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/common/descriptors_android.h"
 162 #include "components/crash/browser/crash_dump_manager_android.h"
 163 #elif defined(OS_POSIX)
 164 #include "chrome/browser/chrome_browser_main_posix.h"
 165 #endif
 166
 167 #if defined(OS_ANDROID) || defined(OS_CHROMEOS)
 168 #include "chrome/browser/media/protected_media_identifier_permission_context.h"
 169 #include "chrome/browser/media/protected_media_identifier_permission_context_factory.h"
 170 #endif
 171
 172 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 173 #include "base/debug/leak_annotations.h"
 174 #include "components/crash/app/breakpad_linux.h"
 175 #include "components/crash/browser/crash_handler_host_linux.h"
 176 #endif
 177
 178 #if defined(OS_ANDROID)
 179 #include "ui/base/ui_base_paths.h"
 180 #include "ui/gfx/android/device_display_info.h"
 181 #endif
 182
 183 #if defined(OS_ANDROID)
 184 #include "chrome/browser/android/dev_tools_manager_delegate_android.h"
 185 #else
 186 #include "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
 187 #endif
 188
 189 #if !defined(OS_CHROMEOS)
 190 #include "chrome/browser/signin/chrome_signin_client.h"
 191 #include "chrome/browser/signin/chrome_signin_client_factory.h"
 192 #include "chrome/browser/signin/signin_manager_factory.h"
 193 #include "components/signin/core/browser/signin_manager.h"
 194 #endif
 195
 196 #if defined(TOOLKIT_VIEWS)
 197 #include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
 198 #endif
 199
 200 #if 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 PermissionContextBase* GetPermissionContext(Profile* profile,
 626     content::PermissionType permission) {
 627   switch (permission) {
 628     case content::PERMISSION_MIDI_SYSEX:
 629       return MidiPermissionContextFactory::GetForProfile(profile);
 630     case content::PERMISSION_NOTIFICATIONS:
 631 #if defined(ENABLE_NOTIFICATIONS)
 632       return DesktopNotificationServiceFactory::GetForProfile(profile);
 633 #else
 634       NOTIMPLEMENTED();
 635       break;
 636 #endif
 637     case content::PERMISSION_GEOLOCATION:
 638       return GeolocationPermissionContextFactory::GetForProfile(profile);
 639     case content::PERMISSION_PROTECTED_MEDIA_IDENTIFIER:
 640 #if defined(OS_ANDROID) || defined(OS_CHROMEOS)
 641       return ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(
 642           profile);
 643 #else
 644       NOTIMPLEMENTED();
 645       break;
 646 #endif
 647     case content::PERMISSION_PUSH_MESSAGING:
 648       return gcm::PushMessagingPermissionContextFactory::GetForProfile(profile);
 649     case content::PERMISSION_NUM:
 650       NOTREACHED() << "Invalid RequestPermission for " << permission;
 651       break;
 652   }
 653   return nullptr;
 654 }
 655
 656 // Helper method to translate from Permissions to ContentSettings
 657 ContentSettingsType PermissionToContentSetting(
 658     content::PermissionType permission) {
 659   switch (permission) {
 660     case content::PERMISSION_MIDI_SYSEX:
 661       return CONTENT_SETTINGS_TYPE_MIDI_SYSEX;
 662     case content::PERMISSION_PUSH_MESSAGING:
 663       return CONTENT_SETTINGS_TYPE_PUSH_MESSAGING;
 664     case content::PERMISSION_NOTIFICATIONS:
 665       return CONTENT_SETTINGS_TYPE_NOTIFICATIONS;
 666     case content::PERMISSION_GEOLOCATION:
 667       return CONTENT_SETTINGS_TYPE_GEOLOCATION;
 668 #if defined(OS_ANDROID) || defined(OS_CHROMEOS)
 669     case content::PERMISSION_PROTECTED_MEDIA_IDENTIFIER:
 670       return CONTENT_SETTINGS_TYPE_PROTECTED_MEDIA_IDENTIFIER;
 671 #endif
 672     default:
 673       NOTREACHED() << "Unknown content setting for permission " << permission;
 674       return CONTENT_SETTINGS_TYPE_DEFAULT;
 675   }
 676 }
 677
 678 }  // namespace
 679
 680 namespace chrome {
 681
 682 ChromeContentBrowserClient::ChromeContentBrowserClient()
 683     : prerender_tracker_(NULL),
 684       weak_factory_(this) {
 685 #if defined(ENABLE_PLUGINS)
 686   for (size_t i = 0; i < arraysize(kPredefinedAllowedDevChannelOrigins); ++i)
 687     allowed_dev_channel_origins_.insert(kPredefinedAllowedDevChannelOrigins[i]);
 688   for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
 689     allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
 690   for (size_t i = 0; i < arraysize(kPredefinedAllowedSocketOrigins); ++i)
 691     allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
 692
 693   extra_parts_.push_back(new ChromeContentBrowserClientPluginsPart);
 694 #endif
 695
 696 #if !defined(OS_ANDROID)
 697   TtsExtensionEngine* tts_extension_engine = TtsExtensionEngine::GetInstance();
 698   TtsController::GetInstance()->SetTtsEngineDelegate(tts_extension_engine);
 699 #endif
 700
 701 #if defined(ENABLE_EXTENSIONS)
 702   extra_parts_.push_back(new ChromeContentBrowserClientExtensionsPart);
 703 #endif
 704 }
 705
 706 ChromeContentBrowserClient::~ChromeContentBrowserClient() {
 707   for (int i = static_cast<int>(extra_parts_.size()) - 1; i >= 0; --i)
 708     delete extra_parts_[i];
 709   extra_parts_.clear();
 710 }
 711
 712 // static
 713 void ChromeContentBrowserClient::RegisterProfilePrefs(
 714     user_prefs::PrefRegistrySyncable* registry) {
 715   registry->RegisterBooleanPref(
 716       prefs::kDisable3DAPIs,
 717       false,
 718       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 719   registry->RegisterBooleanPref(
 720       prefs::kEnableHyperlinkAuditing,
 721       true,
 722       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 723   registry->RegisterListPref(
 724       prefs::kEnableDeprecatedWebPlatformFeatures,
 725       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 726 }
 727
 728 // static
 729 void ChromeContentBrowserClient::SetApplicationLocale(
 730     const std::string& locale) {
 731   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 732
 733   // This object is guaranteed to outlive all threads so we don't have to
 734   // worry about the lack of refcounting and can just post as Unretained.
 735   //
 736   // The common case is that this function is called early in Chrome startup
 737   // before any threads are created (it will also be called later if the user
 738   // changes the pref). In this case, there will be no threads created and
 739   // posting will fail. When there are no threads, we can just set the string
 740   // without worrying about threadsafety.
 741   if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
 742           base::Bind(&SetApplicationLocaleOnIOThread, locale))) {
 743     g_io_thread_application_locale.Get() = locale;
 744   }
 745 }
 746
 747 content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
 748     const content::MainFunctionParams& parameters) {
 749   ChromeBrowserMainParts* main_parts;
 750   // Construct the Main browser parts based on the OS type.
 751 #if defined(OS_WIN)
 752   main_parts = new ChromeBrowserMainPartsWin(parameters);
 753 #elif defined(OS_MACOSX)
 754   main_parts = new ChromeBrowserMainPartsMac(parameters);
 755 #elif defined(OS_CHROMEOS)
 756   main_parts = new chromeos::ChromeBrowserMainPartsChromeos(parameters);
 757 #elif defined(OS_LINUX)
 758   main_parts = new ChromeBrowserMainPartsLinux(parameters);
 759 #elif defined(OS_ANDROID)
 760   main_parts = new ChromeBrowserMainPartsAndroid(parameters);
 761 #elif defined(OS_POSIX)
 762   main_parts = new ChromeBrowserMainPartsPosix(parameters);
 763 #else
 764   NOTREACHED();
 765   main_parts = new ChromeBrowserMainParts(parameters);
 766 #endif
 767
 768   chrome::AddProfilesExtraParts(main_parts);
 769
 770   // Construct additional browser parts. Stages are called in the order in
 771   // which they are added.
 772 #if defined(TOOLKIT_VIEWS)
 773   main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
 774 #endif
 775
 776 // TODO(oshima): Athena on chrome currently requires USE_ASH to build.
 777 // We should reduce the dependency as much as possible.
 778 #if defined(USE_ASH)
 779   main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
 780 #endif
 781
 782 #if defined(USE_AURA)
 783   main_parts->AddParts(new ChromeBrowserMainExtraPartsAura());
 784 #endif
 785
 786 #if defined(USE_X11)
 787   main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
 788 #endif
 789
 790   chrome::AddMetricsExtraParts(main_parts);
 791
 792   return main_parts;
 793 }
 794
 795 std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
 796     content::BrowserContext* browser_context,
 797     const GURL& site) {
 798   std::string partition_id;
 799
 800   // The partition ID for webview guest processes is the string value of its
 801   // SiteInstance URL - "chrome-guest://app_id/persist?partition".
 802   if (site.SchemeIs(content::kGuestScheme)) {
 803     partition_id = site.spec();
 804   } else if (site.GetOrigin().spec() == kChromeUIChromeSigninURL &&
 805             !switches::IsEnableWebviewBasedSignin()) {
 806     // Chrome signin page has an embedded iframe of extension and web content,
 807     // thus it must be isolated from other webUI pages.
 808     partition_id = site.GetOrigin().spec();
 809   }
 810
 811   DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
 812   return partition_id;
 813 }
 814
 815 bool ChromeContentBrowserClient::IsValidStoragePartitionId(
 816     content::BrowserContext* browser_context,
 817     const std::string& partition_id) {
 818   // The default ID is empty and is always valid.
 819   if (partition_id.empty())
 820     return true;
 821
 822   return GURL(partition_id).is_valid();
 823 }
 824
 825 void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
 826     content::BrowserContext* browser_context,
 827     const GURL& site,
 828     bool can_be_default,
 829     std::string* partition_domain,
 830     std::string* partition_name,
 831     bool* in_memory) {
 832   // Default to the browser-wide storage partition and override based on |site|
 833   // below.
