path.find('/', 1);
 364   std::string new_host;
 365   std::string new_path;
 366   if (separator == std::string::npos) {
 367     new_host = old_path.substr(1);
 368   } else {
 369     new_host = old_path.substr(1, separator - 1);
 370     new_path = old_path.substr(separator);
 371   }
 372
 373   // Do not allow URLs with paths empty before the first slash since we can't
 374   // have an empty host. (e.g "foo://chrome//")
 375   if (new_host.empty())
 376     return false;
 377
 378   *url = ReplaceURLHostAndPath(*url, new_host, new_path);
 379
 380   DCHECK(url->is_valid());
 381
 382   return true;
 383 }
 384
 385 // Handles rewriting Web UI URLs.
 386 bool HandleWebUI(GURL* url, content::BrowserContext* browser_context) {
 387   // Do not handle special URLs such as "about:foo"
 388   if (!url->host().empty()) {
 389     const GURL chrome_url = AddUberHost(*url);
 390
 391     // Handle valid "chrome://chrome/foo" URLs so the reverse handler will
 392     // be called.
 393     if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 394             browser_context, chrome_url))
 395       return true;
 396   }
 397
 398   if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 399           browser_context, *url))
 400     return false;
 401
 402 #if defined(OS_CHROMEOS)
 403   // Special case : in ChromeOS in Guest mode bookmarks and history are
 404   // disabled for security reasons. New tab page explains the reasons, so
 405   // we redirect user to new tab page.
 406   if (user_manager::UserManager::Get()->IsLoggedInAsGuest()) {
 407     if (url->SchemeIs(content::kChromeUIScheme) &&
 408         (url->DomainIs(chrome::kChromeUIBookmarksHost) ||
 409          url->DomainIs(chrome::kChromeUIHistoryHost))) {
 410       // Rewrite with new tab URL
 411       *url = GURL(chrome::kChromeUINewTabURL);
 412     }
 413   }
 414 #endif
 415
 416   return true;
 417 }
 418
 419 // Reverse URL handler for Web UI. Maps "chrome://chrome/foo/" to
 420 // "chrome://foo/".
 421 bool HandleWebUIReverse(GURL* url, content::BrowserContext* browser_context) {
 422   if (!url->is_valid() || !url->SchemeIs(content::kChromeUIScheme))
 423     return false;
 424
 425   return RemoveUberHost(url);
 426 }
 427
 428 bool CertMatchesFilter(const net::X509Certificate& cert,
 429                        const base::DictionaryValue& filter) {
 430   // TODO(markusheintz): This is the minimal required filter implementation.
 431   // Implement a better matcher.
 432
 433   // An empty filter matches any client certificate since no requirements are
 434   // specified at all.
 435   if (filter.empty())
 436     return true;
 437
 438   std::string common_name;
 439   if (filter.GetString("ISSUER.CN", &common_name) &&
 440       (cert.issuer().common_name == common_name)) {
 441     return true;
 442   }
 443   return false;
 444 }
 445
 446 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 447 breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
 448     const std::string& process_type) {
 449   base::FilePath dumps_path;
 450   PathService::Get(chrome::DIR_CRASH_DUMPS, &dumps_path);
 451   {
 452     ANNOTATE_SCOPED_MEMORY_LEAK;
 453     bool upload = (getenv(env_vars::kHeadless) == NULL);
 454     breakpad::CrashHandlerHostLinux* crash_handler =
 455         new breakpad::CrashHandlerHostLinux(process_type, dumps_path, upload);
 456     crash_handler->StartUploaderThread();
 457     return crash_handler;
 458   }
 459 }
 460
 461 int GetCrashSignalFD(const base::CommandLine& command_line) {
 462   // Extensions have the same process type as renderers.
 463   if (command_line.HasSwitch(extensions::switches::kExtensionProcess)) {
 464     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 465     if (!crash_handler)
 466       crash_handler = CreateCrashHandlerHost("extension");
 467     return crash_handler->GetDeathSignalSocket();
 468   }
 469
 470   std::string process_type =
 471       command_line.GetSwitchValueASCII(switches::kProcessType);
 472
 473   if (process_type == switches::kRendererProcess) {
 474     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 475     if (!crash_handler)
 476       crash_handler = CreateCrashHandlerHost(process_type);
 477     return crash_handler->GetDeathSignalSocket();
 478   }
 479
 480   if (process_type == switches::kPluginProcess) {
 481     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 482     if (!crash_handler)
 483       crash_handler = CreateCrashHandlerHost(process_type);
 484     return crash_handler->GetDeathSignalSocket();
 485   }
 486
 487   if (process_type == switches::kPpapiPluginProcess) {
 488     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 489     if (!crash_handler)
 490       crash_handler = CreateCrashHandlerHost(process_type);
 491     return crash_handler->GetDeathSignalSocket();
 492   }
 493
 494   if (process_type == switches::kGpuProcess) {
 495     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 496     if (!crash_handler)
 497       crash_handler = CreateCrashHandlerHost(process_type);
 498     return crash_handler->GetDeathSignalSocket();
 499   }
 500
 501   return -1;
 502 }
 503 #endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 504
 505 #if !defined(OS_CHROMEOS)
 506 GURL GetEffectiveURLForSignin(const GURL& url) {
 507   CHECK(SigninManager::IsWebBasedSigninFlowURL(url));
 508
 509   GURL effective_url(SigninManager::kChromeSigninEffectiveSite);
 510   // Copy the path because the argument to SetPathStr must outlive
 511   // the Replacements object.
 512   const std::string path_copy(url.path());
 513   GURL::Replacements replacements;
 514   replacements.SetPathStr(path_copy);
 515   effective_url = effective_url.ReplaceComponents(replacements);
 516   return effective_url;
 517 }
 518 #endif
 519
 520 void SetApplicationLocaleOnIOThread(const std::string& locale) {
 521   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 522   g_io_thread_application_locale.Get() = locale;
 523 }
 524
 525 void HandleBlockedPopupOnUIThread(const BlockedWindowParams& params) {
 526   // TODO(jochen): This code path should use RenderFrameHosts. See
 527   // http://crbug.com/431769 for details.
 528   RenderViewHost* render_view_host =
 529       RenderViewHost::FromID(params.render_process_id(), params.opener_id());
 530   if (!render_view_host)
 531     return;
 532   WebContents* tab = WebContents::FromRenderViewHost(render_view_host);
 533   // The tab might already have navigated away.
 534   if (!tab || tab->GetRenderViewHost() != render_view_host)
 535     return;
 536
 537   prerender::PrerenderContents* prerender_contents =
 538       prerender::PrerenderContents::FromWebContents(tab);
 539   if (prerender_contents) {
 540     prerender_contents->Destroy(prerender::FINAL_STATUS_CREATE_NEW_WINDOW);
 541     return;
 542   }
 543
 544   PopupBlockerTabHelper* popup_helper =
 545       PopupBlockerTabHelper::FromWebContents(tab);
 546   if (!popup_helper)
 547     return;
 548   popup_helper->AddBlockedPopup(params);
 549 }
 550
 551 #if defined(OS_ANDROID)
 552
 553 void HandleSingleTabModeBlockOnUIThread(const BlockedWindowParams& params) {
 554   WebContents* web_contents =
 555       tab_util::GetWebContentsByID(params.render_process_id(),
 556                                    params.opener_id());
 557   if (!web_contents)
 558     return;
 559
 560   SingleTabModeTabHelper::FromWebContents(web_contents)->HandleOpenUrl(params);
 561 }
 562
 563 float GetDeviceScaleAdjustment() {
 564   static const float kMinFSM = 1.05f;
 565   static const int kWidthForMinFSM = 320;
 566   static const float kMaxFSM = 1.3f;
 567   static const int kWidthForMaxFSM = 800;
 568
 569   gfx::DeviceDisplayInfo info;
 570   int minWidth = info.GetSmallestDIPWidth();
 571
 572   if (minWidth <= kWidthForMinFSM)
 573     return kMinFSM;
 574   if (minWidth >= kWidthForMaxFSM)
 575     return kMaxFSM;
 576
 577   // The font scale multiplier varies linearly between kMinFSM and kMaxFSM.
 578   float ratio = static_cast<float>(minWidth - kWidthForMinFSM) /
 579       (kWidthForMaxFSM - kWidthForMinFSM);
 580   return ratio * (kMaxFSM - kMinFSM) + kMinFSM;
 581 }
 582
 583 #endif  // defined(OS_ANDROID)
 584
 585 #if defined(ENABLE_EXTENSIONS)
 586 // By default, JavaScript and images are enabled in guest content.
 587 void GetGuestViewDefaultContentSettingRules(
 588     bool incognito,
 589     RendererContentSettingRules* rules) {
 590   rules->image_rules.push_back(
 591       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 592                                   ContentSettingsPattern::Wildcard(),
 593                                   CONTENT_SETTING_ALLOW,
 594                                   std::string(),
 595                                   incognito));
 596
 597   rules->script_rules.push_back(
 598       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 599                                   ContentSettingsPattern::Wildcard(),
 600                                   CONTENT_SETTING_ALLOW,
 601                                   std::string(),
 602                                   incognito));
 603 }
 604 #endif  // defined(ENALBE_EXTENSIONS)
 605
 606 content::PermissionStatus
 607 ContentSettingToPermissionStatus(ContentSetting setting) {
 608   switch (setting) {
 609     case CONTENT_SETTING_ALLOW:
 610     case CONTENT_SETTING_SESSION_ONLY:
 611       return content::PERMISSION_STATUS_GRANTED;
 612     case CONTENT_SETTING_BLOCK:
 613       return content::PERMISSION_STATUS_DENIED;
 614     case CONTENT_SETTING_ASK:
 615       return content::PERMISSION_STATUS_ASK;
 616     case CONTENT_SETTING_DETECT_IMPORTANT_CONTENT:
 617     case CONTENT_SETTING_DEFAULT:
 618     case CONTENT_SETTING_NUM_SETTINGS:
 619       break;
 620   }
 621   NOTREACHED();
 622   return content::PERMISSION_STATUS_DENIED;
 623 }
 624
 625 }  // namespace
 626
 627 namespace chrome {
 628
 629 ChromeContentBrowserClient::ChromeContentBrowserClient()
 630     : prerender_tracker_(NULL),
 631       weak_factory_(this) {
 632 #if defined(ENABLE_PLUGINS)
 633   for (size_t i = 0; i < arraysize(kPredefinedAllowedDevChannelOrigins); ++i)
 634     allowed_dev_channel_origins_.insert(kPredefinedAllowedDevChannelOrigins[i]);
 635   for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
 636     allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
 637   for (size_t i = 0; i < arraysize(kPredefinedAllowedSocketOrigins); ++i)
 638     allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
 639
 640   extra_parts_.push_back(new ChromeContentBrowserClientPluginsPart);
 641 #endif
 642
 643 #if !defined(OS_ANDROID)
 644   TtsExtensionEngine* tts_extension_engine = TtsExtensionEngine::GetInstance();
 645   TtsController::GetInstance()->SetTtsEngineDelegate(tts_extension_engine);
 646 #endif
 647
 648 #if defined(ENABLE_EXTENSIONS)
 649   extra_parts_.push_back(new ChromeContentBrowserClientExtensionsPart);
 650 #endif
 651 }
 652
 653 ChromeContentBrowserClient::~ChromeContentBrowserClient() {
 654   for (int i = static_cast<int>(extra_parts_.size()) - 1; i >= 0; --i)
 655     delete extra_parts_[i];
 656   extra_parts_.clear();
 657 }
 658
 659 // static
 660 void ChromeContentBrowserClient::RegisterProfilePrefs(
 661     user_prefs::PrefRegistrySyncable* registry) {
 662   registry->RegisterBooleanPref(
 663       prefs::kDisable3DAPIs,
 664       false,
 665       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 666   registry->RegisterBooleanPref(
 667       prefs::kEnableHyperlinkAuditing,
 668       true,
 669       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 670   registry->RegisterListPref(
 671       prefs::kEnableDeprecatedWebPlatformFeatures,
 672       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 673 }
 674
 675 // static
 676 void ChromeContentBrowserClient::SetApplicationLocale(
 677     const std::string& locale) {
 678   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 679
 680   // This object is guaranteed to outlive all threads so we don't have to
 681   // worry about the lack of refcounting and can just post as Unretained.
