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 <map>
   8 #include <set>
   9 #include <utility>
  10 #include <vector>
  11
  12 #include "base/bind.h"
  13 #include "base/bind_helpers.h"
  14 #include "base/command_line.h"
  15 #include "base/files/scoped_file.h"
  16 #include "base/lazy_instance.h"
  17 #include "base/path_service.h"
  18 #include "base/prefs/pref_service.h"
  19 #include "base/prefs/scoped_user_pref_update.h"
  20 #include "base/strings/string_number_conversions.h"
  21 #include "base/strings/string_util.h"
  22 #include "base/strings/stringprintf.h"
  23 #include "base/strings/utf_string_conversions.h"
  24 #include "base/thread_task_runner_handle.h"
  25 #include "base/threading/sequenced_worker_pool.h"
  26 #include "chrome/browser/after_startup_task_utils.h"
  27 #include "chrome/browser/browser_about_handler.h"
  28 #include "chrome/browser/browser_process.h"
  29 #include "chrome/browser/browser_shutdown.h"
  30 #include "chrome/browser/browsing_data/browsing_data_helper.h"
  31 #include "chrome/browser/browsing_data/browsing_data_remover.h"
  32 #include "chrome/browser/character_encoding.h"
  33 #include "chrome/browser/chrome_content_browser_client_parts.h"
  34 #include "chrome/browser/chrome_net_benchmarking_message_filter.h"
  35 #include "chrome/browser/chrome_quota_permission_context.h"
  36 #include "chrome/browser/content_settings/cookie_settings_factory.h"
  37 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
  38 #include "chrome/browser/defaults.h"
  39 #include "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
  40 #include "chrome/browser/download/download_prefs.h"
  41 #include "chrome/browser/font_family_cache.h"
  42 #include "chrome/browser/geolocation/chrome_access_token_store.h"
  43 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
  44 #include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
  45 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
  46 #include "chrome/browser/net/chrome_net_log.h"
  47 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h"
  48 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings_factory.h"
  49 #include "chrome/browser/notifications/platform_notification_service_impl.h"
  50 #include "chrome/browser/platform_util.h"
  51 #include "chrome/browser/prerender/prerender_final_status.h"
  52 #include "chrome/browser/prerender/prerender_manager.h"
  53 #include "chrome/browser/prerender/prerender_manager_factory.h"
  54 #include "chrome/browser/prerender/prerender_message_filter.h"
  55 #include "chrome/browser/printing/printing_message_filter.h"
  56 #include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
  57 #include "chrome/browser/profiles/profile.h"
  58 #include "chrome/browser/profiles/profile_io_data.h"
  59 #include "chrome/browser/renderer_host/chrome_render_message_filter.h"
  60 #include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
  61 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
  62 #include "chrome/browser/safe_browsing/ui_manager.h"
  63 #include "chrome/browser/search/instant_service.h"
  64 #include "chrome/browser/search/instant_service_factory.h"
  65 #include "chrome/browser/search/search.h"
  66 #include "chrome/browser/search_engines/search_provider_install_state_message_filter.h"
  67 #include "chrome/browser/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_cert_reporter.h"
  73 #include "chrome/browser/ssl/ssl_client_certificate_selector.h"
  74 #include "chrome/browser/ssl/ssl_error_handler.h"
  75 #include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
  76 #include "chrome/browser/tab_contents/tab_util.h"
  77 #include "chrome/browser/tracing/chrome_tracing_delegate.h"
  78 #include "chrome/browser/ui/blocked_content/blocked_window_params.h"
  79 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
  80 #include "chrome/browser/ui/chrome_select_file_policy.h"
  81 #include "chrome/browser/ui/sync/sync_promo_ui.h"
  82 #include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