 834   partition_domain->clear();
 835   partition_name->clear();
 836   *in_memory = false;
 837
 838   bool success = false;
 839 #if defined(ENABLE_EXTENSIONS)
 840   success = extensions::WebViewGuest::GetGuestPartitionConfigForSite(
 841       site, partition_domain, partition_name, in_memory);
 842
 843   if (!success && site.SchemeIs(extensions::kExtensionScheme)) {
 844     // If |can_be_default| is false, the caller is stating that the |site|
 845     // should be parsed as if it had isolated storage. In particular it is
 846     // important to NOT check ExtensionService for the is_storage_isolated()
 847     // attribute because this code path is run during Extension uninstall
 848     // to do cleanup after the Extension has already been unloaded from the
 849     // ExtensionService.
 850     bool is_isolated = !can_be_default;
 851     if (can_be_default) {
 852       if (extensions::util::SiteHasIsolatedStorage(site, browser_context))
 853         is_isolated = true;
 854     }
 855
 856     if (is_isolated) {
 857       CHECK(site.has_host());
 858       // For extensions with isolated storage, the the host of the |site| is
 859       // the |partition_domain|. The |in_memory| and |partition_name| are only
 860       // used in guest schemes so they are cleared here.
 861       *partition_domain = site.host();
 862       *in_memory = false;
 863       partition_name->clear();
 864     }
 865     success = true;
 866   }
 867 #endif
 868
 869   if (!success && (site.GetOrigin().spec() == kChromeUIChromeSigninURL) &&
 870       !switches::IsEnableWebviewBasedSignin()) {
 871     // Chrome signin page has an embedded iframe of extension and web content,
 872     // thus it must be isolated from other webUI pages.
 873     *partition_domain = chrome::kChromeUIChromeSigninHost;
 874   }
 875
 876   // Assert that if |can_be_default| is false, the code above must have found a
 877   // non-default partition.  If this fails, the caller has a serious logic
 878   // error about which StoragePartition they expect to be in and it is not
 879   // safe to continue.
 880   CHECK(can_be_default || !partition_domain->empty());
 881 }
 882
 883 content::WebContentsViewDelegate*
 884     ChromeContentBrowserClient::GetWebContentsViewDelegate(
 885         content::WebContents* web_contents) {
 886   return chrome::CreateWebContentsViewDelegate(web_contents);
 887 }
 888
 889 void ChromeContentBrowserClient::RenderProcessWillLaunch(
 890     content::RenderProcessHost* host) {
 891   int id = host->GetID();
 892   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
 893   net::URLRequestContextGetter* context =
 894       profile->GetRequestContextForRenderProcess(id);
 895
 896   host->AddFilter(new ChromeRenderMessageFilter(id, profile));
 897 #if defined(ENABLE_EXTENSIONS)
 898   host->AddFilter(new cast::CastTransportHostFilter);
 899 #endif
 900 #if defined(ENABLE_PRINTING)
 901   host->AddFilter(new printing::PrintingMessageFilter(id, profile));
 902 #endif
 903   host->AddFilter(new SearchProviderInstallStateMessageFilter(id, profile));
 904 #if defined(ENABLE_SPELLCHECK)
 905   host->AddFilter(new SpellCheckMessageFilter(id));
 906 #endif
 907 #if defined(OS_MACOSX)
 908   host->AddFilter(new SpellCheckMessageFilterMac(id));
 909 #endif
 910   host->AddFilter(new ChromeNetBenchmarkingMessageFilter(profile, context));
 911   host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
 912   host->AddFilter(new TtsMessageFilter(id, host->GetBrowserContext()));
 913 #if defined(ENABLE_WEBRTC)
 914   WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
 915       new WebRtcLoggingHandlerHost(profile);
 916   host->SetWebRtcLogMessageCallback(base::Bind(
 917       &WebRtcLoggingHandlerHost::LogMessage, webrtc_logging_handler_host));
 918   host->AddFilter(webrtc_logging_handler_host);
 919   host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
 920       webrtc_logging_handler_host));
 921 #endif
 922 #if !defined(DISABLE_NACL)
 923   host->AddFilter(new nacl::NaClHostMessageFilter(
 924       id, profile->IsOffTheRecord(),
 925       profile->GetPath(),
 926       context));
 927 #endif
 928 #if defined(OS_ANDROID)
 929   host->AddFilter(new cdm::CdmMessageFilterAndroid());
 930 #endif
 931   if (switches::IsEnableAccountConsistency())
 932     host->AddFilter(new PrincipalsMessageFilter(id));
 933
 934   host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
 935       profile->IsOffTheRecord()));
 936
 937   for (size_t i = 0; i < extra_parts_.size(); ++i)
 938     extra_parts_[i]->RenderProcessWillLaunch(host);
 939
 940   RendererContentSettingRules rules;
 941   if (host->IsIsolatedGuest()) {
 942 #if defined(ENABLE_EXTENSIONS)
 943     GetGuestViewDefaultContentSettingRules(profile->IsOffTheRecord(), &rules);
 944 #else
 945     NOTREACHED();
 946 #endif
 947   } else {
 948     GetRendererContentSettingRules(
 949         profile->GetHostContentSettingsMap(), &rules);
 950   }
 951   host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
 952 }
 953
 954 GURL ChromeContentBrowserClient::GetEffectiveURL(
 955     content::BrowserContext* browser_context, const GURL& url) {
 956   Profile* profile = Profile::FromBrowserContext(browser_context);
 957   if (!profile)
 958     return url;
 959
 960   // If the input |url| should be assigned to the Instant renderer, make its
 961   // effective URL distinct from other URLs on the search provider's domain.
 962   if (chrome::ShouldAssignURLToInstantRenderer(url, profile))
 963     return chrome::GetEffectiveURLForInstant(url, profile);
 964
 965 #if !defined(OS_CHROMEOS)
 966   // If the input |url| should be assigned to the Signin renderer, make its
 967   // effective URL distinct from other URLs on the signin service's domain.
 968   // Note that the signin renderer will be allowed to sign the user in to
 969   // Chrome.
 970   if (SigninManager::IsWebBasedSigninFlowURL(url))
 971     return GetEffectiveURLForSignin(url);
 972 #endif
 973
 974 #if defined(ENABLE_EXTENSIONS)
 975   return ChromeContentBrowserClientExtensionsPart::GetEffectiveURL(
 976       profile, url);
 977 #else
 978   return url;
 979 #endif
 980 }
 981
 982 bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
 983     content::BrowserContext* browser_context, const GURL& effective_url) {
 984   // Non-extension, non-Instant URLs should generally use
 985   // process-per-site-instance.  Because we expect to use the effective URL,
 986   // URLs for hosted apps (apart from bookmark apps) should have an extension
 987   // scheme by now.
 988
 989   Profile* profile = Profile::FromBrowserContext(browser_context);
 990   if (!profile)
 991     return false;
 992
 993   if (chrome::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
 994     return true;
 995
 996 #if !defined(OS_CHROMEOS)
 997   if (SigninManager::IsWebBasedSigninFlowURL(effective_url))
 998     return true;
 999 #endif
1000
1001 #if defined(ENABLE_EXTENSIONS)
1002   return ChromeContentBrowserClientExtensionsPart::ShouldUseProcessPerSite(
1003       profile, effective_url);
1004 #else
1005   return false;
1006 #endif
1007 }
1008
1009 // These are treated as WebUI schemes but do not get WebUI bindings. Also,
1010 // view-source is allowed for these schemes.
1011 void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
1012     std::vector<std::string>* additional_schemes) {
1013   additional_schemes->push_back(chrome::kChromeSearchScheme);
1014   additional_schemes->push_back(dom_distiller::kDomDistillerScheme);
1015 }
1016
1017 void ChromeContentBrowserClient::GetAdditionalWebUIHostsToIgnoreParititionCheck(
1018     std::vector<std::string>* hosts) {
1019   hosts->push_back(chrome::kChromeUIExtensionIconHost);
1020   hosts->push_back(chrome::kChromeUIFaviconHost);
1021   hosts->push_back(chrome::kChromeUIThemeHost);
1022   hosts->push_back(chrome::kChromeUIThumbnailHost);
1023   hosts->push_back(chrome::kChromeUIThumbnailHost2);
1024   hosts->push_back(chrome::kChromeUIThumbnailListHost);
1025 }
1026
1027 net::URLRequestContextGetter*
1028 ChromeContentBrowserClient::CreateRequestContext(
1029     content::BrowserContext* browser_context,
1030     content::ProtocolHandlerMap* protocol_handlers,
1031     content::URLRequestInterceptorScopedVector request_interceptors) {
1032   Profile* profile = Profile::FromBrowserContext(browser_context);
1033   return profile->CreateRequestContext(protocol_handlers,
1034                                        request_interceptors.Pass());
1035 }
1036
1037 net::URLRequestContextGetter*
1038 ChromeContentBrowserClient::CreateRequestContextForStoragePartition(
1039     content::BrowserContext* browser_context,
1040     const base::FilePath& partition_path,
1041     bool in_memory,
1042     content::ProtocolHandlerMap* protocol_handlers,
1043     content::URLRequestInterceptorScopedVector request_interceptors) {
1044   Profile* profile = Profile::FromBrowserContext(browser_context);
1045   return profile->CreateRequestContextForStoragePartition(
1046       partition_path,
1047       in_memory,
1048       protocol_handlers,
1049       request_interceptors.Pass());
1050 }
1051
1052 bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
1053   return ProfileIOData::IsHandledURL(url);
1054 }
1055
1056 bool ChromeContentBrowserClient::CanCommitURL(
1057     content::RenderProcessHost* process_host,
1058     const GURL& url) {
1059 #if defined(ENABLE_EXTENSIONS)
1060   return ChromeContentBrowserClientExtensionsPart::CanCommitURL(
1061       process_host, url);
1062 #else
1063   return true;
1064 #endif
1065 }
1066
1067 bool ChromeContentBrowserClient::ShouldAllowOpenURL(
1068     content::SiteInstance* site_instance, const GURL& url) {
1069   GURL from_url = site_instance->GetSiteURL();
1070
1071 #if defined(ENABLE_EXTENSIONS)
1072   bool result;
1073   if (ChromeContentBrowserClientExtensionsPart::ShouldAllowOpenURL(
1074       site_instance, from_url, url, &result))
1075     return result;
1076 #endif
1077
1078   // Do not allow chrome://chrome-signin navigate to other chrome:// URLs, since
1079   // the signin page may host untrusted web content.