 682   //
 683   // The common case is that this function is called early in Chrome startup
 684   // before any threads are created (it will also be called later if the user
 685   // changes the pref). In this case, there will be no threads created and
 686   // posting will fail. When there are no threads, we can just set the string
 687   // without worrying about threadsafety.
 688   if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
 689           base::Bind(&SetApplicationLocaleOnIOThread, locale))) {
 690     g_io_thread_application_locale.Get() = locale;
 691   }
 692 }
 693
 694 content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
 695     const content::MainFunctionParams& parameters) {
 696   ChromeBrowserMainParts* main_parts;
 697   // Construct the Main browser parts based on the OS type.
 698 #if defined(OS_WIN)
 699   main_parts = new ChromeBrowserMainPartsWin(parameters);
 700 #elif defined(OS_MACOSX)
 701   main_parts = new ChromeBrowserMainPartsMac(parameters);
 702 #elif defined(OS_CHROMEOS)
 703   main_parts = new chromeos::ChromeBrowserMainPartsChromeos(parameters);
 704 #elif defined(OS_LINUX)
 705   main_parts = new ChromeBrowserMainPartsLinux(parameters);
 706 #elif defined(OS_ANDROID)
 707   main_parts = new ChromeBrowserMainPartsAndroid(parameters);
 708 #elif defined(OS_POSIX)
 709   main_parts = new ChromeBrowserMainPartsPosix(parameters);
 710 #else
 711   NOTREACHED();
 712   main_parts = new ChromeBrowserMainParts(parameters);
 713 #endif
 714
 715   chrome::AddProfilesExtraParts(main_parts);
 716
 717   // Construct additional browser parts. Stages are called in the order in
 718   // which they are added.
 719 #if defined(TOOLKIT_VIEWS)
 720   main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
 721 #endif
 722
 723 // TODO(oshima): Athena on chrome currently requires USE_ASH to build.
 724 // We should reduce the dependency as much as possible.
 725 #if defined(USE_ATHENA)
 726   main_parts->AddParts(CreateChromeBrowserMainExtraPartsAthena());
 727 #elif defined(USE_ASH)
 728   main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
 729 #endif
 730
 731 #if defined(USE_AURA)
 732   main_parts->AddParts(new ChromeBrowserMainExtraPartsAura());
 733 #endif
 734
 735 #if defined(USE_X11)
 736   main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
 737 #endif
 738
 739   chrome::AddMetricsExtraParts(main_parts);
 740
 741   return main_parts;
 742 }
 743
 744 std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
 745     content::BrowserContext* browser_context,
 746     const GURL& site) {
 747   std::string partition_id;
 748
 749   // The partition ID for webview guest processes is the string value of its
 750   // SiteInstance URL - "chrome-guest://app_id/persist?partition".
 751   if (site.SchemeIs(content::kGuestScheme)) {
 752     partition_id = site.spec();
 753   } else if (site.GetOrigin().spec() == kChromeUIChromeSigninURL &&
 754             !switches::IsEnableWebviewBasedSignin()) {
 755     // Chrome signin page has an embedded iframe of extension and web content,
 756     // thus it must be isolated from other webUI pages.
 757     partition_id = site.GetOrigin().spec();
 758   }
 759
 760   DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
 761   return partition_id;
 762 }
 763
 764 bool ChromeContentBrowserClient::IsValidStoragePartitionId(
 765     content::BrowserContext* browser_context,
 766     const std::string& partition_id) {
 767   // The default ID is empty and is always valid.
 768   if (partition_id.empty())
 769     return true;
 770
 771   return GURL(partition_id).is_valid();
 772 }
 773
 774 void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
 775     content::BrowserContext* browser_context,
 776     const GURL& site,
 777     bool can_be_default,
 778     std::string* partition_domain,
 779     std::string* partition_name,
 780     bool* in_memory) {
 781   // Default to the browser-wide storage partition and override based on |site|
 782   // below.
 783   partition_domain->clear();
 784   partition_name->clear();
 785   *in_memory = false;
 786
 787   bool success = false;
 788 #if defined(ENABLE_EXTENSIONS)
 789   success = extensions::WebViewGuest::GetGuestPartitionConfigForSite(
 790       site, partition_domain, partition_name, in_memory);
 791
 792   if (!success && site.SchemeIs(extensions::kExtensionScheme)) {
 793     // If |can_be_default| is false, the caller is stating that the |site|
 794     // should be parsed as if it had isolated storage. In particular it is
 795     // important to NOT check ExtensionService for the is_storage_isolated()
 796     // attribute because this code path is run during Extension uninstall
 797     // to do cleanup after the Extension has already been unloaded from the
 798     // ExtensionService.
 799     bool is_isolated = !can_be_default;
 800     if (can_be_default) {
 801       if (extensions::util::SiteHasIsolatedStorage(site, browser_context))
 802         is_isolated = true;
 803     }
 804
 805     if (is_isolated) {
 806       CHECK(site.has_host());
 807       // For extensions with isolated storage, the the host of the |site| is
 808       // the |partition_domain|. The |in_memory| and |partition_name| are only
 809       // used in guest schemes so they are cleared here.
 810       *partition_domain = site.host();
 811       *in_memory = false;
 812       partition_name->clear();
 813     }
 814     success = true;
 815   }
 816 #endif
 817
 818   if (!success && (site.GetOrigin().spec() == kChromeUIChromeSigninURL) &&
 819       !switches::IsEnableWebviewBasedSignin()) {
 820     // Chrome signin page has an embedded iframe of extension and web content,
 821     // thus it must be isolated from other webUI pages.
 822     *partition_domain = chrome::kChromeUIChromeSigninHost;
 823   }
 824
 825   // Assert that if |can_be_default| is false, the code above must have found a
 826   // non-default partition.  If this fails, the caller has a serious logic
 827   // error about which StoragePartition they expect to be in and it is not
 828   // safe to continue.
 829   CHECK(can_be_default || !partition_domain->empty());
 830 }
 831
 832 content::WebContentsViewDelegate*
 833     ChromeContentBrowserClient::GetWebContentsViewDelegate(
 834         content::WebContents* web_contents) {
 835 #if defined(USE_ATHENA)
 836   return athena::CreateWebContentsViewDelegate(web_contents);
 837 #else
 838   return chrome::CreateWebContentsViewDelegate(web_contents);
 839 #endif
 840 }
 841
 842 void ChromeContentBrowserClient::RenderProcessWillLaunch(
 843     content::RenderProcessHost* host) {
 844   int id = host->GetID();
 845   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
 846   net::URLRequestContextGetter* context =
 847       profile->GetRequestContextForRenderProcess(id);
 848
 849   host->AddFilter(new ChromeRenderMessageFilter(id, profile));
 850 #if defined(ENABLE_EXTENSIONS)
 851   host->AddFilter(new cast::CastTransportHostFilter);
 852 #endif
 853 #if defined(ENABLE_PRINTING)
 854   host->AddFilter(new printing::PrintingMessageFilter(id, profile));
 855 #endif
 856   host->AddFilter(new SearchProviderInstallStateMessageFilter(id, profile));
 857 #if defined(ENABLE_SPELLCHECK)
 858   host->AddFilter(new SpellCheckMessageFilter(id));
 859 #endif
 860 #if defined(OS_MACOSX)
 861   host->AddFilter(new SpellCheckMessageFilterMac(id));
 862 #endif
 863   host->AddFilter(new ChromeNetBenchmarkingMessageFilter(profile, context));
 864   host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
 865   host->AddFilter(new TtsMessageFilter(id, host->GetBrowserContext()));
 866 #if defined(ENABLE_WEBRTC)
 867   WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
 868       new WebRtcLoggingHandlerHost(profile);
 869   host->SetWebRtcLogMessageCallback(base::Bind(
 870       &WebRtcLoggingHandlerHost::LogMessage, webrtc_logging_handler_host));
 871   host->AddFilter(webrtc_logging_handler_host);
 872   host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
 873       webrtc_logging_handler_host));
 874 #endif
 875 #if !defined(DISABLE_NACL)
 876   host->AddFilter(new nacl::NaClHostMessageFilter(
 877       id, profile->IsOffTheRecord(),
 878       profile->GetPath(),
 879       context));
 880 #endif
 881 #if defined(OS_ANDROID)
 882   host->AddFilter(new cdm::CdmMessageFilterAndroid());
 883 #endif
 884   if (switches::IsEnableAccountConsistency())
 885     host->AddFilter(new PrincipalsMessageFilter(id));
 886
 887   host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
 888       profile->IsOffTheRecord()));
 889
 890   for (size_t i = 0; i < extra_parts_.size(); ++i)
 891     extra_parts_[i]->RenderProcessWillLaunch(host);
 892
 893   RendererContentSettingRules rules;
 894   if (host->IsIsolatedGuest()) {
 895 #if defined(ENABLE_EXTENSIONS)
 896     GetGuestViewDefaultContentSettingRules(profile->IsOffTheRecord(), &rules);
 897 #else
 898     NOTREACHED();
 899 #endif
 900   } else {
 901     GetRendererContentSettingRules(
 902         profile->GetHostContentSettingsMap(), &rules);
 903   }
 904   host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
 905 }
 906
 907 GURL ChromeContentBrowserClient::GetEffectiveURL(
 908     content::BrowserContext* browser_context, const GURL& url) {
 909   Profile* profile = Profile::FromBrowserContext(browser_context);
 910   if (!profile)
 911     return url;
 912
 913   // If the input |url| should be assigned to the Instant renderer, make its
 914   // effective URL distinct from other URLs on the search provider's domain.
 915   if (chrome::ShouldAssignURLToInstantRenderer(url, profile))
 916     return chrome::GetEffectiveURLForInstant(url, profile);
 917
 918 #if !defined(OS_CHROMEOS)
 919   // If the input |url| should be assigned to the Signin renderer, make its
 920   // effective URL distinct from other URLs on the signin service's domain.
 921   // Note that the signin renderer will be allowed to sign the user in to
 922   // Chrome.
 923   if (SigninManager::IsWebBasedSigninFlowURL(url))
 924     return GetEffectiveURLForSignin(url);
 925 #endif
 926
 927 #if defined(ENABLE_EXTENSIONS)
 928   return ChromeContentBrowserClientExtensionsPart::GetEffectiveURL(
 929       profile, url);
 930 #else
 931   return url;
 932 #endif
 933 }
 934
 935 bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
 936     content::BrowserContext* browser_context, const GURL& effective_url) {
 937   // Non-extension, non-Instant URLs should generally use
 938   // process-per-site-instance.  Because we expect to use the effective URL,
 939   // URLs for hosted apps (apart from bookmark apps) should have an extension
 940   // scheme by now.