  83 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
  84 #include "chrome/common/channel_info.h"
  85 #include "chrome/common/chrome_constants.h"
  86 #include "chrome/common/chrome_paths.h"
  87 #include "chrome/common/chrome_switches.h"
  88 #include "chrome/common/env_vars.h"
  89 #include "chrome/common/logging_chrome.h"
  90 #include "chrome/common/pepper_permission_util.h"
  91 #include "chrome/common/pref_names.h"
  92 #include "chrome/common/render_messages.h"
  93 #include "chrome/common/url_constants.h"
  94 #include "chrome/grit/generated_resources.h"
  95 #include "chrome/installer/util/google_update_settings.h"
  96 #include "chromeos/chromeos_constants.h"
  97 #include "components/cdm/browser/cdm_message_filter_android.h"
  98 #include "components/cloud_devices/common/cloud_devices_switches.h"
  99 #include "components/content_settings/core/browser/content_settings_utils.h"
 100 #include "components/content_settings/core/browser/cookie_settings.h"
 101 #include "components/content_settings/core/browser/host_content_settings_map.h"
 102 #include "components/content_settings/core/common/content_settings.h"
 103 #include "components/data_reduction_proxy/content/browser/data_reduction_proxy_message_filter.h"
 104 #include "components/dom_distiller/core/url_constants.h"
 105 #include "components/google/core/browser/google_util.h"
 106 #include "components/metrics/client_info.h"
 107 #include "components/pref_registry/pref_registry_syncable.h"
 108 #include "components/rappor/rappor_utils.h"
 109 #include "components/signin/core/common/profile_management_switches.h"
 110 #include "components/translate/core/common/translate_switches.h"
 111 #include "components/url_formatter/url_fixer.h"
 112 #include "components/variations/variations_associated_data.h"
 113 #include "components/version_info/version_info.h"
 114 #include "content/public/browser/browser_child_process_host.h"
 115 #include "content/public/browser/browser_main_parts.h"
 116 #include "content/public/browser/browser_ppapi_host.h"
 117 #include "content/public/browser/browser_thread.h"
 118 #include "content/public/browser/browser_url_handler.h"
 119 #include "content/public/browser/child_process_data.h"
 120 #include "content/public/browser/child_process_security_policy.h"
 121 #include "content/public/browser/client_certificate_delegate.h"
 122 #include "content/public/browser/render_frame_host.h"
 123 #include "content/public/browser/render_process_host.h"
 124 #include "content/public/browser/render_view_host.h"
 125 #include "content/public/browser/resource_context.h"
 126 #include "content/public/browser/site_instance.h"
 127 #include "content/public/browser/web_contents.h"
 128 #include "content/public/common/child_process_host.h"
 129 #include "content/public/common/content_descriptors.h"
 130 #include "content/public/common/sandbox_type.h"
 131 #include "content/public/common/service_registry.h"
 132 #include "content/public/common/url_utils.h"
 133 #include "content/public/common/web_preferences.h"
 134 #include "device/devices_app/public/cpp/constants.h"
 135 #include "device/devices_app/public/cpp/devices_app_factory.h"
 136 #include "gin/v8_initializer.h"
 137 #include "mojo/application/public/cpp/application_delegate.h"
 138 #include "net/base/mime_util.h"
 139 #include "net/cookies/canonical_cookie.h"
 140 #include "net/cookies/cookie_options.h"
 141 #include "net/ssl/ssl_cert_request_info.h"
 142 #include "ppapi/host/ppapi_host.h"
 143 #include "storage/browser/fileapi/external_mount_points.h"
 144 #include "ui/base/l10n/l10n_util.h"
 145 #include "ui/base/resource/resource_bundle.h"
 146 #include "ui/resources/grit/ui_resources.h"
 147
 148 #if defined(OS_WIN)
 149 #include "base/win/windows_version.h"
 150 #include "chrome/browser/chrome_browser_main_win.h"
 151 #include "sandbox/win/src/sandbox_policy.h"
 152 #elif defined(OS_MACOSX)
 153 #include "chrome/browser/chrome_browser_main_mac.h"
 154 #elif defined(OS_CHROMEOS)
 155 #include "chrome/browser/chromeos/attestation/platform_verification_impl.h"