1080   if (from_url.GetOrigin().spec() == chrome::kChromeUIChromeSigninURL &&
1081       url.SchemeIs(content::kChromeUIScheme) &&
1082       url.host() != chrome::kChromeUIChromeSigninHost) {
1083     VLOG(1) << "Blocked navigation to " << url.spec() << " from "
1084             << chrome::kChromeUIChromeSigninURL;
1085     return false;
1086   }
1087
1088   return true;
1089 }
1090
1091 bool ChromeContentBrowserClient::IsSuitableHost(
1092     content::RenderProcessHost* process_host,
1093     const GURL& site_url) {
1094   Profile* profile =
1095       Profile::FromBrowserContext(process_host->GetBrowserContext());
1096   // This may be NULL during tests. In that case, just assume any site can
1097   // share any host.
1098   if (!profile)
1099     return true;
1100
1101   // Instant URLs should only be in the instant process and instant process
1102   // should only have Instant URLs.
1103   InstantService* instant_service =
1104       InstantServiceFactory::GetForProfile(profile);
1105   if (instant_service) {
1106     bool is_instant_process = instant_service->IsInstantProcess(
1107         process_host->GetID());
1108     bool should_be_in_instant_process =
1109         chrome::ShouldAssignURLToInstantRenderer(site_url, profile);
1110     if (is_instant_process || should_be_in_instant_process)
1111       return is_instant_process && should_be_in_instant_process;
1112   }
1113
1114 #if !defined(OS_CHROMEOS)
1115   SigninClient* signin_client =
1116       ChromeSigninClientFactory::GetForProfile(profile);
1117   if (signin_client && signin_client->IsSigninProcess(process_host->GetID()))
1118     return SigninManager::IsWebBasedSigninFlowURL(site_url);
1119 #endif
1120
1121 #if defined(ENABLE_EXTENSIONS)
1122   return ChromeContentBrowserClientExtensionsPart::IsSuitableHost(
1123       profile, process_host, site_url);
1124 #else
1125   return true;
1126 #endif
1127 }
1128
1129 bool ChromeContentBrowserClient::MayReuseHost(
1130     content::RenderProcessHost* process_host) {
1131   // If there is currently a prerender in progress for the host provided,
1132   // it may not be shared. We require prerenders to be by themselves in a
1133   // separate process, so that we can monitor their resource usage, and so that
1134   // we can track the cookies that they change.
1135   Profile* profile = Profile::FromBrowserContext(
1136       process_host->GetBrowserContext());
1137   prerender::PrerenderManager* prerender_manager =
1138       prerender::PrerenderManagerFactory::GetForProfile(profile);
1139   if (prerender_manager &&
1140       !prerender_manager->MayReuseProcessHost(process_host)) {
1141     return false;
1142   }
1143
1144   return true;
1145 }
1146
1147 bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
1148     content::BrowserContext* browser_context, const GURL& url) {
1149   // It has to be a valid URL for us to check for an extension.
1150   if (!url.is_valid())
1151     return false;
1152
1153 #if defined(ENABLE_EXTENSIONS)
1154   Profile* profile = Profile::FromBrowserContext(browser_context);
1155   return ChromeContentBrowserClientExtensionsPart::
1156       ShouldTryToUseExistingProcessHost(
1157           profile, url);
1158 #else
1159   return false;
1160 #endif
1161 }
1162
1163 void ChromeContentBrowserClient::SiteInstanceGotProcess(
1164     SiteInstance* site_instance) {
1165   CHECK(site_instance->HasProcess());
1166
1167   Profile* profile = Profile::FromBrowserContext(
1168       site_instance->GetBrowserContext());
1169   if (!profile)
1170     return;
1171
1172   // Remember the ID of the Instant process to signal the renderer process
1173   // on startup in |AppendExtraCommandLineSwitches| below.
1174   if (chrome::ShouldAssignURLToInstantRenderer(
1175           site_instance->GetSiteURL(), profile)) {
1176     InstantService* instant_service =
1177         InstantServiceFactory::GetForProfile(profile);
1178     if (instant_service)
1179       instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
1180   }
1181
1182 #if !defined(OS_CHROMEOS)
1183   // We only expect there to be one signin process as we use process-per-site
1184   // for signin URLs. The signin process will be cleared from SigninManager
1185   // when the renderer is destroyed.
1186   if (SigninManager::IsWebBasedSigninFlowURL(site_instance->GetSiteURL())) {
1187     SigninClient* signin_client =
1188         ChromeSigninClientFactory::GetForProfile(profile);
1189     if (signin_client)
1190       signin_client->SetSigninProcess(site_instance->GetProcess()->GetID());
1191 #if defined(ENABLE_EXTENSIONS)
1192     ChromeContentBrowserClientExtensionsPart::SetSigninProcess(site_instance);
1193 #endif
1194   }
1195 #endif
1196
1197   for (size_t i = 0; i < extra_parts_.size(); ++i)
1198     extra_parts_[i]->SiteInstanceGotProcess(site_instance);
1199 }
1200
1201 void ChromeContentBrowserClient::SiteInstanceDeleting(
1202     SiteInstance* site_instance) {
1203   if (!site_instance->HasProcess())
1204     return;
1205
1206   for (size_t i = 0; i < extra_parts_.size(); ++i)
1207     extra_parts_[i]->SiteInstanceDeleting(site_instance);
1208 }
1209
1210 bool ChromeContentBrowserClient::ShouldSwapBrowsingInstancesForNavigation(
1211     SiteInstance* site_instance,
1212     const GURL& current_url,
1213     const GURL& new_url) {
1214 #if defined(ENABLE_EXTENSIONS)
1215   return ChromeContentBrowserClientExtensionsPart::
1216       ShouldSwapBrowsingInstancesForNavigation(
1217           site_instance, current_url, new_url);
1218 #else
1219   return false;
1220 #endif
1221 }
1222
1223 bool ChromeContentBrowserClient::ShouldSwapProcessesForRedirect(
1224     content::ResourceContext* resource_context, const GURL& current_url,
1225     const GURL& new_url) {
1226 #if defined(ENABLE_EXTENSIONS)
1227   return ChromeContentBrowserClientExtensionsPart::
1228       ShouldSwapProcessesForRedirect(resource_context, current_url, new_url);
1229 #else
1230   return false;
1231 #endif
1232 }
1233
1234 bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
1235   return !url.SchemeIs(chrome::kChromeNativeScheme);
1236 }
1237
1238 std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
1239     const std::string& alias_name) {
1240   return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
1241 }
1242
1243 namespace {
1244
1245 bool IsAutoReloadEnabled() {
1246   // Fetch the field trial, even though we don't use it. Calling FindFullName()
1247   // causes the field-trial mechanism to report which group we're in, which
1248   // might reflect a hard disable or hard enable via flag, both of which have
1249   // their own field trial groups. This lets us know what percentage of users
1250   // manually enable or disable auto-reload.
1251   std::string group = base::FieldTrialList::FindFullName(
1252       "AutoReloadExperiment");
1253   const base::CommandLine& browser_command_line =
1254       *base::CommandLine::ForCurrentProcess();
1255   if (browser_command_line.HasSwitch(switches::kEnableOfflineAutoReload))
1256     return true;
1257   if (browser_command_line.HasSwitch(switches::kDisableOfflineAutoReload))
1258     return false;
1259   return true;
1260 }
1261
1262 bool IsAutoReloadVisibleOnlyEnabled() {
1263   // See the block comment in IsAutoReloadEnabled().
1264   std::string group = base::FieldTrialList::FindFullName(
1265       "AutoReloadVisibleOnlyExperiment");
1266   const base::CommandLine& browser_command_line =
1267       *base::CommandLine::ForCurrentProcess();
1268   if (browser_command_line.HasSwitch(
1269       switches::kEnableOfflineAutoReloadVisibleOnly)) {
1270     return true;
1271   }
1272   if (browser_command_line.HasSwitch(
1273       switches::kDisableOfflineAutoReloadVisibleOnly)) {
1274     return false;
1275   }
1276   return true;
1277 }
1278
1279 }  // namespace
1280
1281 void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
1282     base::CommandLine* command_line,
1283     int child_process_id) {
1284 #if defined(OS_POSIX)
1285   if (breakpad::IsCrashReporterEnabled()) {
1286     scoped_ptr<metrics::ClientInfo> client_info =
1287         GoogleUpdateSettings::LoadMetricsClientInfo();
1288     command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1289                                     client_info ? client_info->client_id
1290                                                 : std::string());
1291   }
1292 #endif  // defined(OS_POSIX)
1293
1294   if (logging::DialogsAreSuppressed())
1295     command_line->AppendSwitch(switches::kNoErrorDialogs);
1296
1297   std::string process_type =
1298       command_line->GetSwitchValueASCII(switches::kProcessType);
1299   const base::CommandLine& browser_command_line =
1300       *base::CommandLine::ForCurrentProcess();
1301
1302   static const char* const kCommonSwitchNames[] = {
1303     switches::kUserAgent,
1304     switches::kUserDataDir,  // Make logs go to the right file.
1305   };
1306   command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
1307                                  arraysize(kCommonSwitchNames));
1308
1309 #if defined(ENABLE_IPC_FUZZER)
1310   static const char* const kIpcFuzzerSwitches[] = {
1311     switches::kIpcFuzzerTestcase,
1312   };
1313   command_line->CopySwitchesFrom(browser_command_line, kIpcFuzzerSwitches,
1314                                  arraysize(kIpcFuzzerSwitches));
1315 #endif
1316
1317 #if defined(OS_CHROMEOS)
1318   // On Chrome OS need to pass primary user homedir (in multi-profiles session).
1319   base::FilePath homedir;
1320   PathService::Get(base::DIR_HOME, &homedir);
1321   command_line->AppendSwitchASCII(chromeos::switches::kHomedir,
1322                                   homedir.value().c_str());
1323 #endif
1324
1325   if (process_type == switches::kRendererProcess) {
1326     content::RenderProcessHost* process =
1327         content::RenderProcessHost::FromID(child_process_id);
1328     Profile* profile =
1329         process ? Profile::FromBrowserContext(process->GetBrowserContext())
1330                 : NULL;
1331     for (size_t i = 0; i < extra_parts_.size(); ++i) {
1332       extra_parts_[i]->AppendExtraRendererCommandLineSwitches(
1333           command_line, process, profile);
1334     }
1335
1336 #if defined(OS_CHROMEOS)
1337     const std::string& login_profile =
1338         browser_command_line.GetSwitchValueASCII(
1339             chromeos::switches::kLoginProfile);
1340     if (!login_profile.empty())
1341       command_line->AppendSwitchASCII(
1342           chromeos::switches::kLoginProfile, login_profile);
1343 #endif
1344
1345 #if defined(ENABLE_WEBRTC)
1346     MaybeCopyDisableWebRtcEncryptionSwitch(command_line,
1347                                            browser_command_line,
1348                                            VersionInfo::GetChannel());
1349 #endif
1350
1351     if (process) {
1352       PrefService* prefs = profile->GetPrefs();
1353       // Currently this pref is only registered if applied via a policy.