 941
 942   Profile* profile = Profile::FromBrowserContext(browser_context);
 943   if (!profile)
 944     return false;
 945
 946   if (chrome::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
 947     return true;
 948
 949 #if !defined(OS_CHROMEOS)
 950   if (SigninManager::IsWebBasedSigninFlowURL(effective_url))
 951     return true;
 952 #endif
 953
 954 #if defined(ENABLE_EXTENSIONS)
 955   return ChromeContentBrowserClientExtensionsPart::ShouldUseProcessPerSite(
 956       profile, effective_url);
 957 #else
 958   return false;
 959 #endif
 960 }
 961
 962 // These are treated as WebUI schemes but do not get WebUI bindings. Also,
 963 // view-source is allowed for these schemes.
 964 void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
 965     std::vector<std::string>* additional_schemes) {
 966   additional_schemes->push_back(chrome::kChromeSearchScheme);
 967   additional_schemes->push_back(dom_distiller::kDomDistillerScheme);
 968 }
 969
 970 void ChromeContentBrowserClient::GetAdditionalWebUIHostsToIgnoreParititionCheck(
 971     std::vector<std::string>* hosts) {
 972   hosts->push_back(chrome::kChromeUIExtensionIconHost);
 973   hosts->push_back(chrome::kChromeUIFaviconHost);
 974   hosts->push_back(chrome::kChromeUIThemeHost);
 975   hosts->push_back(chrome::kChromeUIThumbnailHost);
 976   hosts->push_back(chrome::kChromeUIThumbnailHost2);
 977   hosts->push_back(chrome::kChromeUIThumbnailListHost);
 978 }
 979
 980 net::URLRequestContextGetter*
 981 ChromeContentBrowserClient::CreateRequestContext(
 982     content::BrowserContext* browser_context,
 983     content::ProtocolHandlerMap* protocol_handlers,
 984     content::URLRequestInterceptorScopedVector request_interceptors) {
 985   Profile* profile = Profile::FromBrowserContext(browser_context);
 986   return profile->CreateRequestContext(protocol_handlers,
 987                                        request_interceptors.Pass());
 988 }
 989
 990 net::URLRequestContextGetter*
 991 ChromeContentBrowserClient::CreateRequestContextForStoragePartition(
 992     content::BrowserContext* browser_context,
 993     const base::FilePath& partition_path,
 994     bool in_memory,
 995     content::ProtocolHandlerMap* protocol_handlers,
 996     content::URLRequestInterceptorScopedVector request_interceptors) {
 997   Profile* profile = Profile::FromBrowserContext(browser_context);
 998   return profile->CreateRequestContextForStoragePartition(
 999       partition_path,
1000       in_memory,
1001       protocol_handlers,
1002       request_interceptors.Pass());
1003 }
1004
1005 bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
1006   return ProfileIOData::IsHandledURL(url);
1007 }
1008
1009 bool ChromeContentBrowserClient::CanCommitURL(
1010     content::RenderProcessHost* process_host,
1011     const GURL& url) {
1012 #if defined(ENABLE_EXTENSIONS)
1013   return ChromeContentBrowserClientExtensionsPart::CanCommitURL(
1014       process_host, url);
1015 #else
1016   return true;
1017 #endif
1018 }
1019
1020 bool ChromeContentBrowserClient::ShouldAllowOpenURL(
1021     content::SiteInstance* site_instance, const GURL& url) {
1022   GURL from_url = site_instance->GetSiteURL();
1023
1024 #if defined(ENABLE_EXTENSIONS)
1025   bool result;
1026   if (ChromeContentBrowserClientExtensionsPart::ShouldAllowOpenURL(
1027       site_instance, from_url, url, &result))
1028     return result;
1029 #endif
1030
1031   // Do not allow chrome://chrome-signin navigate to other chrome:// URLs, since
1032   // the signin page may host untrusted web content.
1033   if (from_url.GetOrigin().spec() == chrome::kChromeUIChromeSigninURL &&
1034       url.SchemeIs(content::kChromeUIScheme) &&
1035       url.host() != chrome::kChromeUIChromeSigninHost) {
1036     VLOG(1) << "Blocked navigation to " << url.spec() << " from "
1037             << chrome::kChromeUIChromeSigninURL;
1038     return false;
1039   }
1040
1041   return true;
1042 }
1043
1044 bool ChromeContentBrowserClient::IsSuitableHost(
1045     content::RenderProcessHost* process_host,
1046     const GURL& site_url) {
1047   Profile* profile =
1048       Profile::FromBrowserContext(process_host->GetBrowserContext());
1049   // This may be NULL during tests. In that case, just assume any site can
1050   // share any host.
1051   if (!profile)
1052     return true;
1053
1054   // Instant URLs should only be in the instant process and instant process
1055   // should only have Instant URLs.
1056   InstantService* instant_service =
1057       InstantServiceFactory::GetForProfile(profile);
1058   if (instant_service) {
1059     bool is_instant_process = instant_service->IsInstantProcess(
1060         process_host->GetID());
1061     bool should_be_in_instant_process =
1062         chrome::ShouldAssignURLToInstantRenderer(site_url, profile);
1063     if (is_instant_process || should_be_in_instant_process)
1064       return is_instant_process && should_be_in_instant_process;
1065   }
1066
1067 #if !defined(OS_CHROMEOS)
1068   SigninClient* signin_client =
1069       ChromeSigninClientFactory::GetForProfile(profile);
1070   if (signin_client && signin_client->IsSigninProcess(process_host->GetID()))
1071     return SigninManager::IsWebBasedSigninFlowURL(site_url);
1072 #endif
1073
1074 #if defined(ENABLE_EXTENSIONS)
1075   return ChromeContentBrowserClientExtensionsPart::IsSuitableHost(
1076       profile, process_host, site_url);
1077 #else
1078   return true;
1079 #endif
1080 }
1081
1082 bool ChromeContentBrowserClient::MayReuseHost(
1083     content::RenderProcessHost* process_host) {
1084   // If there is currently a prerender in progress for the host provided,
1085   // it may not be shared. We require prerenders to be by themselves in a
1086   // separate process, so that we can monitor their resource usage, and so that
1087   // we can track the cookies that they change.
1088   Profile* profile = Profile::FromBrowserContext(
1089       process_host->GetBrowserContext());
1090   prerender::PrerenderManager* prerender_manager =
1091       prerender::PrerenderManagerFactory::GetForProfile(profile);
1092   if (prerender_manager &&
1093       !prerender_manager->MayReuseProcessHost(process_host)) {
1094     return false;
1095   }
1096
1097   return true;
1098 }
1099
1100 bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
1101     content::BrowserContext* browser_context, const GURL& url) {
1102   // It has to be a valid URL for us to check for an extension.
1103   if (!url.is_valid())
1104     return false;
1105
1106 #if defined(ENABLE_EXTENSIONS)
1107   Profile* profile = Profile::FromBrowserContext(browser_context);
1108   return ChromeContentBrowserClientExtensionsPart::
1109       ShouldTryToUseExistingProcessHost(
1110           profile, url);
1111 #else
1112   return false;
1113 #endif
1114 }
1115
1116 void ChromeContentBrowserClient::SiteInstanceGotProcess(
1117     SiteInstance* site_instance) {
1118   CHECK(site_instance->HasProcess());
1119
1120   Profile* profile = Profile::FromBrowserContext(
1121       site_instance->GetBrowserContext());
1122   if (!profile)
1123     return;
1124
1125   // Remember the ID of the Instant process to signal the renderer process
1126   // on startup in |AppendExtraCommandLineSwitches| below.
1127   if (chrome::ShouldAssignURLToInstantRenderer(
1128           site_instance->GetSiteURL(), profile)) {
1129     InstantService* instant_service =
1130         InstantServiceFactory::GetForProfile(profile);
1131     if (instant_service)
1132       instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
1133   }
1134
1135 #if !defined(OS_CHROMEOS)
1136   // We only expect there to be one signin process as we use process-per-site
1137   // for signin URLs. The signin process will be cleared from SigninManager
1138   // when the renderer is destroyed.
1139   if (SigninManager::IsWebBasedSigninFlowURL(site_instance->GetSiteURL())) {
1140     SigninClient* signin_client =
1141         ChromeSigninClientFactory::GetForProfile(profile);
1142     if (signin_client)
1143       signin_client->SetSigninProcess(site_instance->GetProcess()->GetID());
1144 #if defined(ENABLE_EXTENSIONS)
1145     ChromeContentBrowserClientExtensionsPart::SetSigninProcess(site_instance);
1146 #endif
1147   }
1148 #endif
1149
1150   for (size_t i = 0; i < extra_parts_.size(); ++i)
1151     extra_parts_[i]->SiteInstanceGotProcess(site_instance);
1152 }
1153
1154 void ChromeContentBrowserClient::SiteInstanceDeleting(
1155     SiteInstance* site_instance) {
1156   if (!site_instance->HasProcess())
1157     return;
1158
1159   for (size_t i = 0; i < extra_parts_.size(); ++i)
1160     extra_parts_[i]->SiteInstanceDeleting(site_instance);
1161 }
1162
1163 bool ChromeContentBrowserClient::ShouldSwapBrowsingInstancesForNavigation(
1164     SiteInstance* site_instance,
1165     const GURL& current_url,
1166     const GURL& new_url) {
1167 #if defined(ENABLE_EXTENSIONS)
1168   return ChromeContentBrowserClientExtensionsPart::
1169       ShouldSwapBrowsingInstancesForNavigation(
1170           site_instance, current_url, new_url);
1171 #else
1172   return false;
1173 #endif
1174 }
1175
1176 bool ChromeContentBrowserClient::ShouldSwapProcessesForRedirect(
1177     content::ResourceContext* resource_context, const GURL& current_url,
1178     const GURL& new_url) {
1179 #if defined(ENABLE_EXTENSIONS)
1180   return ChromeContentBrowserClientExtensionsPart::
1181       ShouldSwapProcessesForRedirect(resource_context, current_url, new_url);
1182 #else
1183   return false;
1184 #endif
1185 }
1186
1187 bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
1188   return !url.SchemeIs(chrome::kChromeNativeScheme);
1189 }
1190
1191 std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
1192     const std::string& alias_name) {
1193   return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
1194 }
1195
1196 namespace {
1197
1198 bool IsAutoReloadEnabled() {
1199   // Fetch the field trial, even though we don't use it. Calling FindFullName()
1200   // causes the field-trial mechanism to report which group we're in, which
1201   // might reflect a hard disable or hard enable via flag, both of which have
1202   // their own field trial groups. This lets us know what percentage of users
1203   // manually enable or disable auto-reload.
1204   std::string group = base::FieldTrialList::FindFullName(
1205       "AutoReloadExperiment");
1206   const base::CommandLine& browser_command_line =
1207       *base::CommandLine::ForCurrentProcess();
1208   if (browser_command_line.HasSwitch(switches::kEnableOfflineAutoReload))
1209     return true;
1210   if (browser_command_line.HasSwitch(switches::kDisableOfflineAutoReload))
1211     return false;
1212   return true;
1213 }
1214
1215 bool IsAutoReloadVisibleOnlyEnabled() {
1216   // See the block comment in IsAutoReloadEnabled().