 156 #include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
 157 #include "chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.h"
 158 #include "chrome/browser/chromeos/file_manager/app_id.h"
 159 #include "chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.h"
 160 #include "chrome/browser/chromeos/fileapi/file_system_backend.h"
 161 #include "chrome/browser/chromeos/fileapi/mtp_file_system_backend_delegate.h"
 162 #include "chrome/browser/chromeos/login/startup_utils.h"
 163 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 164 #include "chrome/browser/chromeos/system/input_device_settings.h"
 165 #include "chromeos/chromeos_switches.h"
 166 #include "components/user_manager/user_manager.h"
 167 #elif defined(OS_LINUX)
 168 #include "chrome/browser/chrome_browser_main_linux.h"
 169 #elif defined(OS_ANDROID)
 170 #include "chrome/browser/android/new_tab_page_url_handler.h"
 171 #include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
 172 #include "chrome/browser/chrome_browser_main_android.h"
 173 #include "chrome/common/descriptors_android.h"
 174 #include "components/crash/browser/crash_dump_manager_android.h"
 175 #include "components/service_tab_launcher/browser/android/service_tab_launcher.h"
 176 #include "ui/base/resource/resource_bundle_android.h"
 177 #elif defined(OS_POSIX)
 178 #include "chrome/browser/chrome_browser_main_posix.h"
 179 #endif
 180
 181 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 182 #include "base/debug/leak_annotations.h"
 183 #include "components/crash/app/breakpad_linux.h"
 184 #include "components/crash/browser/crash_handler_host_linux.h"
 185 #endif
 186
 187 #if defined(OS_ANDROID)
 188 #include "ui/base/ui_base_paths.h"
 189 #include "ui/gfx/android/device_display_info.h"
 190 #endif
 191
 192 #if defined(TOOLKIT_VIEWS)
 193 #include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
 194 #endif
 195
 196 #if defined(USE_ASH)
 197 #include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
 198 #endif
 199
 200 #if defined(USE_AURA)
 201 #include "chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.h"
 202 #endif
 203
 204 #if defined(USE_X11)
 205 #include "chrome/browser/chrome_browser_main_extra_parts_x11.h"
 206 #endif
 207
 208 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
 209 #include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
 210 #endif
 211
 212 #if !defined(DISABLE_NACL)
 213 #include "components/nacl/browser/nacl_browser.h"
 214 #include "components/nacl/browser/nacl_host_message_filter.h"
 215 #include "components/nacl/browser/nacl_process_host.h"
 216 #include "components/nacl/common/nacl_process_type.h"
 217 #include "components/nacl/common/nacl_switches.h"
 218 #endif
 219
 220 #if defined(ENABLE_EXTENSIONS)
 221 #include "chrome/browser/accessibility/animation_policy_prefs.h"
 222 #include "chrome/browser/extensions/chrome_content_browser_client_extensions_part.h"
 223 #include "chrome/browser/media/cast_transport_host_filter.h"
 224 #include "chrome/browser/speech/extension_api/tts_engine_extension_api.h"
 225 #include "components/guest_view/browser/guest_view_base.h"
 226 #include "components/guest_view/browser/guest_view_manager.h"
 227 #include "extensions/browser/extension_registry.h"
 228 #include "extensions/browser/extension_util.h"
 229 #include "extensions/browser/guest_view/web_view/web_view_guest.h"
 230 #include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
 231 #include "extensions/browser/guest_view/web_view/web_view_renderer_state.h"
 232 #include "extensions/common/constants.h"
 233 #include "extensions/common/extension.h"
 234 #include "extensions/common/extension_set.h"
 235 #include "extensions/common/manifest_handlers/background_info.h"
 236 #include "extensions/common/manifest_handlers/shared_module_info.h"
 237 #include "extensions/common/permissions/permissions_data.h"
 238 #include "extensions/common/permissions/socket_permission.h"
 239 #include "extensions/common/switches.h"
 240 #endif
 241
 242 #if defined(ENABLE_PLUGINS)