1354       if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
1355           prefs->GetBoolean(prefs::kDisable3DAPIs)) {
1356         // Turn this policy into a command line switch.
1357         command_line->AppendSwitch(switches::kDisable3DAPIs);
1358       }
1359
1360       const base::ListValue* switches =
1361           prefs->GetList(prefs::kEnableDeprecatedWebPlatformFeatures);
1362       if (switches) {
1363         // Enable any deprecated features that have been re-enabled by policy.
1364         for (base::ListValue::const_iterator it = switches->begin();
1365              it != switches->end(); ++it) {
1366           std::string switch_to_enable;
1367           if ((*it)->GetAsString(&switch_to_enable))
1368             command_line->AppendSwitch(switch_to_enable);
1369         }
1370       }
1371
1372       // Disable client-side phishing detection in the renderer if it is
1373       // disabled in the Profile preferences or the browser process.
1374       if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
1375           !g_browser_process->safe_browsing_detection_service()) {
1376         command_line->AppendSwitch(
1377             switches::kDisableClientSidePhishingDetection);
1378       }
1379
1380       if (prefs->GetBoolean(prefs::kPrintPreviewDisabled))
1381         command_line->AppendSwitch(switches::kDisablePrintPreview);
1382
1383       InstantService* instant_service =
1384           InstantServiceFactory::GetForProfile(profile);
1385       if (instant_service &&
1386           instant_service->IsInstantProcess(process->GetID()))
1387         command_line->AppendSwitch(switches::kInstantProcess);
1388
1389 #if !defined(OS_CHROMEOS)
1390       SigninClient* signin_client =
1391           ChromeSigninClientFactory::GetForProfile(profile);
1392       if (signin_client && signin_client->IsSigninProcess(process->GetID()))
1393         command_line->AppendSwitch(switches::kSigninProcess);
1394 #endif
1395     }
1396
1397     if (IsAutoReloadEnabled())
1398       command_line->AppendSwitch(switches::kEnableOfflineAutoReload);
1399     if (IsAutoReloadVisibleOnlyEnabled()) {
1400       command_line->AppendSwitch(
1401           switches::kEnableOfflineAutoReloadVisibleOnly);
1402     }
1403
1404     {
1405       // Enable load stale cache if this session is in the field trial or
1406       // the user explicitly enabled it.  Note that as far as the renderer
1407       // is concerned, the feature is enabled if-and-only-if the
1408       // kEnableOfflineLoadStaleCache flag is on the command line;
1409       // the yes/no/default behavior is only at the browser command line
1410       // level.
1411
1412       // Command line switches override
1413       if (browser_command_line.HasSwitch(
1414               switches::kEnableOfflineLoadStaleCache)) {
1415         command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1416       } else if (!browser_command_line.HasSwitch(
1417           switches::kDisableOfflineLoadStaleCache)) {
1418         std::string group =
1419             base::FieldTrialList::FindFullName("LoadStaleCacheExperiment");
1420
1421         if (group == "Enabled")
1422           command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1423       }
1424     }
1425
1426     // Please keep this in alphabetical order.
1427     static const char* const kSwitchNames[] = {
1428       autofill::switches::kDisableFillOnAccountSelect,
1429       autofill::switches::kDisablePasswordGeneration,
1430       autofill::switches::kEnableFillOnAccountSelect,
1431       autofill::switches::kEnableFillOnAccountSelectNoHighlighting,
1432       autofill::switches::kEnablePasswordGeneration,
1433       autofill::switches::kEnablePasswordSaveOnInPageNavigation,
1434       autofill::switches::kEnableSingleClickAutofill,
1435       autofill::switches::kIgnoreAutocompleteOffForAutofill,
1436       autofill::switches::kLocalHeuristicsOnlyForPasswordGeneration,
1437       autofill::switches::kRespectAutocompleteOffForAutofill,
1438 #if defined(ENABLE_EXTENSIONS)
1439       extensions::switches::kAllowHTTPBackgroundPage,
1440       extensions::switches::kAllowLegacyExtensionManifests,
1441       extensions::switches::kEnableSurfaceWorker,
1442       extensions::switches::kEnableAppWindowControls,
1443       extensions::switches::kEnableEmbeddedExtensionOptions,
1444       extensions::switches::kEnableExperimentalExtensionApis,
1445       extensions::switches::kEnableScriptsRequireAction,
1446       extensions::switches::kExtensionsOnChromeURLs,
1447       extensions::switches::kWhitelistedExtensionID,
1448 #endif
1449       switches::kAppsCheckoutURL,
1450       switches::kAppsGalleryURL,
1451       switches::kCloudPrintURL,
1452       switches::kCloudPrintXmppEndpoint,
1453       switches::kDisableBundledPpapiFlash,
1454       switches::kDisableCastStreamingHWEncoding,
1455       switches::kDisableJavaScriptHarmonyShipping,
1456       switches::kDisableNewBookmarkApps,
1457       switches::kDisableOutOfProcessPdf,
1458       switches::kEnableBenchmarking,
1459       switches::kEnableNaCl,
1460 #if !defined(DISABLE_NACL)
1461       switches::kEnableNaClDebug,
1462       switches::kEnableNaClNonSfiMode,
1463 #endif
1464       switches::kEnableNetBenchmarking,
1465       switches::kEnableOutOfProcessPdf,
1466       switches::kEnablePluginPlaceholderShadowDom,
1467       switches::kEnableShowModalDialog,
1468       switches::kEnableWebBasedSignin,
1469       switches::kJavaScriptHarmony,
1470       switches::kMessageLoopHistogrammer,
1471       switches::kPlaybackMode,
1472       switches::kPpapiFlashArgs,
1473       switches::kPpapiFlashPath,
1474       switches::kPpapiFlashVersion,
1475       switches::kProfilingAtStart,
1476       switches::kProfilingFile,
1477       switches::kProfilingFlush,
1478       switches::kRecordMode,
1479       translate::switches::kTranslateSecurityOrigin,
1480     };
1481
1482     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1483                                    arraysize(kSwitchNames));
1484   } else if (process_type == switches::kUtilityProcess) {
1485 #if defined(ENABLE_EXTENSIONS)
1486     static const char* const kSwitchNames[] = {
1487       extensions::switches::kAllowHTTPBackgroundPage,
1488       extensions::switches::kEnableExperimentalExtensionApis,
1489       extensions::switches::kExtensionsOnChromeURLs,
1490       extensions::switches::kWhitelistedExtensionID,
1491     };
1492
1493     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1494                                    arraysize(kSwitchNames));
1495 #endif
1496   } else if (process_type == switches::kPluginProcess) {
1497 #if defined(OS_CHROMEOS)
1498     static const char* const kSwitchNames[] = {
1499       chromeos::switches::kLoginProfile,
1500     };
1501
1502     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1503                                    arraysize(kSwitchNames));
1504 #endif
1505   } else if (process_type == switches::kZygoteProcess) {
1506     static const char* const kSwitchNames[] = {
1507       // Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
1508       switches::kDisableBundledPpapiFlash,
1509 #if !defined(DISABLE_NACL)
1510       switches::kEnableNaClDebug,
1511       switches::kEnableNaClNonSfiMode,
1512       switches::kNaClDangerousNoSandboxNonSfi,
1513       switches::kUseNaClHelperNonSfi,
1514 #endif
1515       switches::kPpapiFlashPath,
1516       switches::kPpapiFlashVersion,
1517     };
1518
1519     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1520                                    arraysize(kSwitchNames));
1521   } else if (process_type == switches::kGpuProcess) {
1522     // If --ignore-gpu-blacklist is passed in, don't send in crash reports
1523     // because GPU is expected to be unreliable.
1524     if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
1525         !command_line->HasSwitch(switches::kDisableBreakpad))
1526       command_line->AppendSwitch(switches::kDisableBreakpad);
1527   }
1528
1529   // The command line switch kEnableBenchmarking needs to be specified along
1530   // with the kEnableStatsTable switch to ensure that the stats table global
1531   // is initialized correctly.