1217   std::string group = base::FieldTrialList::FindFullName(
1218       "AutoReloadVisibleOnlyExperiment");
1219   const base::CommandLine& browser_command_line =
1220       *base::CommandLine::ForCurrentProcess();
1221   if (browser_command_line.HasSwitch(
1222       switches::kEnableOfflineAutoReloadVisibleOnly)) {
1223     return true;
1224   }
1225   if (browser_command_line.HasSwitch(
1226       switches::kDisableOfflineAutoReloadVisibleOnly)) {
1227     return false;
1228   }
1229   return true;
1230 }
1231
1232 }  // namespace
1233
1234 void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
1235     base::CommandLine* command_line,
1236     int child_process_id) {
1237 #if defined(OS_POSIX)
1238   if (breakpad::IsCrashReporterEnabled()) {
1239     scoped_ptr<metrics::ClientInfo> client_info =
1240         GoogleUpdateSettings::LoadMetricsClientInfo();
1241     command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1242                                     client_info ? client_info->client_id
1243                                                 : std::string());
1244   }
1245 #endif  // defined(OS_POSIX)
1246
1247   if (logging::DialogsAreSuppressed())
1248     command_line->AppendSwitch(switches::kNoErrorDialogs);
1249
1250   std::string process_type =
1251       command_line->GetSwitchValueASCII(switches::kProcessType);
1252   const base::CommandLine& browser_command_line =
1253       *base::CommandLine::ForCurrentProcess();
1254
1255   static const char* const kCommonSwitchNames[] = {
1256     switches::kUserAgent,
1257     switches::kUserDataDir,  // Make logs go to the right file.
1258   };
1259   command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
1260                                  arraysize(kCommonSwitchNames));
1261
1262 #if defined(ENABLE_IPC_FUZZER)
1263   static const char* const kIpcFuzzerSwitches[] = {
1264     switches::kIpcFuzzerTestcase,
1265   };
1266   command_line->CopySwitchesFrom(browser_command_line, kIpcFuzzerSwitches,
1267                                  arraysize(kIpcFuzzerSwitches));
1268 #endif
1269
1270 #if defined(OS_CHROMEOS)
1271   // On Chrome OS need to pass primary user homedir (in multi-profiles session).
1272   base::FilePath homedir;
1273   PathService::Get(base::DIR_HOME, &homedir);
1274   command_line->AppendSwitchASCII(chromeos::switches::kHomedir,
1275                                   homedir.value().c_str());
1276 #endif
1277
1278   if (process_type == switches::kRendererProcess) {
1279     content::RenderProcessHost* process =
1280         content::RenderProcessHost::FromID(child_process_id);
1281     Profile* profile =
1282         process ? Profile::FromBrowserContext(process->GetBrowserContext())
1283                 : NULL;
1284     for (size_t i = 0; i < extra_parts_.size(); ++i) {
1285       extra_parts_[i]->AppendExtraRendererCommandLineSwitches(
1286           command_line, process, profile);
1287     }
1288
1289 #if defined(OS_CHROMEOS)
1290     const std::string& login_profile =
1291         browser_command_line.GetSwitchValueASCII(
1292             chromeos::switches::kLoginProfile);
1293     if (!login_profile.empty())
1294       command_line->AppendSwitchASCII(
1295           chromeos::switches::kLoginProfile, login_profile);
1296 #endif
1297
1298 #if defined(ENABLE_WEBRTC)
1299     MaybeCopyDisableWebRtcEncryptionSwitch(command_line,
1300                                            browser_command_line,
1301                                            VersionInfo::GetChannel());
1302 #endif
1303
1304     if (process) {
1305       PrefService* prefs = profile->GetPrefs();
1306       // Currently this pref is only registered if applied via a policy.
1307       if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
1308           prefs->GetBoolean(prefs::kDisable3DAPIs)) {
1309         // Turn this policy into a command line switch.
1310         command_line->AppendSwitch(switches::kDisable3DAPIs);
1311       }
1312
1313       const base::ListValue* switches =
1314           prefs->GetList(prefs::kEnableDeprecatedWebPlatformFeatures);
1315       if (switches) {
1316         // Enable any deprecated features that have been re-enabled by policy.
1317         for (base::ListValue::const_iterator it = switches->begin();
1318              it != switches->end(); ++it) {
1319           std::string switch_to_enable;
1320           if ((*it)->GetAsString(&switch_to_enable))
1321             command_line->AppendSwitch(switch_to_enable);
1322         }
1323       }
1324
1325       // Disable client-side phishing detection in the renderer if it is
1326       // disabled in the Profile preferences or the browser process.
1327       if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
1328           !g_browser_process->safe_browsing_detection_service()) {
1329         command_line->AppendSwitch(
1330             switches::kDisableClientSidePhishingDetection);
1331       }
1332
1333       if (prefs->GetBoolean(prefs::kPrintPreviewDisabled))
1334         command_line->AppendSwitch(switches::kDisablePrintPreview);
1335
1336       InstantService* instant_service =
1337           InstantServiceFactory::GetForProfile(profile);
1338       if (instant_service &&
1339           instant_service->IsInstantProcess(process->GetID()))
1340         command_line->AppendSwitch(switches::kInstantProcess);
1341
1342 #if !defined(OS_CHROMEOS)
1343       SigninClient* signin_client =
1344           ChromeSigninClientFactory::GetForProfile(profile);
1345       if (signin_client && signin_client->IsSigninProcess(process->GetID()))
1346         command_line->AppendSwitch(switches::kSigninProcess);
1347 #endif
1348     }
1349
1350     if (IsAutoReloadEnabled())
1351       command_line->AppendSwitch(switches::kEnableOfflineAutoReload);
1352     if (IsAutoReloadVisibleOnlyEnabled()) {
1353       command_line->AppendSwitch(
1354           switches::kEnableOfflineAutoReloadVisibleOnly);
1355     }
1356
1357     {
1358       // Enable load stale cache if this session is in the field trial or
1359       // the user explicitly enabled it.  Note that as far as the renderer
1360       // is concerned, the feature is enabled if-and-only-if the
1361       // kEnableOfflineLoadStaleCache flag is on the command line;
1362       // the yes/no/default behavior is only at the browser command line
1363       // level.
1364
1365       // Command line switches override
1366       if (browser_command_line.HasSwitch(
1367               switches::kEnableOfflineLoadStaleCache)) {
1368         command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1369       } else if (!browser_command_line.HasSwitch(
1370           switches::kDisableOfflineLoadStaleCache)) {
1371         std::string group =
1372             base::FieldTrialList::FindFullName("LoadStaleCacheExperiment");
1373
1374         if (group == "Enabled")
1375           command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1376       }
1377     }
1378
1379     // Please keep this in alphabetical order.
1380     static const char* const kSwitchNames[] = {
1381       autofill::switches::kDisableFillOnAccountSelect,
1382       autofill::switches::kDisablePasswordGeneration,
1383       autofill::switches::kEnableFillOnAccountSelect,
1384       autofill::switches::kEnableFillOnAccountSelectNoHighlighting,
1385       autofill::switches::kEnablePasswordGeneration,
1386       autofill::switches::kEnablePasswordSaveOnInPageNavigation,
1387       autofill::switches::kEnableSingleClickAutofill,
1388       autofill::switches::kIgnoreAutocompleteOffForAutofill,
1389       autofill::switches::kLocalHeuristicsOnlyForPasswordGeneration,
1390       autofill::switches::kRespectAutocompleteOffForAutofill,
1391 #if defined(ENABLE_EXTENSIONS)
1392       extensions::switches::kAllowHTTPBackgroundPage,
1393       extensions::switches::kAllowLegacyExtensionManifests,
1394       extensions::switches::kEnableSurfaceWorker,
1395       extensions::switches::kEnableAppWindowControls,
1396       extensions::switches::kEnableEmbeddedExtensionOptions,
1397       extensions::switches::kEnableExperimentalExtensionApis,
1398       extensions::switches::kEnableScriptsRequireAction,
1399       extensions::switches::kExtensionsOnChromeURLs,
1400       extensions::switches::kWhitelistedExtensionID,
1401 #endif
1402       switches::kAppsCheckoutURL,
1403       switches::kAppsGalleryURL,
1404       switches::kCloudPrintURL,
1405       switches::kCloudPrintXmppEndpoint,
1406       switches::kDisableBundledPpapiFlash,
1407       switches::kDisableCastStreamingHWEncoding,
1408       switches::kDisableJavaScriptHarmonyShipping,
1409       switches::kDisableOutOfProcessPdf,
1410       switches::kEnableBenchmarking,
1411       switches::kEnableNaCl,
1412 #if !defined(DISABLE_NACL)
1413       switches::kEnableNaClDebug,
1414       switches::kEnableNaClNonSfiMode,
1415 #endif
1416       switches::kEnableNetBenchmarking,
1417       switches::kEnableNewBookmarkApps,
1418       switches::kEnableOutOfProcessPdf,
1419       switches::kEnablePluginPlaceholderShadowDom,
1420       switches::kEnableShowModalDialog,
1421       switches::kEnableWebBasedSignin,
1422       switches::kJavaScriptHarmony,
1423       switches::kMessageLoopHistogrammer,
1424       switches::kPlaybackMode,
1425       switches::kPpapiFlashArgs,
1426       switches::kPpapiFlashPath,
1427       switches::kPpapiFlashVersion,
1428       switches::kProfilingAtStart,
1429       switches::kProfilingFile,
1430       switches::kProfilingFlush,
1431       switches::kRecordMode,
1432       translate::switches::kTranslateSecurityOrigin,
1433     };
1434
1435     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1436                                    arraysize(kSwitchNames));
1437   } else if (process_type == switches::kUtilityProcess) {
1438 #if defined(ENABLE_EXTENSIONS)
1439     static const char* const kSwitchNames[] = {
1440       extensions::switches::kAllowHTTPBackgroundPage,
1441       extensions::switches::kEnableExperimentalExtensionApis,
1442       extensions::switches::kExtensionsOnChromeURLs,
1443       extensions::switches::kWhitelistedExtensionID,
1444     };
1445
1446     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1447                                    arraysize(kSwitchNames));
1448 #endif
1449   } else if (process_type == switches::kPluginProcess) {
1450 #if defined(OS_CHROMEOS)
1451     static const char* const kSwitchNames[] = {
1452       chromeos::switches::kLoginProfile,
1453     };
1454
1455     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1456                                    arraysize(kSwitchNames));
1457 #endif
1458   } else if (process_type == switches::kZygoteProcess) {
1459     static const char* const kSwitchNames[] = {
1460       // Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
1461       switches::kDisableBundledPpapiFlash,
1462 #if !defined(DISABLE_NACL)
1463       switches::kEnableNaClDebug,
1464       switches::kEnableNaClNonSfiMode,
1465       switches::kNaClDangerousNoSandboxNonSfi,
1466       switches::kUseNaClHelperNonSfi,
1467 #endif
1468       switches::kPpapiFlashPath,
1469       switches::kPpapiFlashVersion,
1470     };
1471
1472     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1473                                    arraysize(kSwitchNames));
1474   } else if (process_type == switches::kGpuProcess) {
1475     // If --ignore-gpu-blacklist is passed in, don't send in crash reports
1476     // because GPU is expected to be unreliable.
1477     if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
1478         !command_line->HasSwitch(switches::kDisableBreakpad))
1479       command_line->AppendSwitch(switches::kDisableBreakpad);
1480   }
1481
1482   // The command line switch kEnableBenchmarking needs to be specified along
1483   // with the kEnableStatsTable switch to ensure that the stats table global
1484   // is initialized correctly.