 243 #include "chrome/browser/plugins/chrome_content_browser_client_plugins_part.h"
 244 #endif
 245
 246 #if defined(ENABLE_SPELLCHECK)
 247 #include "chrome/browser/spellchecker/spellcheck_message_filter.h"
 248 #endif
 249
 250 #if defined(USE_BROWSER_SPELLCHECKER)
 251 #include "chrome/browser/spellchecker/spellcheck_message_filter_platform.h"
 252 #endif
 253
 254 #if defined(ENABLE_WEBRTC)
 255 #include "chrome/browser/media/webrtc_logging_handler_host.h"
 256 #endif
 257
 258 #if defined(ENABLE_MEDIA_ROUTER)
 259 #include "chrome/browser/media/router/presentation_service_delegate_impl.h"
 260 #endif
 261
 262 using base::FileDescriptor;
 263 using blink::WebWindowFeatures;
 264 using content::AccessTokenStore;
 265 using content::BrowserThread;
 266 using content::BrowserURLHandler;
 267 using content::ChildProcessSecurityPolicy;
 268 using content::QuotaPermissionContext;
 269 using content::RenderFrameHost;
 270 using content::RenderViewHost;
 271 using content::ResourceType;
 272 using content::SiteInstance;
 273 using content::WebContents;
 274 using content::WebPreferences;
 275 using message_center::NotifierId;
 276
 277 #if defined(OS_POSIX)
 278 using content::FileDescriptorInfo;
 279 #endif
 280
 281 #if defined(ENABLE_EXTENSIONS)
 282 using extensions::APIPermission;
 283 using extensions::ChromeContentBrowserClientExtensionsPart;
 284 using extensions::Extension;
 285 using extensions::InfoMap;
 286 using extensions::Manifest;
 287 #endif
 288
 289 #if defined(ENABLE_PLUGINS)
 290 using plugins::ChromeContentBrowserClientPluginsPart;
 291 #endif
 292
 293 namespace {
 294
 295 // Cached version of the locale so we can return the locale on the I/O
 296 // thread.
 297 base::LazyInstance<std::string> g_io_thread_application_locale;
 298
 299 #if defined(ENABLE_PLUGINS)
 300 // TODO(teravest): Add renderer-side API-specific checking for these APIs so
 301 // that blanket permission isn't granted to all dev channel APIs for these.
 302 // http://crbug.com/386743
 303 const char* const kPredefinedAllowedDevChannelOrigins[] = {
 304   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/383937
 305   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/383937
 306 };
 307
 308 const char* const kPredefinedAllowedFileHandleOrigins[] = {
 309   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 310   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/234789
 311 };
 312
 313 const char* const kPredefinedAllowedSocketOrigins[] = {
 314   "okddffdblfhhnmhodogpojmfkjmhinfp",  // Test SSH Client
 315   "pnhechapfaindjhompbnflcldabbghjo",  // HTerm App (SSH Client)
 316   "bglhmjfplikpjnfoegeomebmfnkjomhe",  // see crbug.com/122126
 317   "gbchcmhmhahfdphkhkmpfmihenigjmpp",  // Chrome Remote Desktop
 318   "kgngmbheleoaphbjbaiobfdepmghbfah",  // Pre-release Chrome Remote Desktop
 319   "odkaodonbgfohohmklejpjiejmcipmib",  // Dogfood Chrome Remote Desktop
 320   "ojoimpklfciegopdfgeenehpalipignm",  // Chromoting canary
 321   "cbkkbcmdlboombapidmoeolnmdacpkch",  // see crbug.com/129089
 322   "hhnbmknkdabfoieppbbljkhkfjcmcbjh",  // see crbug.com/134099
 323   "mablfbjkhmhkmefkjjacnbaikjkipphg",  // see crbug.com/134099
 324   "pdeelgamlgannhelgoegilelnnojegoh",  // see crbug.com/134099
 325   "cabapfdbkniadpollkckdnedaanlciaj",  // see crbug.com/134099
 326   "mapljbgnjledlpdmlchihnmeclmefbba",  // see crbug.com/134099
 327   "ghbfeebgmiidnnmeobbbaiamklmpbpii",  // see crbug.com/134099
 328   "jdfhpkjeckflbbleddjlpimecpbjdeep",  // see crbug.com/142514
 329   "iabmpiboiopbgfabjmgeedhcmjenhbla",  // see crbug.com/165080
 330   "B7CF8A292249681AF81771650BA4CEEAF19A4560",  // see crbug.com/165080
 331   "7525AF4F66763A70A883C4700529F647B470E4D2",  // see crbug.com/238084
 332   "0B549507088E1564D672F7942EB87CA4DAD73972",  // see crbug.com/238084
 333   "864288364E239573E777D3E0E36864E590E95C74"   // see crbug.com/238084
 334 };
 335 #endif
 336
 337 // Returns a copy of the given url with its host set to given host and path set
 338 // to given path. Other parts of the url will be the same.