1532   if (command_line->HasSwitch(switches::kEnableBenchmarking))
1533     DCHECK(command_line->HasSwitch(switches::kEnableStatsTable));
1534 }
1535
1536 std::string ChromeContentBrowserClient::GetApplicationLocale() {
1537   if (BrowserThread::CurrentlyOn(BrowserThread::IO))
1538     return g_io_thread_application_locale.Get();
1539   return g_browser_process->GetApplicationLocale();
1540 }
1541
1542 std::string ChromeContentBrowserClient::GetAcceptLangs(
1543     content::BrowserContext* context) {
1544   Profile* profile = Profile::FromBrowserContext(context);
1545   return profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
1546 }
1547
1548 const gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
1549   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
1550   return rb.GetNativeImageNamed(IDR_DEFAULT_FAVICON).ToImageSkia();
1551 }
1552
1553 bool ChromeContentBrowserClient::AllowAppCache(
1554     const GURL& manifest_url,
1555     const GURL& first_party,
1556     content::ResourceContext* context) {
1557   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1558   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1559   return io_data->GetCookieSettings()->
1560       IsSettingCookieAllowed(manifest_url, first_party);
1561 }
1562
1563 bool ChromeContentBrowserClient::AllowServiceWorker(
1564     const GURL& scope,
1565     const GURL& first_party_url,
1566     content::ResourceContext* context) {
1567   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1568   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1569   return io_data->GetCookieSettings()->
1570       IsSettingCookieAllowed(scope, first_party_url);
1571 }
1572
1573 bool ChromeContentBrowserClient::AllowGetCookie(
1574     const GURL& url,
1575     const GURL& first_party,
1576     const net::CookieList& cookie_list,
1577     content::ResourceContext* context,
1578     int render_process_id,
1579     int render_frame_id) {
1580   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1581   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1582   bool allow = io_data->GetCookieSettings()->
1583       IsReadingCookieAllowed(url, first_party);
1584
1585   BrowserThread::PostTask(
1586       BrowserThread::UI, FROM_HERE,
1587       base::Bind(&TabSpecificContentSettings::CookiesRead, render_process_id,
1588                  render_frame_id, url, first_party, cookie_list, !allow, true));
1589   return allow;
1590 }
1591
1592 bool ChromeContentBrowserClient::AllowSetCookie(
1593     const GURL& url,
1594     const GURL& first_party,
1595     const std::string& cookie_line,
1596     content::ResourceContext* context,
1597     int render_process_id,
1598     int render_frame_id,
1599     net::CookieOptions* options) {
1600   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1601   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1602   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1603   bool allow = cookie_settings->IsSettingCookieAllowed(url, first_party);
1604
1605   if (prerender_tracker_) {
1606     prerender_tracker_->OnCookieChangedForURL(
1607         render_process_id,
1608         context->GetRequestContext()->cookie_store()->GetCookieMonster(),
1609         url);
1610   }
1611
1612   BrowserThread::PostTask(
1613       BrowserThread::UI, FROM_HERE,
1614       base::Bind(&TabSpecificContentSettings::CookieChanged, render_process_id,
1615                  render_frame_id, url, first_party, cookie_line, *options,
1616                  !allow));
1617   return allow;
1618 }
1619
1620 bool ChromeContentBrowserClient::AllowSaveLocalState(
1621     content::ResourceContext* context) {
1622   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1623   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1624   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1625   ContentSetting setting = cookie_settings->GetDefaultCookieSetting(NULL);
1626
1627   // TODO(bauerb): Should we also disallow local state if the default is BLOCK?
1628   // Could we even support per-origin settings?
1629   return setting != CONTENT_SETTING_SESSION_ONLY;
1630 }
1631
1632 bool ChromeContentBrowserClient::AllowWorkerDatabase(
1633     const GURL& url,
1634     const base::string16& name,
1635     const base::string16& display_name,
1636     unsigned long estimated_size,
1637     content::ResourceContext* context,
1638     const std::vector<std::pair<int, int> >& render_frames) {
1639   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1640   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1641   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1642   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1643
1644   // Record access to database for potential display in UI.
1645   std::vector<std::pair<int, int> >::const_iterator i;
1646   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1647     BrowserThread::PostTask(
1648         BrowserThread::UI, FROM_HERE,
1649         base::Bind(&TabSpecificContentSettings::WebDatabaseAccessed,
1650                    i->first, i->second, url, name, display_name, !allow));
1651   }
1652
1653   return allow;
1654 }
1655
1656 void ChromeContentBrowserClient::AllowWorkerFileSystem(
1657     const GURL& url,
1658     content::ResourceContext* context,
1659     const std::vector<std::pair<int, int> >& render_frames,
1660     base::Callback<void(bool)> callback) {
1661   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1662   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1663   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1664   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1665
1666 #if defined(ENABLE_EXTENSIONS)
1667   GuestPermissionRequestHelper(url, render_frames, callback, allow);
1668 #else
1669   FileSystemAccessed(url, render_frames, callback, allow);
1670 #endif
1671 }
1672
1673 #if defined(ENABLE_EXTENSIONS)
1674 void ChromeContentBrowserClient::GuestPermissionRequestHelper(
1675     const GURL& url,
1676     const std::vector<std::pair<int, int> >& render_frames,
1677     base::Callback<void(bool)> callback,
1678     bool allow) {
1679   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::IO));
1680   std::vector<std::pair<int, int> >::const_iterator i;
1681   std::map<int, int> process_map;
1682   std::map<int, int>::const_iterator it;
1683   bool has_web_view_guest = false;
1684   // Record access to file system for potential display in UI.
1685   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1686     if (process_map.find(i->first) != process_map.end())
1687       continue;
1688
1689     process_map.insert(std::pair<int, int>(i->first, i->second));
1690
1691     if (extensions::WebViewRendererState::GetInstance()->IsGuest(i->first))
1692       has_web_view_guest = true;
1693   }
1694   if (!has_web_view_guest) {
1695     FileSystemAccessed(url, render_frames, callback, allow);
1696     return;
1697   }
1698   DCHECK_EQ(1U, process_map.size());
1699   it = process_map.begin();
1700   BrowserThread::PostTask(
1701       BrowserThread::UI,
1702       FROM_HERE,
1703       base::Bind(&ChromeContentBrowserClient::
1704                   RequestFileSystemPermissionOnUIThread,
1705                   it->first,
1706                   it->second,
1707                   url,
1708                   allow,
1709                   base::Bind(&ChromeContentBrowserClient::FileSystemAccessed,
1710                             weak_factory_.GetWeakPtr(),
1711                             url,
1712                             render_frames,
1713                             callback)));
1714 }
1715
1716 void ChromeContentBrowserClient::RequestFileSystemPermissionOnUIThread(
1717     int render_process_id,
1718     int render_frame_id,
1719     const GURL& url,
1720     bool allowed_by_default,
1721     const base::Callback<void(bool)>& callback) {
1722   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::UI));
1723   extensions::WebViewPermissionHelper* web_view_permission_helper =
1724       extensions::WebViewPermissionHelper::FromFrameID(
1725           render_process_id, render_frame_id);
1726   web_view_permission_helper->RequestFileSystemPermission(url,
1727                                                           allowed_by_default,
1728                                                           callback);
1729 }
1730 #endif
1731
1732 void ChromeContentBrowserClient::FileSystemAccessed(
1733     const GURL& url,
1734     const std::vector<std::pair<int, int> >& render_frames,
1735     base::Callback<void(bool)> callback,
1736     bool allow) {
1737   // Record access to file system for potential display in UI.
1738   std::vector<std::pair<int, int> >::const_iterator i;
1739   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1740     BrowserThread::PostTask(
1741         BrowserThread::UI,
1742         FROM_HERE,
1743         base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
1744                    i->first, i->second, url, !allow));
1745   }
1746   callback.Run(allow);
1747 }
1748
1749 bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
1750     const GURL& url,
1751     const base::string16& name,
1752     content::ResourceContext* context,
1753     const std::vector<std::pair<int, int> >& render_frames) {
1754   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1755   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1756   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1757   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1758
1759   // Record access to IndexedDB for potential display in UI.
1760   std::vector<std::pair<int, int> >::const_iterator i;
1761   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1762     BrowserThread::PostTask(
1763         BrowserThread::UI, FROM_HERE,
1764         base::Bind(&TabSpecificContentSettings::IndexedDBAccessed,
1765                    i->first, i->second, url, name, !allow));
1766   }
1767
1768   return allow;
1769 }
1770
1771 net::URLRequestContext*
1772 ChromeContentBrowserClient::OverrideRequestContextForURL(
1773     const GURL& url, content::ResourceContext* context) {
1774   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1775 #if defined(ENABLE_EXTENSIONS)
1776   if (url.SchemeIs(extensions::kExtensionScheme)) {
1777     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1778     return io_data->extensions_request_context();
1779   }
1780 #endif
1781
1782   return NULL;
1783 }
1784
1785 QuotaPermissionContext*
1786 ChromeContentBrowserClient::CreateQuotaPermissionContext() {
1787   return new ChromeQuotaPermissionContext();
1788 }
1789
1790 void ChromeContentBrowserClient::AllowCertificateError(
1791     int render_process_id,
1792     int render_frame_id,
1793     int cert_error,
1794     const net::SSLInfo& ssl_info,
1795     const GURL& request_url,
1796     ResourceType resource_type,
1797     bool overridable,
1798     bool strict_enforcement,
1799     bool expired_previous_decision,
1800     const base::Callback<void(bool)>& callback,
1801     content::CertificateRequestResultType* result) {
1802   if (resource_type != content::RESOURCE_TYPE_MAIN_FRAME) {
1803     // A sub-resource has a certificate error.  The user doesn't really
1804     // have a context for making the right decision, so block the
1805     // request hard, without an info bar to allow showing the insecure
1806     // content.
1807     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
1808     return;
1809   }
1810
1811   // If the tab is being prerendered, cancel the prerender and the request.
1812   content::RenderFrameHost* render_frame_host =
1813       content::RenderFrameHost::FromID(render_process_id, render_frame_id);
1814   WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
1815   if (!tab) {
1816     NOTREACHED();
1817     return;
1818   }
1819
1820   prerender::PrerenderContents* prerender_contents =
1821       prerender::PrerenderContents::FromWebContents(tab);
1822   if (prerender_contents) {
1823     prerender_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
1824     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
1825     return;
1826   }
1827
1828   // Otherwise, display an SSL blocking page. The interstitial page takes
1829   // ownership of ssl_blocking_page.
1830   int options_mask = 0;
1831   if (overridable)
1832     options_mask |= SSLBlockingPage::OVERRIDABLE;
1833   if (strict_enforcement)
1834     options_mask |= SSLBlockingPage::STRICT_ENFORCEMENT;
1835   if (expired_previous_decision)
1836     options_mask |= SSLBlockingPage::EXPIRED_BUT_PREVIOUSLY_ALLOWED;
1837
1838   SSLErrorHandler::HandleSSLError(
1839       tab, cert_error, ssl_info, request_url, options_mask, callback);
1840 }
1841
1842 void ChromeContentBrowserClient::SelectClientCertificate(
1843     int render_process_id,
1844     int render_frame_id,
1845     net::SSLCertRequestInfo* cert_request_info,
1846     const base::Callback<void(net::X509Certificate*)>& callback) {
1847   content::RenderFrameHost* rfh = content::RenderFrameHost::FromID(
1848       render_process_id, render_frame_id);
1849   WebContents* tab = WebContents::FromRenderFrameHost(rfh);
1850   if (!tab) {
1851     // TODO(davidben): This makes the request hang, but returning no certificate
1852     // also breaks. It should abort the request. See https://crbug.com/417092
1853     return;
1854   }
1855
1856   prerender::PrerenderContents* prerender_contents =
1857       prerender::PrerenderContents::FromWebContents(tab);
1858   if (prerender_contents) {
1859     prerender_contents->Destroy(
1860         prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
1861     return;
1862   }
1863
1864   GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
1865   DCHECK(requesting_url.is_valid())
1866       << "Invalid URL string: https://"
1867       << cert_request_info->host_and_port.ToString();
1868
1869   Profile* profile = Profile::FromBrowserContext(tab->GetBrowserContext());
1870   scoped_ptr<base::Value> filter =
1871       profile->GetHostContentSettingsMap()->GetWebsiteSetting(
1872           requesting_url,
1873           requesting_url,
1874           CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
1875           std::string(),
1876           NULL);
1877
1878   if (filter.get()) {
1879     // Try to automatically select a client certificate.