1485   if (command_line->HasSwitch(switches::kEnableBenchmarking))
1486     DCHECK(command_line->HasSwitch(switches::kEnableStatsTable));
1487 }
1488
1489 std::string ChromeContentBrowserClient::GetApplicationLocale() {
1490   if (BrowserThread::CurrentlyOn(BrowserThread::IO))
1491     return g_io_thread_application_locale.Get();
1492   return g_browser_process->GetApplicationLocale();
1493 }
1494
1495 std::string ChromeContentBrowserClient::GetAcceptLangs(
1496     content::BrowserContext* context) {
1497   Profile* profile = Profile::FromBrowserContext(context);
1498   return profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
1499 }
1500
1501 const gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
1502   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
1503   return rb.GetNativeImageNamed(IDR_DEFAULT_FAVICON).ToImageSkia();
1504 }
1505
1506 bool ChromeContentBrowserClient::AllowAppCache(
1507     const GURL& manifest_url,
1508     const GURL& first_party,
1509     content::ResourceContext* context) {
1510   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1511   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1512   return io_data->GetCookieSettings()->
1513       IsSettingCookieAllowed(manifest_url, first_party);
1514 }
1515
1516 bool ChromeContentBrowserClient::AllowServiceWorker(
1517     const GURL& scope,
1518     const GURL& first_party_url,
1519     content::ResourceContext* context) {
1520   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1521   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1522   return io_data->GetCookieSettings()->
1523       IsSettingCookieAllowed(scope, first_party_url);
1524 }
1525
1526 bool ChromeContentBrowserClient::AllowGetCookie(
1527     const GURL& url,
1528     const GURL& first_party,
1529     const net::CookieList& cookie_list,
1530     content::ResourceContext* context,
1531     int render_process_id,
1532     int render_frame_id) {
1533   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1534   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1535   bool allow = io_data->GetCookieSettings()->
1536       IsReadingCookieAllowed(url, first_party);
1537
1538   BrowserThread::PostTask(
1539       BrowserThread::UI, FROM_HERE,
1540       base::Bind(&TabSpecificContentSettings::CookiesRead, render_process_id,
1541                  render_frame_id, url, first_party, cookie_list, !allow, true));
1542   return allow;
1543 }
1544
1545 bool ChromeContentBrowserClient::AllowSetCookie(
1546     const GURL& url,
1547     const GURL& first_party,
1548     const std::string& cookie_line,
1549     content::ResourceContext* context,
1550     int render_process_id,
1551     int render_frame_id,
1552     net::CookieOptions* options) {
1553   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1554   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1555   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1556   bool allow = cookie_settings->IsSettingCookieAllowed(url, first_party);
1557
1558   if (prerender_tracker_) {
1559     prerender_tracker_->OnCookieChangedForURL(
1560         render_process_id,
1561         context->GetRequestContext()->cookie_store()->GetCookieMonster(),
1562         url);
1563   }
1564
1565   BrowserThread::PostTask(
1566       BrowserThread::UI, FROM_HERE,
1567       base::Bind(&TabSpecificContentSettings::CookieChanged, render_process_id,
1568                  render_frame_id, url, first_party, cookie_line, *options,
1569                  !allow));
1570   return allow;
1571 }
1572
1573 bool ChromeContentBrowserClient::AllowSaveLocalState(
1574     content::ResourceContext* context) {
1575   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1576   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1577   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1578   ContentSetting setting = cookie_settings->GetDefaultCookieSetting(NULL);
1579
1580   // TODO(bauerb): Should we also disallow local state if the default is BLOCK?
1581   // Could we even support per-origin settings?
1582   return setting != CONTENT_SETTING_SESSION_ONLY;
1583 }
1584
1585 bool ChromeContentBrowserClient::AllowWorkerDatabase(
1586     const GURL& url,
1587     const base::string16& name,
1588     const base::string16& display_name,
1589     unsigned long estimated_size,
1590     content::ResourceContext* context,
1591     const std::vector<std::pair<int, int> >& render_frames) {
1592   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1593   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1594   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1595   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1596
1597   // Record access to database for potential display in UI.
1598   std::vector<std::pair<int, int> >::const_iterator i;
1599   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1600     BrowserThread::PostTask(
1601         BrowserThread::UI, FROM_HERE,
1602         base::Bind(&TabSpecificContentSettings::WebDatabaseAccessed,
1603                    i->first, i->second, url, name, display_name, !allow));
1604   }
1605
1606   return allow;
1607 }
1608
1609 void ChromeContentBrowserClient::AllowWorkerFileSystem(
1610     const GURL& url,
1611     content::ResourceContext* context,
1612     const std::vector<std::pair<int, int> >& render_frames,
1613     base::Callback<void(bool)> callback) {
1614   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1615   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1616   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1617   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1618
1619 #if defined(ENABLE_EXTENSIONS)
1620   GuestPermissionRequestHelper(url, render_frames, callback, allow);
1621 #else
1622   FileSystemAccessed(url, render_frames, callback, allow);
1623 #endif
1624 }
1625
1626 #if defined(ENABLE_EXTENSIONS)
1627 void ChromeContentBrowserClient::GuestPermissionRequestHelper(
1628     const GURL& url,
1629     const std::vector<std::pair<int, int> >& render_frames,
1630     base::Callback<void(bool)> callback,
1631     bool allow) {
1632   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::IO));
1633   std::vector<std::pair<int, int> >::const_iterator i;
1634   std::map<int, int> process_map;
1635   std::map<int, int>::const_iterator it;
1636   bool has_web_view_guest = false;
1637   // Record access to file system for potential display in UI.
1638   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1639     if (process_map.find(i->first) != process_map.end())
1640       continue;
1641
1642     process_map.insert(std::pair<int, int>(i->first, i->second));
1643
1644     if (extensions::WebViewRendererState::GetInstance()->IsGuest(i->first))
1645       has_web_view_guest = true;
1646   }
1647   if (!has_web_view_guest) {
1648     FileSystemAccessed(url, render_frames, callback, allow);
1649     return;
1650   }
1651   DCHECK_EQ(1U, process_map.size());
1652   it = process_map.begin();
1653   BrowserThread::PostTask(
1654       BrowserThread::UI,
1655       FROM_HERE,
1656       base::Bind(&ChromeContentBrowserClient::
1657                   RequestFileSystemPermissionOnUIThread,
1658                   it->first,
1659                   it->second,
1660                   url,
1661                   allow,
1662                   base::Bind(&ChromeContentBrowserClient::FileSystemAccessed,
1663                             weak_factory_.GetWeakPtr(),
1664                             url,
1665                             render_frames,
1666                             callback)));
1667 }
1668
1669 void ChromeContentBrowserClient::RequestFileSystemPermissionOnUIThread(
1670     int render_process_id,
1671     int render_frame_id,
1672     const GURL& url,
1673     bool allowed_by_default,
1674     const base::Callback<void(bool)>& callback) {
1675   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::UI));
1676   extensions::WebViewPermissionHelper* web_view_permission_helper =
1677       extensions::WebViewPermissionHelper::FromFrameID(
1678           render_process_id, render_frame_id);
1679   web_view_permission_helper->RequestFileSystemPermission(url,
1680                                                           allowed_by_default,
1681                                                           callback);
1682 }
1683 #endif
1684
1685 void ChromeContentBrowserClient::FileSystemAccessed(
1686     const GURL& url,
1687     const std::vector<std::pair<int, int> >& render_frames,
1688     base::Callback<void(bool)> callback,
1689     bool allow) {
1690   // Record access to file system for potential display in UI.
1691   std::vector<std::pair<int, int> >::const_iterator i;
1692   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1693     BrowserThread::PostTask(
1694         BrowserThread::UI,
1695         FROM_HERE,
1696         base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
1697                    i->first, i->second, url, !allow));
1698   }
1699   callback.Run(allow);
1700 }
1701
1702 bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
1703     const GURL& url,
1704     const base::string16& name,
1705     content::ResourceContext* context,
1706     const std::vector<std::pair<int, int> >& render_frames) {
1707   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1708   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1709   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1710   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1711
1712   // Record access to IndexedDB for potential display in UI.
1713   std::vector<std::pair<int, int> >::const_iterator i;
1714   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1715     BrowserThread::PostTask(
1716         BrowserThread::UI, FROM_HERE,
1717         base::Bind(&TabSpecificContentSettings::IndexedDBAccessed,
1718                    i->first, i->second, url, name, !allow));
1719   }
1720
1721   return allow;
1722 }
1723
1724 net::URLRequestContext*
1725 ChromeContentBrowserClient::OverrideRequestContextForURL(
1726     const GURL& url, content::ResourceContext* context) {
1727   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1728 #if defined(ENABLE_EXTENSIONS)
1729   if (url.SchemeIs(extensions::kExtensionScheme)) {
1730     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1731     return io_data->extensions_request_context();
1732   }
1733 #endif
1734
1735   return NULL;
1736 }
1737
1738 QuotaPermissionContext*
1739 ChromeContentBrowserClient::CreateQuotaPermissionContext() {
1740   return new ChromeQuotaPermissionContext();
1741 }
1742
1743 void ChromeContentBrowserClient::AllowCertificateError(
1744     int render_process_id,
1745     int render_frame_id,
1746     int cert_error,
1747     const net::SSLInfo& ssl_info,
1748     const GURL& request_url,
1749     ResourceType resource_type,
1750     bool overridable,
1751     bool strict_enforcement,
1752     bool expired_previous_decision,
1753     const base::Callback<void(bool)>& callback,
1754     content::CertificateRequestResultType* result) {
1755   if (resource_type != content::RESOURCE_TYPE_MAIN_FRAME) {
1756     // A sub-resource has a certificate error.  The user doesn't really
1757     // have a context for making the right decision, so block the
1758     // request hard, without an info bar to allow showing the insecure
1759     // content.
1760     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
1761     return;
1762   }
1763
1764   // If the tab is being prerendered, cancel the prerender and the request.
1765   content::RenderFrameHost* render_frame_host =
1766       content::RenderFrameHost::FromID(render_process_id, render_frame_id);
1767   WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
1768   if (!tab) {
1769     NOTREACHED();
1770     return;
1771   }
1772
1773   prerender::PrerenderContents* prerender_contents =
1774       prerender::PrerenderContents::FromWebContents(tab);
1775   if (prerender_contents) {
1776     prerender_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
1777     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
1778     return;
1779   }
1780
1781   // Otherwise, display an SSL blocking page. The interstitial page takes
1782   // ownership of ssl_blocking_page.