 339 GURL ReplaceURLHostAndPath(const GURL& url,
 340                            const std::string& host,
 341                            const std::string& path) {
 342   url::Replacements<char> replacements;
 343   replacements.SetHost(host.c_str(), url::Component(0, host.length()));
 344   replacements.SetPath(path.c_str(), url::Component(0, path.length()));
 345   return url.ReplaceComponents(replacements);
 346 }
 347
 348 // Maps "foo://bar/baz/" to "foo://chrome/bar/baz/".
 349 GURL AddUberHost(const GURL& url) {
 350   const std::string uber_host = chrome::kChromeUIUberHost;
 351   const std::string new_path = url.host() + url.path();
 352
 353   return ReplaceURLHostAndPath(url, uber_host, new_path);
 354 }
 355
 356 // If url->host() is "chrome" and url->path() has characters other than the
 357 // first slash, changes the url from "foo://chrome/bar/" to "foo://bar/" and
 358 // returns true. Otherwise returns false.
 359 bool RemoveUberHost(GURL* url) {
 360   if (url->host() != chrome::kChromeUIUberHost)
 361     return false;
 362
 363   if (url->path().empty() || url->path() == "/")
 364     return false;
 365
 366   const std::string old_path = url->path();
 367
 368   const std::string::size_type separator = old_path.find('/', 1);
 369   std::string new_host;
 370   std::string new_path;
 371   if (separator == std::string::npos) {
 372     new_host = old_path.substr(1);
 373   } else {
 374     new_host = old_path.substr(1, separator - 1);
 375     new_path = old_path.substr(separator);
 376   }
 377
 378   // Do not allow URLs with paths empty before the first slash since we can't
 379   // have an empty host. (e.g "foo://chrome//")
 380   if (new_host.empty())
 381     return false;
 382
 383   *url = ReplaceURLHostAndPath(*url, new_host, new_path);
 384
 385   DCHECK(url->is_valid());
 386
 387   return true;
 388 }
 389
 390 // Handles rewriting Web UI URLs.
 391 bool HandleWebUI(GURL* url, content::BrowserContext* browser_context) {
 392   // Do not handle special URLs such as "about:foo"
 393   if (!url->host().empty()) {
 394     const GURL chrome_url = AddUberHost(*url);
 395
 396     // Handle valid "chrome://chrome/foo" URLs so the reverse handler will
 397     // be called.
 398     if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 399             browser_context, chrome_url))
 400       return true;
 401   }
 402
 403   if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 404           browser_context, *url))
 405     return false;
 406
 407 #if defined(OS_CHROMEOS)
 408   // Special case : in ChromeOS in Guest mode bookmarks and history are
 409   // disabled for security reasons. New tab page explains the reasons, so
 410   // we redirect user to new tab page.
 411   if (user_manager::UserManager::Get()->IsLoggedInAsGuest()) {
 412     if (url->SchemeIs(content::kChromeUIScheme) &&
 413         (url->DomainIs(chrome::kChromeUIBookmarksHost) ||
 414          url->DomainIs(chrome::kChromeUIHistoryHost))) {
 415       // Rewrite with new tab URL
 416       *url = GURL(chrome::kChromeUINewTabURL);
 417     }
 418   }
 419 #endif
 420
 421   return true;
 422 }
 423
 424 // Reverse URL handler for Web UI. Maps "chrome://chrome/foo/" to
 425 // "chrome://foo/".
 426 bool HandleWebUIReverse(GURL* url, content::BrowserContext* browser_context) {
 427   if (!url->is_valid() || !url->SchemeIs(content::kChromeUIScheme))
 428     return false;
 429
 430   return RemoveUberHost(url);
 431 }
 432
 433 bool CertMatchesFilter(const net::X509Certificate& cert,
 434                        const base::DictionaryValue& filter) {
 435   // TODO(markusheintz): This is the minimal required filter implementation.