1880     if (filter->IsType(base::Value::TYPE_DICTIONARY)) {
1881       base::DictionaryValue* filter_dict =
1882           static_cast<base::DictionaryValue*>(filter.get());
1883
1884       const std::vector<scoped_refptr<net::X509Certificate> >&
1885           all_client_certs = cert_request_info->client_certs;
1886       for (size_t i = 0; i < all_client_certs.size(); ++i) {
1887         if (CertMatchesFilter(*all_client_certs[i].get(), *filter_dict)) {
1888           // Use the first certificate that is matched by the filter.
1889           callback.Run(all_client_certs[i].get());
1890           return;
1891         }
1892       }
1893     } else {
1894       NOTREACHED();
1895     }
1896   }
1897
1898   chrome::ShowSSLClientCertificateSelector(tab, cert_request_info, callback);
1899 }
1900
1901 void ChromeContentBrowserClient::AddCertificate(
1902     net::CertificateMimeType cert_type,
1903     const void* cert_data,
1904     size_t cert_size,
1905     int render_process_id,
1906     int render_frame_id) {
1907   chrome::SSLAddCertificate(cert_type, cert_data, cert_size,
1908                             render_process_id, render_frame_id);
1909 }
1910
1911 content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
1912   return MediaCaptureDevicesDispatcher::GetInstance();
1913 }
1914
1915 content::PlatformNotificationService*
1916 ChromeContentBrowserClient::GetPlatformNotificationService() {
1917 #if defined(ENABLE_NOTIFICATIONS)
1918   return PlatformNotificationServiceImpl::GetInstance();
1919 #else
1920   NOTIMPLEMENTED();
1921   return NULL;
1922 #endif
1923 }
1924
1925 void ChromeContentBrowserClient::RequestPermission(
1926     content::PermissionType permission,
1927     content::WebContents* web_contents,
1928     int bridge_id,
1929     const GURL& requesting_frame,
1930     bool user_gesture,
1931     const base::Callback<void(bool)>& result_callback) {
1932   int render_process_id = web_contents->GetRenderProcessHost()->GetID();
1933   int render_view_id = web_contents->GetRenderViewHost()->GetRoutingID();
1934   const PermissionRequestID request_id(render_process_id,
1935                                        render_view_id,
1936                                        bridge_id,
1937                                        requesting_frame);
1938   Profile* profile =
1939       Profile::FromBrowserContext(web_contents->GetBrowserContext());
1940   PermissionContextBase* context = GetPermissionContext(profile, permission);
1941
1942   if (!context)
1943     return;
1944
1945   context->RequestPermission(web_contents, request_id, requesting_frame,
1946                              user_gesture, result_callback);
1947 }
1948
1949 content::PermissionStatus ChromeContentBrowserClient::GetPermissionStatus(
1950     content::PermissionType permission,
1951     content::BrowserContext* browser_context,
1952     const GURL& requesting_origin,
1953     const GURL& embedding_origin) {
1954   DCHECK(browser_context);
1955   Profile* profile = Profile::FromBrowserContext(browser_context);
1956   PermissionContextBase* context = GetPermissionContext(profile, permission);
1957
1958   if (!context)
1959     return content::PERMISSION_STATUS_ASK;
1960
1961   return ContentSettingToPermissionStatus(
1962       context->GetPermissionStatus(requesting_origin.GetOrigin(),
1963                                    embedding_origin.GetOrigin()));
1964 }
1965
1966 void ChromeContentBrowserClient::ResetPermission(
1967     content::PermissionType permission,
1968     content::BrowserContext* browser_context,
1969     const GURL& requesting_origin,
1970     const GURL& embedding_origin) {
1971   DCHECK(browser_context);
1972   Profile* profile = Profile::FromBrowserContext(browser_context);
1973   PermissionContextBase* context = GetPermissionContext(profile, permission);
1974
1975   if (!context)
1976     return;
1977
1978   context->ResetPermission(requesting_origin.GetOrigin(),
1979                            embedding_origin.GetOrigin());
1980 }
1981
1982 void ChromeContentBrowserClient::CancelPermissionRequest(
1983     content::PermissionType permission,
1984     content::WebContents* web_contents,
1985     int bridge_id,
1986     const GURL& requesting_frame) {
1987   int render_process_id = web_contents->GetRenderProcessHost()->GetID();
1988   int render_view_id = web_contents->GetRenderViewHost()->GetRoutingID();
1989   const PermissionRequestID request_id(render_process_id,
1990                                        render_view_id,
1991                                        bridge_id,
1992                                        requesting_frame);
1993   Profile* profile =
1994       Profile::FromBrowserContext(web_contents->GetBrowserContext());
1995   PermissionContextBase* context = GetPermissionContext(profile, permission);
1996   if (!context)
1997     return;
1998   context->CancelPermissionRequest(web_contents, request_id);
1999 }
2000
2001 void ChromeContentBrowserClient::RegisterPermissionUsage(
2002     content::PermissionType permission,
2003     content::WebContents* web_contents,
2004     const GURL& frame_url,
2005     const GURL& main_frame_url) {
2006   Profile::FromBrowserContext(web_contents->GetBrowserContext())
2007       ->GetHostContentSettingsMap()
2008       ->UpdateLastUsage(
2009           frame_url, main_frame_url, PermissionToContentSetting(permission));
2010 }
2011
2012 bool ChromeContentBrowserClient::CanCreateWindow(
2013     const GURL& opener_url,
2014     const GURL& opener_top_level_frame_url,
2015     const GURL& source_origin,
2016     WindowContainerType container_type,
2017     const GURL& target_url,
2018     const content::Referrer& referrer,
2019     WindowOpenDisposition disposition,
2020     const WebWindowFeatures& features,
2021     bool user_gesture,
2022     bool opener_suppressed,
2023     content::ResourceContext* context,
2024     int render_process_id,
2025     int opener_id,
2026     bool* no_javascript_access) {
2027   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2028
2029   *no_javascript_access = false;
2030
2031   // If the opener is trying to create a background window but doesn't have
2032   // the appropriate permission, fail the attempt.
2033   if (container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
2034 #if defined(ENABLE_EXTENSIONS)
2035     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2036     InfoMap* map = io_data->GetExtensionInfoMap();
2037     if (!map->SecurityOriginHasAPIPermission(
2038             source_origin,
2039             render_process_id,
2040             APIPermission::kBackground)) {
2041       return false;
2042     }
2043
2044     // Note: this use of GetExtensionOrAppByURL is safe but imperfect.  It may
2045     // return a recently installed Extension even if this CanCreateWindow call
2046     // was made by an old copy of the page in a normal web process.  That's ok,
2047     // because the permission check above would have caused an early return
2048     // already. We must use the full URL to find hosted apps, though, and not
2049     // just the origin.
2050     const Extension* extension =
2051         map->extensions().GetExtensionOrAppByURL(opener_url);
2052     if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
2053       *no_javascript_access = true;
2054 #endif
2055
2056     return true;
2057   }
2058
2059 #if defined(ENABLE_EXTENSIONS)
2060   if (extensions::WebViewRendererState::GetInstance()->IsGuest(
2061       render_process_id))
2062     return true;
2063 #endif
2064
2065   HostContentSettingsMap* content_settings =
2066       ProfileIOData::FromResourceContext(context)->GetHostContentSettingsMap();
2067   BlockedWindowParams blocked_params(target_url,
2068                                      referrer,
2069                                      disposition,
2070                                      features,
2071                                      user_gesture,
2072                                      opener_suppressed,
2073                                      render_process_id,
2074                                      opener_id);
2075
2076   if (!user_gesture &&
2077       !base::CommandLine::ForCurrentProcess()->HasSwitch(
2078           switches::kDisablePopupBlocking)) {
2079     if (content_settings->GetContentSetting(opener_top_level_frame_url,
2080                                             opener_top_level_frame_url,
2081                                             CONTENT_SETTINGS_TYPE_POPUPS,
2082                                             std::string()) !=
2083         CONTENT_SETTING_ALLOW) {
2084       BrowserThread::PostTask(BrowserThread::UI,
2085                               FROM_HERE,
2086                               base::Bind(&HandleBlockedPopupOnUIThread,
2087                                          blocked_params));
2088       return false;
2089     }
2090   }
2091
2092 #if defined(OS_ANDROID)
2093   if (SingleTabModeTabHelper::IsRegistered(render_process_id, opener_id)) {
2094     BrowserThread::PostTask(BrowserThread::UI,
2095                             FROM_HERE,
2096                             base::Bind(&HandleSingleTabModeBlockOnUIThread,
2097                                        blocked_params));
2098     return false;
2099   }
2100 #endif
2101
2102   return true;
2103 }
2104
2105 void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
2106   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
2107   prerender_tracker_ = g_browser_process->prerender_tracker();
2108   return g_browser_process->ResourceDispatcherHostCreated();
2109 }
2110
2111 content::SpeechRecognitionManagerDelegate*
2112     ChromeContentBrowserClient::CreateSpeechRecognitionManagerDelegate() {
2113   return new speech::ChromeSpeechRecognitionManagerDelegate();
2114 }
2115
2116 net::NetLog* ChromeContentBrowserClient::GetNetLog() {
2117   return g_browser_process->net_log();
2118 }
2119
2120 AccessTokenStore* ChromeContentBrowserClient::CreateAccessTokenStore() {
2121   return new ChromeAccessTokenStore();
2122 }
2123
2124 bool ChromeContentBrowserClient::IsFastShutdownPossible() {
2125   return true;
2126 }
2127
2128 void ChromeContentBrowserClient::OverrideWebkitPrefs(
2129     RenderViewHost* rvh, const GURL& url, WebPreferences* web_prefs) {
2130   Profile* profile = Profile::FromBrowserContext(
2131       rvh->GetProcess()->GetBrowserContext());
2132   PrefService* prefs = profile->GetPrefs();
2133
2134   // Fill per-script font preferences. These are not registered on Android
2135   // - http://crbug.com/308033.