1783   int options_mask = 0;
1784   if (overridable)
1785     options_mask |= SSLBlockingPage::OVERRIDABLE;
1786   if (strict_enforcement)
1787     options_mask |= SSLBlockingPage::STRICT_ENFORCEMENT;
1788   if (expired_previous_decision)
1789     options_mask |= SSLBlockingPage::EXPIRED_BUT_PREVIOUSLY_ALLOWED;
1790
1791   SSLErrorHandler::HandleSSLError(
1792       tab, cert_error, ssl_info, request_url, options_mask, callback);
1793 }
1794
1795 void ChromeContentBrowserClient::SelectClientCertificate(
1796     int render_process_id,
1797     int render_frame_id,
1798     net::SSLCertRequestInfo* cert_request_info,
1799     const base::Callback<void(net::X509Certificate*)>& callback) {
1800   content::RenderFrameHost* rfh = content::RenderFrameHost::FromID(
1801       render_process_id, render_frame_id);
1802   WebContents* tab = WebContents::FromRenderFrameHost(rfh);
1803   if (!tab) {
1804     // TODO(davidben): This makes the request hang, but returning no certificate
1805     // also breaks. It should abort the request. See https://crbug.com/417092
1806     return;
1807   }
1808
1809   prerender::PrerenderContents* prerender_contents =
1810       prerender::PrerenderContents::FromWebContents(tab);
1811   if (prerender_contents) {
1812     prerender_contents->Destroy(
1813         prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
1814     return;
1815   }
1816
1817   GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
1818   DCHECK(requesting_url.is_valid())
1819       << "Invalid URL string: https://"
1820       << cert_request_info->host_and_port.ToString();
1821
1822   Profile* profile = Profile::FromBrowserContext(tab->GetBrowserContext());
1823   scoped_ptr<base::Value> filter =
1824       profile->GetHostContentSettingsMap()->GetWebsiteSetting(
1825           requesting_url,
1826           requesting_url,
1827           CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
1828           std::string(),
1829           NULL);
1830
1831   if (filter.get()) {
1832     // Try to automatically select a client certificate.
1833     if (filter->IsType(base::Value::TYPE_DICTIONARY)) {
1834       base::DictionaryValue* filter_dict =
1835           static_cast<base::DictionaryValue*>(filter.get());
1836
1837       const std::vector<scoped_refptr<net::X509Certificate> >&
1838           all_client_certs = cert_request_info->client_certs;
1839       for (size_t i = 0; i < all_client_certs.size(); ++i) {
1840         if (CertMatchesFilter(*all_client_certs[i].get(), *filter_dict)) {
1841           // Use the first certificate that is matched by the filter.
1842           callback.Run(all_client_certs[i].get());
1843           return;
1844         }
1845       }
1846     } else {
1847       NOTREACHED();
1848     }
1849   }
1850
1851   chrome::ShowSSLClientCertificateSelector(tab, cert_request_info, callback);
1852 }
1853
1854 void ChromeContentBrowserClient::AddCertificate(
1855     net::CertificateMimeType cert_type,
1856     const void* cert_data,
1857     size_t cert_size,
1858     int render_process_id,
1859     int render_frame_id) {
1860   chrome::SSLAddCertificate(cert_type, cert_data, cert_size,
1861                             render_process_id, render_frame_id);
1862 }
1863
1864 content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
1865   return MediaCaptureDevicesDispatcher::GetInstance();
1866 }
1867
1868 content::PlatformNotificationService*
1869 ChromeContentBrowserClient::GetPlatformNotificationService() {
1870 #if defined(ENABLE_NOTIFICATIONS)
1871   return PlatformNotificationServiceImpl::GetInstance();
1872 #else
1873   NOTIMPLEMENTED();
1874   return NULL;
1875 #endif
1876 }
1877
1878 void ChromeContentBrowserClient::RequestPermission(
1879     content::PermissionType permission,
1880     content::WebContents* web_contents,
1881     int bridge_id,
1882     const GURL& requesting_frame,
1883     bool user_gesture,
1884     const base::Callback<void(bool)>& result_callback) {
1885   int render_process_id = web_contents->GetRenderProcessHost()->GetID();
1886   int render_view_id = web_contents->GetRenderViewHost()->GetRoutingID();
1887   Profile* profile =
1888       Profile::FromBrowserContext(web_contents->GetBrowserContext());
1889
1890   const PermissionRequestID request_id(render_process_id,
1891                                        render_view_id,
1892                                        bridge_id,
1893                                        requesting_frame);
1894
1895   switch (permission) {
1896     case content::PERMISSION_MIDI_SYSEX:
1897       MidiPermissionContextFactory::GetForProfile(profile)
1898           ->RequestPermission(web_contents,
1899                               request_id,
1900                               requesting_frame,
1901                               user_gesture,
1902                               result_callback);
1903       break;
1904     case content::PERMISSION_NOTIFICATIONS:
1905 #if defined(ENABLE_NOTIFICATIONS)
1906       DesktopNotificationServiceFactory::GetForProfile(profile)
1907           ->RequestNotificationPermission(web_contents,
1908                                           request_id,
1909                                           requesting_frame,
1910                                           user_gesture,
1911                                           result_callback);
1912 #else
1913       NOTIMPLEMENTED();
1914 #endif
1915       break;
1916     case content::PERMISSION_GEOLOCATION:
1917       GeolocationPermissionContextFactory::GetForProfile(profile)
1918           ->RequestPermission(web_contents,
1919                               request_id,
1920                               requesting_frame.GetOrigin(),
1921                               user_gesture,
1922                               result_callback);
1923       break;
1924     case content::PERMISSION_PROTECTED_MEDIA:
1925 #if defined(OS_ANDROID)
1926       ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(profile)
1927           ->RequestPermission(web_contents,
1928                               request_id,
1929                               requesting_frame.GetOrigin(),
1930                               user_gesture,
1931                               result_callback);
1932 #else
1933       NOTIMPLEMENTED();
1934 #endif
1935       break;
1936     case content::PERMISSION_PUSH_MESSAGING:
1937       gcm::PushMessagingPermissionContextFactory::GetForProfile(profile)
1938           ->RequestPermission(web_contents,
1939                               request_id,
1940                               requesting_frame.GetOrigin(),
1941                               user_gesture,
1942                               result_callback);
1943       break;
1944     case content::PERMISSION_NUM:
1945       NOTREACHED() << "Invalid RequestPermission for " << permission;
1946       break;
1947   }
1948 }
1949
1950 content::PermissionStatus ChromeContentBrowserClient::GetPermissionStatus(
1951     content::PermissionType permission,
1952     content::BrowserContext* browser_context,
1953     const GURL& requesting_origin,
1954     const GURL& embedding_origin) {
1955   DCHECK(browser_context);
1956   Profile* profile = Profile::FromBrowserContext(browser_context);
1957
1958   PermissionContextBase* context = nullptr;
1959   switch (permission) {
1960     case content::PERMISSION_MIDI_SYSEX:
1961       context = MidiPermissionContextFactory::GetForProfile(profile);
1962       break;
1963     case content::PERMISSION_NOTIFICATIONS:
1964 #if defined(ENABLE_NOTIFICATIONS)
1965       context = DesktopNotificationServiceFactory::GetForProfile(profile);
1966 #else
1967       NOTIMPLEMENTED();
1968 #endif
1969       break;
1970     case content::PERMISSION_GEOLOCATION:
1971       context = GeolocationPermissionContextFactory::GetForProfile(profile);
1972       break;
1973     case content::PERMISSION_PROTECTED_MEDIA:
1974       NOTIMPLEMENTED();
1975       break;
1976     case content::PERMISSION_PUSH_MESSAGING:
1977       context = gcm::PushMessagingPermissionContextFactory::GetForProfile(
1978           profile);
1979       break;
1980     case content::PERMISSION_NUM:
1981       NOTREACHED() << "Invalid RequestPermission for " << permission;
1982       break;
1983   }
1984
1985   ContentSetting result = context
1986       ? context->GetPermissionStatus(requesting_origin.GetOrigin(),
1987                                      embedding_origin.GetOrigin())
1988       : CONTENT_SETTING_DEFAULT;
1989
1990   return ContentSettingToPermissionStatus(result);
1991 }
1992
1993 void ChromeContentBrowserClient::CancelPermissionRequest(
1994     content::PermissionType permission,
1995     content::WebContents* web_contents,
1996     int bridge_id,
1997     const GURL& requesting_frame) {
1998   int render_process_id = web_contents->GetRenderProcessHost()->GetID();
1999   int render_view_id = web_contents->GetRenderViewHost()->GetRoutingID();
2000
2001   const PermissionRequestID request_id(render_process_id,
2002                                        render_view_id,
2003                                        bridge_id,
2004                                        requesting_frame);
2005   Profile* profile =
2006       Profile::FromBrowserContext(web_contents->GetBrowserContext());
2007   switch (permission) {
2008     case content::PERMISSION_MIDI_SYSEX:
2009       MidiPermissionContextFactory::GetForProfile(profile)
2010           ->CancelPermissionRequest(web_contents, request_id);
2011       break;
2012     case content::PERMISSION_NOTIFICATIONS:
2013 #if defined(ENABLE_NOTIFICATIONS)
2014       DesktopNotificationServiceFactory::GetForProfile(profile)
2015           ->CancelPermissionRequest(web_contents, request_id);
2016 #else
2017       NOTIMPLEMENTED();
2018 #endif
2019       break;
2020     case content::PERMISSION_GEOLOCATION:
2021       GeolocationPermissionContextFactory::GetForProfile(profile)
2022           ->CancelPermissionRequest(web_contents, request_id);
2023       break;
2024     case content::PERMISSION_PROTECTED_MEDIA:
2025 #if defined(OS_ANDROID)
2026       ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(profile)
2027           ->CancelPermissionRequest(web_contents, request_id);
2028 #else
2029       NOTIMPLEMENTED();
2030 #endif
2031       break;
2032     case content::PERMISSION_PUSH_MESSAGING:
2033       NOTIMPLEMENTED() << "CancelPermission not implemented for " << permission;
2034       break;
2035     case content::PERMISSION_NUM:
2036       NOTREACHED() << "Invalid CancelPermission for " << permission;
2037       break;
2038   }
2039 }
2040
2041 // Helper method to translate from Permissions to ContentSettings
2042 static ContentSettingsType PermissionToContentSetting(
2043     content::PermissionType permission) {
2044   switch (permission) {
2045     case content::PERMISSION_MIDI_SYSEX:
2046       return CONTENT_SETTINGS_TYPE_MIDI_SYSEX;
2047     case content::PERMISSION_PUSH_MESSAGING:
2048       return CONTENT_SETTINGS_TYPE_PUSH_MESSAGING;
2049     case content::PERMISSION_NOTIFICATIONS:
2050       return CONTENT_SETTINGS_TYPE_NOTIFICATIONS;
2051     case content::PERMISSION_GEOLOCATION:
2052       return CONTENT_SETTINGS_TYPE_GEOLOCATION;
2053 #if defined(OS_ANDROID) || defined(OS_CHROMEOS)
2054     case content::PERMISSION_PROTECTED_MEDIA:
2055       return CONTENT_SETTINGS_TYPE_PROTECTED_MEDIA_IDENTIFIER;
2056 #endif
2057     default:
2058       NOTREACHED() << "Unknown content setting for permission " << permission;
2059       return CONTENT_SETTINGS_TYPE_DEFAULT;
2060   }
2061 }
2062
2063 void ChromeContentBrowserClient::RegisterPermissionUsage(
2064     content::PermissionType permission,
2065     content::WebContents* web_contents,
2066     const GURL& frame_url,
2067     const GURL& main_frame_url) {
2068   Profile::FromBrowserContext(web_contents->GetBrowserContext())
2069       ->GetHostContentSettingsMap()
2070       ->UpdateLastUsage(
2071           frame_url, main_frame_url, PermissionToContentSetting(permission));
2072 }
2073
2074 bool ChromeContentBrowserClient::CanCreateWindow(
2075     const GURL& opener_url,
2076     const GURL& opener_top_level_frame_url,
2077     const GURL& source_origin,
2078     WindowContainerType container_type,
2079     const GURL& target_url,
2080     const content::Referrer& referrer,
2081     WindowOpenDisposition disposition,
2082     const WebWindowFeatures& features,
2083     bool user_gesture,
2084     bool opener_suppressed,
2085     content::ResourceContext* context,
2086     int render_process_id,
2087     int opener_id,
2088     bool* no_javascript_access) {
2089   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2090
2091   *no_javascript_access = false;
2092
2093   // If the opener is trying to create a background window but doesn't have
2094   // the appropriate permission, fail the attempt.