 436   // Implement a better matcher.
 437
 438   // An empty filter matches any client certificate since no requirements are
 439   // specified at all.
 440   if (filter.empty())
 441     return true;
 442
 443   std::string common_name;
 444   if (filter.GetString("ISSUER.CN", &common_name) &&
 445       (cert.issuer().common_name == common_name)) {
 446     return true;
 447   }
 448   return false;
 449 }
 450
 451 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 452 breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
 453     const std::string& process_type) {
 454   base::FilePath dumps_path;
 455   PathService::Get(chrome::DIR_CRASH_DUMPS, &dumps_path);
 456   {
 457     ANNOTATE_SCOPED_MEMORY_LEAK;
 458     bool upload = (getenv(env_vars::kHeadless) == NULL);
 459     breakpad::CrashHandlerHostLinux* crash_handler =
 460         new breakpad::CrashHandlerHostLinux(process_type, dumps_path, upload);
 461     crash_handler->StartUploaderThread();
 462     return crash_handler;
 463   }
 464 }
 465
 466 int GetCrashSignalFD(const base::CommandLine& command_line) {
 467   // Extensions have the same process type as renderers.
 468   if (command_line.HasSwitch(extensions::switches::kExtensionProcess)) {
 469     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 470     if (!crash_handler)
 471       crash_handler = CreateCrashHandlerHost("extension");
 472     return crash_handler->GetDeathSignalSocket();
 473   }
 474
 475   std::string process_type =
 476       command_line.GetSwitchValueASCII(switches::kProcessType);
 477
 478   if (process_type == switches::kRendererProcess) {
 479     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 480     if (!crash_handler)
 481       crash_handler = CreateCrashHandlerHost(process_type);
 482     return crash_handler->GetDeathSignalSocket();
 483   }
 484
 485   if (process_type == switches::kPluginProcess) {
 486     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 487     if (!crash_handler)
 488       crash_handler = CreateCrashHandlerHost(process_type);
 489     return crash_handler->GetDeathSignalSocket();
 490   }
 491
 492   if (process_type == switches::kPpapiPluginProcess) {
 493     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 494     if (!crash_handler)
 495       crash_handler = CreateCrashHandlerHost(process_type);
 496     return crash_handler->GetDeathSignalSocket();
 497   }
 498
 499   if (process_type == switches::kGpuProcess) {
 500     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 501     if (!crash_handler)
 502       crash_handler = CreateCrashHandlerHost(process_type);
 503     return crash_handler->GetDeathSignalSocket();
 504   }
 505
 506   return -1;
 507 }
 508 #endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 509
 510 void SetApplicationLocaleOnIOThread(const std::string& locale) {
 511   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 512   g_io_thread_application_locale.Get() = locale;
 513 }
 514
 515 void HandleBlockedPopupOnUIThread(const BlockedWindowParams& params) {
 516   RenderFrameHost* render_frame_host = RenderFrameHost::FromID(
 517       params.render_process_id(), params.opener_render_frame_id());
 518   if (!render_frame_host)
 519     return;
 520   WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
 521   // The tab might already have navigated away.  We only need to do this check
 522   // for main frames, since the RenderFrameHost for a subframe opener will have
 523   // already been deleted if the main frame navigates away.
 524   if (!tab ||
 525       (!render_frame_host->GetParent() &&
 526        tab->GetMainFrame() != render_frame_host))
 527     return;
 528
 529   prerender::PrerenderContents* prerender_contents =
 530       prerender::PrerenderContents::FromWebContents(tab);
 531   if (prerender_contents) {
 532     prerender_contents->Destroy(prerender::FINAL_STATUS_CREATE_NEW_WINDOW);
 533     return;
 534   }
 535
 536   PopupBlockerTabHelper* popup_helper =
 537       PopupBlockerTabHelper::FromWebContents(tab);
 538   if (!popup_helper)
 539     return;
 540   popup_helper->AddBlockedPopup(params);
 541 }
 542
 543 // An implementation of the SSLCertReporter interface used by
 544 // SSLErrorHandler. Uses the SafeBrowsing UI manager to send invalid
 545 // certificate reports.