2136 #if !defined(OS_ANDROID)
2137   FontFamilyCache::FillFontFamilyMap(profile,
2138                                      prefs::kWebKitStandardFontFamilyMap,
2139                                      &web_prefs->standard_font_family_map);
2140   FontFamilyCache::FillFontFamilyMap(profile,
2141                                      prefs::kWebKitFixedFontFamilyMap,
2142                                      &web_prefs->fixed_font_family_map);
2143   FontFamilyCache::FillFontFamilyMap(profile,
2144                                      prefs::kWebKitSerifFontFamilyMap,
2145                                      &web_prefs->serif_font_family_map);
2146   FontFamilyCache::FillFontFamilyMap(profile,
2147                                      prefs::kWebKitSansSerifFontFamilyMap,
2148                                      &web_prefs->sans_serif_font_family_map);
2149   FontFamilyCache::FillFontFamilyMap(profile,
2150                                      prefs::kWebKitCursiveFontFamilyMap,
2151                                      &web_prefs->cursive_font_family_map);
2152   FontFamilyCache::FillFontFamilyMap(profile,
2153                                      prefs::kWebKitFantasyFontFamilyMap,
2154                                      &web_prefs->fantasy_font_family_map);
2155   FontFamilyCache::FillFontFamilyMap(profile,
2156                                      prefs::kWebKitPictographFontFamilyMap,
2157                                      &web_prefs->pictograph_font_family_map);
2158 #endif
2159
2160   web_prefs->default_font_size =
2161       prefs->GetInteger(prefs::kWebKitDefaultFontSize);
2162   web_prefs->default_fixed_font_size =
2163       prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
2164   web_prefs->minimum_font_size =
2165       prefs->GetInteger(prefs::kWebKitMinimumFontSize);
2166   web_prefs->minimum_logical_font_size =
2167       prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
2168
2169   web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2170
2171   web_prefs->javascript_can_open_windows_automatically =
2172       prefs->GetBoolean(prefs::kWebKitJavascriptCanOpenWindowsAutomatically);
2173   web_prefs->dom_paste_enabled =
2174       prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
2175   web_prefs->shrinks_standalone_images_to_fit =
2176       prefs->GetBoolean(prefs::kWebKitShrinksStandaloneImagesToFit);
2177   web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
2178
2179   if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
2180     web_prefs->javascript_enabled = false;
2181   if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
2182     web_prefs->web_security_enabled = false;
2183   if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
2184     web_prefs->plugins_enabled = false;
2185   if (!prefs->GetBoolean(prefs::kWebKitJavaEnabled))
2186     web_prefs->java_enabled = false;
2187   web_prefs->loads_images_automatically =
2188       prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
2189
2190   if (prefs->GetBoolean(prefs::kDisable3DAPIs))
2191     web_prefs->experimental_webgl_enabled = false;
2192
2193   web_prefs->allow_displaying_insecure_content =
2194       prefs->GetBoolean(prefs::kWebKitAllowDisplayingInsecureContent);
2195   web_prefs->allow_running_insecure_content =
2196       prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
2197 #if defined(OS_ANDROID)
2198   web_prefs->font_scale_factor =
2199       static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
2200   web_prefs->device_scale_adjustment = GetDeviceScaleAdjustment();
2201   web_prefs->force_enable_zoom =
2202       prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
2203 #endif
2204
2205 #if defined(OS_ANDROID)
2206   web_prefs->password_echo_enabled =
2207       prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
2208 #else
2209   web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
2210 #endif
2211
2212   web_prefs->asynchronous_spell_checking_enabled = true;
2213   web_prefs->unified_textchecker_enabled = true;
2214
2215   web_prefs->uses_universal_detector =
2216       prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
2217   web_prefs->text_areas_are_resizable =
2218       prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
2219   web_prefs->hyperlink_auditing_enabled =
2220       prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
2221
2222   // Make sure we will set the default_encoding with canonical encoding name.
2223   web_prefs->default_encoding =
2224       CharacterEncoding::GetCanonicalEncodingNameByAliasName(
2225           web_prefs->default_encoding);
2226   if (web_prefs->default_encoding.empty()) {
2227     prefs->ClearPref(prefs::kDefaultCharset);
2228     web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2229   }
2230   DCHECK(!web_prefs->default_encoding.empty());
2231
2232   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
2233           switches::kEnablePotentiallyAnnoyingSecurityFeatures)) {
2234     web_prefs->disable_reading_from_canvas = true;
2235     web_prefs->strict_mixed_content_checking = true;
2236     web_prefs->strict_powerful_feature_restrictions = true;
2237   }
2238
2239   for (size_t i = 0; i < extra_parts_.size(); ++i)
2240     extra_parts_[i]->OverrideWebkitPrefs(rvh, url, web_prefs);
2241 }
2242
2243 void ChromeContentBrowserClient::BrowserURLHandlerCreated(
2244     BrowserURLHandler* handler) {
2245   for (size_t i = 0; i < extra_parts_.size(); ++i)
2246     extra_parts_[i]->BrowserURLHandlerCreated(handler);
2247
2248   // about: handler. Must come before chrome: handler, since it will
2249   // rewrite about: urls to chrome: URLs and then expect chrome: to
2250   // actually handle them.
2251   handler->AddHandlerPair(&WillHandleBrowserAboutURL,
2252                           BrowserURLHandler::null_handler());
2253
2254 #if defined(OS_ANDROID)
2255   // Handler to rewrite chrome://newtab on Android.
2256   handler->AddHandlerPair(&chrome::android::HandleAndroidNativePageURL,
2257                           BrowserURLHandler::null_handler());
2258 #else
2259   // Handler to rewrite chrome://newtab for InstantExtended.
2260   handler->AddHandlerPair(&chrome::HandleNewTabURLRewrite,
2261                           &chrome::HandleNewTabURLReverseRewrite);
2262 #endif
2263
2264   // chrome: & friends.
2265   handler->AddHandlerPair(&HandleWebUI, &HandleWebUIReverse);
2266 }
2267
2268 void ChromeContentBrowserClient::ClearCache(RenderViewHost* rvh) {
2269   Profile* profile = Profile::FromBrowserContext(
2270       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2271   BrowsingDataRemover* remover =
2272       BrowsingDataRemover::CreateForUnboundedRange(profile);
2273   remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
2274                   BrowsingDataHelper::UNPROTECTED_WEB);
2275   // BrowsingDataRemover takes care of deleting itself when done.
2276 }
2277
2278 void ChromeContentBrowserClient::ClearCookies(RenderViewHost* rvh) {
2279   Profile* profile = Profile::FromBrowserContext(
2280       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2281   BrowsingDataRemover* remover =
2282       BrowsingDataRemover::CreateForUnboundedRange(profile);
2283   int remove_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
2284   remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
2285   // BrowsingDataRemover takes care of deleting itself when done.
2286 }
2287
2288 base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
2289   return DownloadPrefs::GetDefaultDownloadDirectory();
2290 }
2291
2292 std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
2293   return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
2294 }
2295
2296 void ChromeContentBrowserClient::DidCreatePpapiPlugin(
2297     content::BrowserPpapiHost* browser_host) {
2298 #if defined(ENABLE_PLUGINS)
2299   ChromeContentBrowserClientPluginsPart::DidCreatePpapiPlugin(browser_host);
2300 #endif
2301 }
2302
2303 content::BrowserPpapiHost*
2304     ChromeContentBrowserClient::GetExternalBrowserPpapiHost(
2305         int plugin_process_id) {
2306 #if !defined(DISABLE_NACL)
2307   content::BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
2308   while (!iter.Done()) {
2309     nacl::NaClProcessHost* host = static_cast<nacl::NaClProcessHost*>(
2310         iter.GetDelegate());
2311     if (host->process() &&
2312         host->process()->GetData().id == plugin_process_id) {
2313       // Found the plugin.
2314       return host->browser_ppapi_host();
2315     }
2316     ++iter;
2317   }
2318 #endif
2319   return NULL;
2320 }
2321
2322 bool ChromeContentBrowserClient::AllowPepperSocketAPI(
2323     content::BrowserContext* browser_context,
2324     const GURL& url,
2325     bool private_api,
2326     const content::SocketPermissionRequest* params) {
2327 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2328   return ChromeContentBrowserClientPluginsPart::AllowPepperSocketAPI(
2329       browser_context, url, private_api, params, allowed_socket_origins_);
2330 #else
2331   return false;
2332 #endif
2333 }
2334
2335 ui::SelectFilePolicy* ChromeContentBrowserClient::CreateSelectFilePolicy(
2336     WebContents* web_contents) {
2337   return new ChromeSelectFilePolicy(web_contents);
2338 }
2339
2340 void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2341     std::vector<std::string>* additional_allowed_schemes) {
2342   ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2343       additional_allowed_schemes);
2344   additional_allowed_schemes->push_back(content::kChromeDevToolsScheme);
2345   additional_allowed_schemes->push_back(content::kChromeUIScheme);
2346   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2347     extra_parts_[i]->GetAdditionalAllowedSchemesForFileSystem(
2348         additional_allowed_schemes);
2349   }
2350 }
2351
2352 void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
2353     std::vector<storage::URLRequestAutoMountHandler>* handlers) {
2354   for (size_t i = 0; i < extra_parts_.size(); ++i)
2355     extra_parts_[i]->GetURLRequestAutoMountHandlers(handlers);
2356 }
2357
2358 void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
2359     content::BrowserContext* browser_context,
2360     const base::FilePath& storage_partition_path,
2361     ScopedVector<storage::FileSystemBackend>* additional_backends) {
2362 #if defined(OS_CHROMEOS)
2363   storage::ExternalMountPoints* external_mount_points =
2364       content::BrowserContext::GetMountPoints(browser_context);
2365   DCHECK(external_mount_points);
2366   chromeos::FileSystemBackend* backend = new chromeos::FileSystemBackend(
2367       new drive::FileSystemBackendDelegate,
2368       new chromeos::file_system_provider::BackendDelegate,
2369       new chromeos::MTPFileSystemBackendDelegate(storage_partition_path),
2370       browser_context->GetSpecialStoragePolicy(),
2371       external_mount_points,
2372       storage::ExternalMountPoints::GetSystemInstance());
2373   backend->AddSystemMountPoints();
2374   DCHECK(backend->CanHandleType(storage::kFileSystemTypeExternal));
2375   additional_backends->push_back(backend);
2376 #endif
2377
2378   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2379     extra_parts_[i]->GetAdditionalFileSystemBackends(
2380         browser_context, storage_partition_path, additional_backends);
2381   }
2382 }
2383
2384 #if defined(OS_POSIX) && !defined(OS_MACOSX)
2385 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2386     const base::CommandLine& command_line,
2387     int child_process_id,
2388     FileDescriptorInfo* mappings) {
2389 #if defined(OS_ANDROID)
2390   base::FilePath data_path;
2391   PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &data_path);
2392   DCHECK(!data_path.empty());
2393
2394   int flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2395   base::FilePath chrome_resources_pak =
2396       data_path.AppendASCII("chrome_100_percent.pak");
2397   base::File file(chrome_resources_pak, flags);
2398   DCHECK(file.IsValid());
2399   mappings->Transfer(kAndroidChrome100PercentPakDescriptor,
2400                      base::ScopedFD(file.TakePlatformFile()));
2401
2402   const std::string locale = GetApplicationLocale();
2403   base::FilePath locale_pak = ResourceBundle::GetSharedInstance().