2095   if (container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
2096 #if defined(ENABLE_EXTENSIONS)
2097     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2098     InfoMap* map = io_data->GetExtensionInfoMap();
2099     if (!map->SecurityOriginHasAPIPermission(
2100             source_origin,
2101             render_process_id,
2102             APIPermission::kBackground)) {
2103       return false;
2104     }
2105
2106     // Note: this use of GetExtensionOrAppByURL is safe but imperfect.  It may
2107     // return a recently installed Extension even if this CanCreateWindow call
2108     // was made by an old copy of the page in a normal web process.  That's ok,
2109     // because the permission check above would have caused an early return
2110     // already. We must use the full URL to find hosted apps, though, and not
2111     // just the origin.
2112     const Extension* extension =
2113         map->extensions().GetExtensionOrAppByURL(opener_url);
2114     if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
2115       *no_javascript_access = true;
2116 #endif
2117
2118     return true;
2119   }
2120
2121 #if defined(ENABLE_EXTENSIONS)
2122   if (extensions::WebViewRendererState::GetInstance()->IsGuest(
2123       render_process_id))
2124     return true;
2125 #endif
2126
2127   HostContentSettingsMap* content_settings =
2128       ProfileIOData::FromResourceContext(context)->GetHostContentSettingsMap();
2129   BlockedWindowParams blocked_params(target_url,
2130                                      referrer,
2131                                      disposition,
2132                                      features,
2133                                      user_gesture,
2134                                      opener_suppressed,
2135                                      render_process_id,
2136                                      opener_id);
2137
2138   if (!user_gesture &&
2139       !base::CommandLine::ForCurrentProcess()->HasSwitch(
2140           switches::kDisablePopupBlocking)) {
2141     if (content_settings->GetContentSetting(opener_top_level_frame_url,
2142                                             opener_top_level_frame_url,
2143                                             CONTENT_SETTINGS_TYPE_POPUPS,
2144                                             std::string()) !=
2145         CONTENT_SETTING_ALLOW) {
2146       BrowserThread::PostTask(BrowserThread::UI,
2147                               FROM_HERE,
2148                               base::Bind(&HandleBlockedPopupOnUIThread,
2149                                          blocked_params));
2150       return false;
2151     }
2152   }
2153
2154 #if defined(OS_ANDROID)
2155   if (SingleTabModeTabHelper::IsRegistered(render_process_id, opener_id)) {
2156     BrowserThread::PostTask(BrowserThread::UI,
2157                             FROM_HERE,
2158                             base::Bind(&HandleSingleTabModeBlockOnUIThread,
2159                                        blocked_params));
2160     return false;
2161   }
2162 #endif
2163
2164   return true;
2165 }
2166
2167 void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
2168   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
2169   prerender_tracker_ = g_browser_process->prerender_tracker();
2170   return g_browser_process->ResourceDispatcherHostCreated();
2171 }
2172
2173 content::SpeechRecognitionManagerDelegate*
2174     ChromeContentBrowserClient::CreateSpeechRecognitionManagerDelegate() {
2175   return new speech::ChromeSpeechRecognitionManagerDelegate();
2176 }
2177
2178 net::NetLog* ChromeContentBrowserClient::GetNetLog() {
2179   return g_browser_process->net_log();
2180 }
2181
2182 AccessTokenStore* ChromeContentBrowserClient::CreateAccessTokenStore() {
2183   return new ChromeAccessTokenStore();
2184 }
2185
2186 bool ChromeContentBrowserClient::IsFastShutdownPossible() {
2187   return true;
2188 }
2189
2190 void ChromeContentBrowserClient::OverrideWebkitPrefs(
2191     RenderViewHost* rvh, const GURL& url, WebPreferences* web_prefs) {
2192   Profile* profile = Profile::FromBrowserContext(
2193       rvh->GetProcess()->GetBrowserContext());
2194   PrefService* prefs = profile->GetPrefs();
2195
2196   // Fill per-script font preferences. These are not registered on Android
2197   // - http://crbug.com/308033.
2198 #if !defined(OS_ANDROID)
2199   FontFamilyCache::FillFontFamilyMap(profile,
2200                                      prefs::kWebKitStandardFontFamilyMap,
2201                                      &web_prefs->standard_font_family_map);
2202   FontFamilyCache::FillFontFamilyMap(profile,
2203                                      prefs::kWebKitFixedFontFamilyMap,
2204                                      &web_prefs->fixed_font_family_map);
2205   FontFamilyCache::FillFontFamilyMap(profile,
2206                                      prefs::kWebKitSerifFontFamilyMap,
2207                                      &web_prefs->serif_font_family_map);
2208   FontFamilyCache::FillFontFamilyMap(profile,
2209                                      prefs::kWebKitSansSerifFontFamilyMap,
2210                                      &web_prefs->sans_serif_font_family_map);
2211   FontFamilyCache::FillFontFamilyMap(profile,
2212                                      prefs::kWebKitCursiveFontFamilyMap,
2213                                      &web_prefs->cursive_font_family_map);
2214   FontFamilyCache::FillFontFamilyMap(profile,
2215                                      prefs::kWebKitFantasyFontFamilyMap,
2216                                      &web_prefs->fantasy_font_family_map);
2217   FontFamilyCache::FillFontFamilyMap(profile,
2218                                      prefs::kWebKitPictographFontFamilyMap,
2219                                      &web_prefs->pictograph_font_family_map);
2220 #endif
2221
2222   web_prefs->default_font_size =
2223       prefs->GetInteger(prefs::kWebKitDefaultFontSize);
2224   web_prefs->default_fixed_font_size =
2225       prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
2226   web_prefs->minimum_font_size =
2227       prefs->GetInteger(prefs::kWebKitMinimumFontSize);
2228   web_prefs->minimum_logical_font_size =
2229       prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
2230
2231   web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2232
2233   web_prefs->javascript_can_open_windows_automatically =
2234       prefs->GetBoolean(prefs::kWebKitJavascriptCanOpenWindowsAutomatically);
2235   web_prefs->dom_paste_enabled =
2236       prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
2237   web_prefs->shrinks_standalone_images_to_fit =
2238       prefs->GetBoolean(prefs::kWebKitShrinksStandaloneImagesToFit);
2239   web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
2240
2241   if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
2242     web_prefs->javascript_enabled = false;
2243   if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
2244     web_prefs->web_security_enabled = false;
2245   if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
2246     web_prefs->plugins_enabled = false;
2247   if (!prefs->GetBoolean(prefs::kWebKitJavaEnabled))
2248     web_prefs->java_enabled = false;
2249   web_prefs->loads_images_automatically =
2250       prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
2251
2252   if (prefs->GetBoolean(prefs::kDisable3DAPIs))
2253     web_prefs->experimental_webgl_enabled = false;
2254
2255   web_prefs->allow_displaying_insecure_content =
2256       prefs->GetBoolean(prefs::kWebKitAllowDisplayingInsecureContent);
2257   web_prefs->allow_running_insecure_content =
2258       prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
2259 #if defined(OS_ANDROID)
2260   web_prefs->font_scale_factor =
2261       static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
2262   web_prefs->device_scale_adjustment = GetDeviceScaleAdjustment();
2263   web_prefs->force_enable_zoom =
2264       prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
2265 #endif
2266
2267 #if defined(OS_ANDROID)
2268   web_prefs->password_echo_enabled =
2269       prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
2270 #else
2271   web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
2272 #endif
2273
2274   web_prefs->asynchronous_spell_checking_enabled = true;
2275   web_prefs->unified_textchecker_enabled = true;
2276
2277   web_prefs->uses_universal_detector =
2278       prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
2279   web_prefs->text_areas_are_resizable =
2280       prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
2281   web_prefs->hyperlink_auditing_enabled =
2282       prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
2283
2284   // Make sure we will set the default_encoding with canonical encoding name.
2285   web_prefs->default_encoding =
2286       CharacterEncoding::GetCanonicalEncodingNameByAliasName(
2287           web_prefs->default_encoding);
2288   if (web_prefs->default_encoding.empty()) {
2289     prefs->ClearPref(prefs::kDefaultCharset);
2290     web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2291   }
2292   DCHECK(!web_prefs->default_encoding.empty());
2293
2294   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
2295           switches::kEnablePotentiallyAnnoyingSecurityFeatures)) {
2296     web_prefs->strict_mixed_content_checking = true;
2297     web_prefs->strict_powerful_feature_restrictions = true;
2298   }
2299
2300   for (size_t i = 0; i < extra_parts_.size(); ++i)
2301     extra_parts_[i]->OverrideWebkitPrefs(rvh, url, web_prefs);
2302 }
2303
2304 void ChromeContentBrowserClient::BrowserURLHandlerCreated(
2305     BrowserURLHandler* handler) {
2306   for (size_t i = 0; i < extra_parts_.size(); ++i)
2307     extra_parts_[i]->BrowserURLHandlerCreated(handler);
2308
2309   // about: handler. Must come before chrome: handler, since it will
2310   // rewrite about: urls to chrome: URLs and then expect chrome: to
2311   // actually handle them.
2312   handler->AddHandlerPair(&WillHandleBrowserAboutURL,
2313                           BrowserURLHandler::null_handler());
2314
2315 #if defined(OS_ANDROID)
2316   // Handler to rewrite chrome://newtab on Android.
2317   handler->AddHandlerPair(&chrome::android::HandleAndroidNewTabURL,
2318                           BrowserURLHandler::null_handler());
2319 #else
2320   // Handler to rewrite chrome://newtab for InstantExtended.
2321   handler->AddHandlerPair(&chrome::HandleNewTabURLRewrite,
2322                           &chrome::HandleNewTabURLReverseRewrite);
2323 #endif
2324
2325   // chrome: & friends.
2326   handler->AddHandlerPair(&HandleWebUI, &HandleWebUIReverse);
2327 }
2328
2329 void ChromeContentBrowserClient::ClearCache(RenderViewHost* rvh) {
2330   Profile* profile = Profile::FromBrowserContext(
2331       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2332   BrowsingDataRemover* remover =
2333       BrowsingDataRemover::CreateForUnboundedRange(profile);
2334   remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
2335                   BrowsingDataHelper::UNPROTECTED_WEB);
2336   // BrowsingDataRemover takes care of deleting itself when done.
2337 }
2338
2339 void ChromeContentBrowserClient::ClearCookies(RenderViewHost* rvh) {
2340   Profile* profile = Profile::FromBrowserContext(
2341       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2342   BrowsingDataRemover* remover =
2343       BrowsingDataRemover::CreateForUnboundedRange(profile);
2344   int remove_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
2345   remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
2346   // BrowsingDataRemover takes care of deleting itself when done.
2347 }
2348
2349 base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
2350   return DownloadPrefs::GetDefaultDownloadDirectory();
2351 }
2352
2353 std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
2354   return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
2355 }
2356
2357 void ChromeContentBrowserClient::DidCreatePpapiPlugin(
2358     content::BrowserPpapiHost* browser_host) {
2359 #if defined(ENABLE_PLUGINS)
2360   ChromeContentBrowserClientPluginsPart::DidCreatePpapiPlugin(browser_host);
2361 #endif
2362 }
2363
2364 content::BrowserPpapiHost*
2365     ChromeContentBrowserClient::GetExternalBrowserPpapiHost(
2366         int plugin_process_id) {
2367 #if !defined(DISABLE_NACL)
2368   content::BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
2369   while (!iter.Done()) {
2370     nacl::NaClProcessHost* host = static_cast<nacl::NaClProcessHost*>(
2371         iter.GetDelegate());
2372     if (host->process() &&
2373         host->process()->GetData().id == plugin_process_id) {
2374       // Found the plugin.
2375       return host->browser_ppapi_host();
2376     }
2377     ++iter;
2378   }
2379 #endif
2380   return NULL;
2381 }
2382
2383 bool ChromeContentBrowserClient::AllowPepperSocketAPI(
2384     content::BrowserContext* browser_context,
2385     const GURL& url,
2386     bool private_api,
2387     const content::SocketPermissionRequest* params) {
2388 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2389   return ChromeContentBrowserClientPluginsPart::AllowPepperSocketAPI(
2390       browser_context, url, private_api, params, allowed_socket_origins_);
2391 #else
2392   return false;
2393 #endif
2394 }
2395
2396 ui::SelectFilePolicy* ChromeContentBrowserClient::CreateSelectFilePolicy(
2397     WebContents* web_contents) {
2398   return new ChromeSelectFilePolicy(web_contents);
2399 }
2400
2401 void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2402     std::vector<std::string>* additional_allowed_schemes) {
2403   ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2404       additional_allowed_schemes);
2405   additional_allowed_schemes->push_back(content::kChromeDevToolsScheme);
2406   additional_allowed_schemes->push_back(content::kChromeUIScheme);
2407   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2408     extra_parts_[i]->GetAdditionalAllowedSchemesForFileSystem(
2409         additional_allowed_schemes);
2410   }
2411 }
2412
2413 void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
2414     std::vector<storage::URLRequestAutoMountHandler>* handlers) {
2415   for (size_t i = 0; i < extra_parts_.size(); ++i)
2416     extra_parts_[i]->GetURLRequestAutoMountHandlers(handlers);
2417 }
2418
2419 void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
2420     content::BrowserContext* browser_context,
2421     const base::FilePath& storage_partition_path,
2422     ScopedVector<storage::FileSystemBackend>* additional_backends) {
2423 #if defined(OS_CHROMEOS)
2424   storage::ExternalMountPoints* external_mount_points =
2425       content::BrowserContext::GetMountPoints(browser_context);
2426   DCHECK(external_mount_points);
2427   chromeos::FileSystemBackend* backend = new chromeos::FileSystemBackend(
2428       new drive::FileSystemBackendDelegate,
2429       new chromeos::file_system_provider::BackendDelegate,
2430       new chromeos::MTPFileSystemBackendDelegate(storage_partition_path),
2431       browser_context->GetSpecialStoragePolicy(),
2432       external_mount_points,
2433       storage::ExternalMountPoints::GetSystemInstance());
2434   backend->AddSystemMountPoints();
2435   DCHECK(backend->CanHandleType(storage::kFileSystemTypeExternal));
2436   additional_backends->push_back(backend);
2437 #endif
2438
2439   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2440     extra_parts_[i]->GetAdditionalFileSystemBackends(
2441         browser_context, storage_partition_path, additional_backends);
2442   }
2443 }
2444
2445 #if defined(OS_POSIX) && !defined(OS_MACOSX)
2446 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2447     const base::CommandLine& command_line,
2448     int child_process_id,
2449     FileDescriptorInfo* mappings) {
2450 #if defined(OS_ANDROID)
2451   base::FilePath data_path;
2452   PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &data_path);
2453   DCHECK(!data_path.empty());
2454
2455   int flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2456   base::FilePath chrome_resources_pak =
2457       data_path.AppendASCII("chrome_100_percent.pak");
2458   base::File file(chrome_resources_pak, flags);
2459   DCHECK(file.IsValid());
2460   mappings->Transfer(kAndroidChrome100PercentPakDescriptor,
2461                      base::ScopedFD(file.TakePlatformFile()));
2462
2463   const std::string locale = GetApplicationLocale();
2464   base::FilePath locale_pak = ResourceBundle::GetSharedInstance().
2465       GetLocaleFilePath(locale, false);
2466   file.Initialize(locale_pak, flags);
2467   DCHECK(file.IsValid());
2468   mappings->Transfer(kAndroidLocalePakDescriptor,
2469                      base::ScopedFD(file.TakePlatformFile()));
2470
2471   base::FilePath resources_pack_path;
2472   PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
2473   file.Initialize(resources_pack_path, flags);
2474   DCHECK(file.IsValid());
2475   mappings->Transfer(kAndroidUIResourcesPakDescriptor,
2476                      base::ScopedFD(file.TakePlatformFile()));
2477
2478   if (breakpad::IsCrashReporterEnabled()) {
2479     file = breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
2480                child_process_id);
2481     if (file.IsValid()) {
2482       mappings->Transfer(kAndroidMinidumpDescriptor,
2483                          base::ScopedFD(file.TakePlatformFile()));
2484     } else {
2485       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
2486                  "be disabled for this process.";
2487     }
2488   }
2489
2490   base::FilePath app_data_path;
2491   PathService::Get(base::DIR_ANDROID_APP_DATA, &app_data_path);
2492   DCHECK(!app_data_path.empty());
2493
2494   flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2495   base::FilePath icudata_path =
2496       app_data_path.AppendASCII(base::i18n::kIcuDataFileName);
2497   base::File icudata_file(icudata_path, flags);
2498   DCHECK(icudata_file.IsValid());
2499   mappings->Transfer(kAndroidICUDataDescriptor,
2500                      base::ScopedFD(icudata_file.TakePlatformFile()));
2501
2502 #ifdef V8_USE_EXTERNAL_STARTUP_DATA
2503   base::FilePath v8_data_path;
2504   PathService::Get(base::DIR_ANDROID_APP_DATA, &v8_data_path);
2505   DCHECK(!v8_data_path.empty());
2506
2507   int file_flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2508   base::FilePath v8_natives_data_path =
2509       v8_data_path.AppendASCII(gin::IsolateHolder::kNativesFileName);
2510   base::FilePath v8_snapshot_data_path =
2511       v8_data_path.AppendASCII(gin::IsolateHolder::kSnapshotFileName);
2512   base::File v8_natives_data_file(v8_natives_data_path, file_flags);
2513   base::File v8_snapshot_data_file(v8_snapshot_data_path, file_flags);
2514   DCHECK(v8_natives_data_file.IsValid());
2515   DCHECK(v8_snapshot_data_file.IsValid());
2516   mappings->Transfer(kV8NativesDataDescriptor,
2517                      base::ScopedFD(v8_natives_data_file.TakePlatformFile()));
2518   mappings->Transfer(kV8SnapshotDataDescriptor,
2519                      base::ScopedFD(v8_snapshot_data_file.TakePlatformFile()));
2520 #endif  // V8_USE_EXTERNAL_STARTUP_DATA
2521
2522 #else
2523   int crash_signal_fd = GetCrashSignalFD(command_line);
2524   if (crash_signal_fd >= 0) {
2525     mappings->Share(kCrashDumpSignal, crash_signal_fd);
2526   }
2527 #endif  // defined(OS_ANDROID)
2528 }
2529 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
2530
2531 #if defined(OS_WIN)
2532 const wchar_t* ChromeContentBrowserClient::GetResourceDllName() {
2533   return chrome::kBrowserResourcesDll;
2534 }
2535
2536 void ChromeContentBrowserClient::PreSpawnRenderer(
2537     sandbox::TargetPolicy* policy,
2538     bool* success) {
2539   // This code is duplicated in nacl_exe_win_64.cc.
2540   // Allow the server side of a pipe restricted to the "chrome.nacl."
2541   // namespace so that it cannot impersonate other system or other chrome
2542   // service pipes.
2543   sandbox::ResultCode result = policy->AddRule(
2544       sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
2545       sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
2546       L"\\\\.\\pipe\\chrome.nacl.*");
2547   if (result != sandbox::SBOX_ALL_OK) {
2548     *success = false;
2549     return;
2550   }
2551
2552   // Renderers need to send named pipe handles and shared memory
2553   // segment handles to NaCl loader processes.
2554   result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
2555                            sandbox::TargetPolicy::HANDLES_DUP_ANY,
2556                            L"File");
2557   if (result != sandbox::SBOX_ALL_OK) {
2558     *success = false;
2559     return;
2560   }
2561 }
2562 #endif
2563
2564 bool ChromeContentBrowserClient::CheckMediaAccessPermission(
2565     content::BrowserContext* browser_context,
2566     const GURL& security_origin,
2567     content::MediaStreamType type) {
2568   return MediaCaptureDevicesDispatcher::GetInstance()
2569       ->CheckMediaAccessPermission(
2570           browser_context, security_origin, type);
2571 }
2572
2573 content::DevToolsManagerDelegate*
2574 ChromeContentBrowserClient::GetDevToolsManagerDelegate() {
2575 #if defined(OS_ANDROID)
2576   return new DevToolsManagerDelegateAndroid();
2577 #else
2578   return new ChromeDevToolsManagerDelegate();
2579 #endif
2580 }
2581
2582 bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
2583     content::BrowserContext* browser_context,
2584     const GURL& url) {
2585 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2586   return ChromeContentBrowserClientPluginsPart::
2587       IsPluginAllowedToCallRequestOSFileHandle(browser_context, url,
2588                                                allowed_file_handle_origins_);
2589 #else
2590   return false;
2591 #endif
2592 }
2593
2594 bool ChromeContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs(
2595     content::BrowserContext* browser_context,
2596     const GURL& url) {
2597 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2598   return ChromeContentBrowserClientPluginsPart::
2599       IsPluginAllowedToUseDevChannelAPIs(browser_context, url,
2600                                          allowed_dev_channel_origins_);
2601 #else
2602   return false;
2603 #endif
2604 }
2605
2606 net::CookieStore*
2607 ChromeContentBrowserClient::OverrideCookieStoreForRenderProcess(
2608     int render_process_id) {
2609   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2610   if (!prerender_tracker_)
2611     return NULL;
2612   return prerender_tracker_->GetPrerenderCookieStoreForRenderProcess(
2613                                  render_process_id).get();
2614 }
2615
2616 #if defined(ENABLE_WEBRTC)
2617 void ChromeContentBrowserClient::MaybeCopyDisableWebRtcEncryptionSwitch(
2618     base::CommandLine* to_command_line,
2619     const base::CommandLine& from_command_line,
2620     VersionInfo::Channel channel) {
2621 #if defined(OS_ANDROID)
2622   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2623       VersionInfo::CHANNEL_BETA;
2624 #else
2625   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2626       VersionInfo::CHANNEL_DEV;
2627 #endif
2628   if (channel <= kMaxDisableEncryptionChannel) {
2629     static const char* const kWebRtcDevSwitchNames[] = {
2630       switches::kDisableWebRtcEncryption,
2631     };
2632     to_command_line->CopySwitchesFrom(from_command_line,
2633                                       kWebRtcDevSwitchNames,
2634                                       arraysize(kWebRtcDevSwitchNames));
2635   }
2636 }
2637 #endif  // defined(ENABLE_WEBRTC)
2638
2639 }  // namespace chrome