2404       GetLocaleFilePath(locale, false);
2405   file.Initialize(locale_pak, flags);
2406   DCHECK(file.IsValid());
2407   mappings->Transfer(kAndroidLocalePakDescriptor,
2408                      base::ScopedFD(file.TakePlatformFile()));
2409
2410   base::FilePath resources_pack_path;
2411   PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
2412   file.Initialize(resources_pack_path, flags);
2413   DCHECK(file.IsValid());
2414   mappings->Transfer(kAndroidUIResourcesPakDescriptor,
2415                      base::ScopedFD(file.TakePlatformFile()));
2416
2417   if (breakpad::IsCrashReporterEnabled()) {
2418     file = breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
2419                child_process_id);
2420     if (file.IsValid()) {
2421       mappings->Transfer(kAndroidMinidumpDescriptor,
2422                          base::ScopedFD(file.TakePlatformFile()));
2423     } else {
2424       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
2425                  "be disabled for this process.";
2426     }
2427   }
2428
2429   base::FilePath app_data_path;
2430   PathService::Get(base::DIR_ANDROID_APP_DATA, &app_data_path);
2431   DCHECK(!app_data_path.empty());
2432
2433   flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2434   base::FilePath icudata_path =
2435       app_data_path.AppendASCII(base::i18n::kIcuDataFileName);
2436   base::File icudata_file(icudata_path, flags);
2437   DCHECK(icudata_file.IsValid());
2438   mappings->Transfer(kAndroidICUDataDescriptor,
2439                      base::ScopedFD(icudata_file.TakePlatformFile()));
2440
2441 #ifdef V8_USE_EXTERNAL_STARTUP_DATA
2442   base::FilePath v8_data_path;
2443   PathService::Get(base::DIR_ANDROID_APP_DATA, &v8_data_path);
2444   DCHECK(!v8_data_path.empty());
2445
2446   int file_flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2447   base::FilePath v8_natives_data_path =
2448       v8_data_path.AppendASCII(gin::IsolateHolder::kNativesFileName);
2449   base::FilePath v8_snapshot_data_path =
2450       v8_data_path.AppendASCII(gin::IsolateHolder::kSnapshotFileName);
2451   base::File v8_natives_data_file(v8_natives_data_path, file_flags);
2452   base::File v8_snapshot_data_file(v8_snapshot_data_path, file_flags);
2453   DCHECK(v8_natives_data_file.IsValid());
2454   DCHECK(v8_snapshot_data_file.IsValid());
2455   mappings->Transfer(kV8NativesDataDescriptor,
2456                      base::ScopedFD(v8_natives_data_file.TakePlatformFile()));
2457   mappings->Transfer(kV8SnapshotDataDescriptor,
2458                      base::ScopedFD(v8_snapshot_data_file.TakePlatformFile()));
2459 #endif  // V8_USE_EXTERNAL_STARTUP_DATA
2460
2461 #else
2462   int crash_signal_fd = GetCrashSignalFD(command_line);
2463   if (crash_signal_fd >= 0) {
2464     mappings->Share(kCrashDumpSignal, crash_signal_fd);
2465   }
2466 #endif  // defined(OS_ANDROID)
2467 }
2468 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
2469
2470 #if defined(OS_WIN)
2471 const wchar_t* ChromeContentBrowserClient::GetResourceDllName() {
2472   return chrome::kBrowserResourcesDll;
2473 }
2474
2475 void ChromeContentBrowserClient::PreSpawnRenderer(
2476     sandbox::TargetPolicy* policy,
2477     bool* success) {
2478   // This code is duplicated in nacl_exe_win_64.cc.
2479   // Allow the server side of a pipe restricted to the "chrome.nacl."
2480   // namespace so that it cannot impersonate other system or other chrome
2481   // service pipes.
2482   sandbox::ResultCode result = policy->AddRule(
2483       sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
2484       sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
2485       L"\\\\.\\pipe\\chrome.nacl.*");
2486   if (result != sandbox::SBOX_ALL_OK) {
2487     *success = false;
2488     return;
2489   }
2490
2491   // Renderers need to send named pipe handles and shared memory
2492   // segment handles to NaCl loader processes.
2493   result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
2494                            sandbox::TargetPolicy::HANDLES_DUP_ANY,
2495                            L"File");
2496   if (result != sandbox::SBOX_ALL_OK) {
2497     *success = false;
2498     return;
2499   }
2500 }
2501 #endif
2502
2503 bool ChromeContentBrowserClient::CheckMediaAccessPermission(
2504     content::BrowserContext* browser_context,
2505     const GURL& security_origin,
2506     content::MediaStreamType type) {
2507   return MediaCaptureDevicesDispatcher::GetInstance()
2508       ->CheckMediaAccessPermission(
2509           browser_context, security_origin, type);
2510 }
2511
2512 content::WebContents* ChromeContentBrowserClient::OpenURL(
2513     content::BrowserContext* browser_context,
2514     const content::OpenURLParams& params) {
2515   DCHECK_CURRENTLY_ON(BrowserThread::UI);
2516
2517 #if !defined(OS_ANDROID) && !defined(OS_IOS)
2518   NavigateParams nav_params(Profile::FromBrowserContext(browser_context),
2519                             params.url,
2520                             params.transition);
2521   FillNavigateParamsFromOpenURLParams(&nav_params, params);
2522   nav_params.user_gesture = params.user_gesture;
2523
2524   Navigate(&nav_params);
2525   return nav_params.target_contents;
2526 #else
2527   // TODO(mlamouri): write a chrome::Navigate() method for Android and iOS.
2528   // See https://crbug.com/448409.
2529   return nullptr;
2530 #endif // !defined(OS_ANDROID) && !defined(OS_IOS)
2531 }
2532
2533 content::DevToolsManagerDelegate*
2534 ChromeContentBrowserClient::GetDevToolsManagerDelegate() {
2535 #if defined(OS_ANDROID)
2536   return new DevToolsManagerDelegateAndroid();
2537 #else
2538   return new ChromeDevToolsManagerDelegate();
2539 #endif
2540 }
2541
2542 bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
2543     content::BrowserContext* browser_context,
2544     const GURL& url) {
2545 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2546   return ChromeContentBrowserClientPluginsPart::
2547       IsPluginAllowedToCallRequestOSFileHandle(browser_context, url,
2548                                                allowed_file_handle_origins_);
2549 #else
2550   return false;
2551 #endif
2552 }
2553
2554 bool ChromeContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs(
2555     content::BrowserContext* browser_context,
2556     const GURL& url) {
2557 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2558   return ChromeContentBrowserClientPluginsPart::
2559       IsPluginAllowedToUseDevChannelAPIs(browser_context, url,
2560                                          allowed_dev_channel_origins_);
2561 #else
2562   return false;
2563 #endif
2564 }
2565
2566 net::CookieStore*
2567 ChromeContentBrowserClient::OverrideCookieStoreForRenderProcess(
2568     int render_process_id) {
2569   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2570   if (!prerender_tracker_)
2571     return NULL;
2572   return prerender_tracker_->GetPrerenderCookieStoreForRenderProcess(
2573                                  render_process_id).get();
2574 }
2575
2576 void ChromeContentBrowserClient::OverridePageVisibilityState(
2577       RenderFrameHost* render_frame_host,
2578       blink::WebPageVisibilityState* visibility_state) {
2579   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
2580
2581   WebContents* web_contents =
2582       WebContents::FromRenderFrameHost(render_frame_host);
2583   DCHECK(web_contents);
2584
2585   Profile* profile =
2586       Profile::FromBrowserContext(web_contents->GetBrowserContext());
2587   prerender::PrerenderManager* prerender_manager =
2588       prerender::PrerenderManagerFactory::GetForProfile(profile);
2589   if (prerender_manager &&
2590       prerender_manager->IsWebContentsPrerendering(web_contents, nullptr)) {
2591     *visibility_state = blink::WebPageVisibilityStatePrerender;
2592   }
2593 }
2594
2595 #if defined(ENABLE_WEBRTC)
2596 void ChromeContentBrowserClient::MaybeCopyDisableWebRtcEncryptionSwitch(
2597     base::CommandLine* to_command_line,
2598     const base::CommandLine& from_command_line,
2599     VersionInfo::Channel channel) {
2600 #if defined(OS_ANDROID)
2601   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2602       VersionInfo::CHANNEL_BETA;
2603 #else
2604   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2605       VersionInfo::CHANNEL_DEV;
2606 #endif
2607   if (channel <= kMaxDisableEncryptionChannel) {
2608     static const char* const kWebRtcDevSwitchNames[] = {
2609       switches::kDisableWebRtcEncryption,
2610     };
2611     to_command_line->CopySwitchesFrom(from_command_line,
2612                                       kWebRtcDevSwitchNames,
2613                                       arraysize(kWebRtcDevSwitchNames));
2614   }
2615 }
2616 #endif  // defined(ENABLE_WEBRTC)
2617
2618 }  // namespace chrome