 546 class SafeBrowsingSSLCertReporter : public SSLCertReporter {
 547  public:
 548   explicit SafeBrowsingSSLCertReporter(
 549       const scoped_refptr<SafeBrowsingUIManager>& safe_browsing_ui_manager)
 550       : safe_browsing_ui_manager_(safe_browsing_ui_manager) {}
 551   ~SafeBrowsingSSLCertReporter() override {}
 552
 553   // SSLCertReporter implementation
 554   void ReportInvalidCertificateChain(
 555       const std::string& serialized_report) override {
 556     if (safe_browsing_ui_manager_) {
 557       safe_browsing_ui_manager_->ReportInvalidCertificateChain(
 558           serialized_report, base::Bind(&base::DoNothing));
 559     }
 560   }
 561
 562  private:
 563   const scoped_refptr<SafeBrowsingUIManager> safe_browsing_ui_manager_;
 564 };
 565
 566 #if defined(OS_ANDROID)
 567
 568 void HandleSingleTabModeBlockOnUIThread(const BlockedWindowParams& params) {
 569   WebContents* web_contents = tab_util::GetWebContentsByFrameID(
 570       params.render_process_id(), params.opener_render_frame_id());
 571   if (!web_contents)
 572     return;
 573
 574   SingleTabModeTabHelper::FromWebContents(web_contents)->HandleOpenUrl(params);
 575 }
 576
 577 float GetDeviceScaleAdjustment() {
 578   static const float kMinFSM = 1.05f;
 579   static const int kWidthForMinFSM = 320;
 580   static const float kMaxFSM = 1.3f;
 581   static const int kWidthForMaxFSM = 800;
 582
 583   gfx::DeviceDisplayInfo info;
 584   int minWidth = info.GetSmallestDIPWidth();
 585
 586   if (minWidth <= kWidthForMinFSM)
 587     return kMinFSM;
 588   if (minWidth >= kWidthForMaxFSM)
 589     return kMaxFSM;
 590
 591   // The font scale multiplier varies linearly between kMinFSM and kMaxFSM.
 592   float ratio = static_cast<float>(minWidth - kWidthForMinFSM) /
 593       (kWidthForMaxFSM - kWidthForMinFSM);
 594   return ratio * (kMaxFSM - kMinFSM) + kMinFSM;
 595 }
 596
 597 #endif  // defined(OS_ANDROID)
 598
 599 #if defined(ENABLE_EXTENSIONS)
 600 // By default, JavaScript and images are enabled in guest content.
 601 void GetGuestViewDefaultContentSettingRules(
 602     bool incognito,
 603     RendererContentSettingRules* rules) {
 604   rules->image_rules.push_back(
 605       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 606                                   ContentSettingsPattern::Wildcard(),
 607                                   CONTENT_SETTING_ALLOW,
 608                                   std::string(),
 609                                   incognito));
 610
 611   rules->script_rules.push_back(
 612       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 613                                   ContentSettingsPattern::Wildcard(),
 614                                   CONTENT_SETTING_ALLOW,
 615                                   std::string(),
 616                                   incognito));
 617 }
 618 #endif  // defined(ENABLE_EXTENSIONS)
 619
 620 }  // namespace
 621
 622 namespace chrome {
 623
 624 ChromeContentBrowserClient::ChromeContentBrowserClient()
 625     :
 626       weak_factory_(this) {
 627 #if defined(ENABLE_PLUGINS)
 628   for (size_t i = 0; i < arraysize(kPredefinedAllowedDevChannelOrigins); ++i)
 629     allowed_dev_channel_origins_.insert(kPredefinedAllowedDevChannelOrigins[i]);
 630   for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
 631     allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
 632   for (size_t i = 0; i < arraysize(kPredefinedAllowedSocketOrigins); ++i)
 633     allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
 634
 635   extra_parts_.push_back(new ChromeContentBrowserClientPluginsPart);
 636 #endif
 637
 638 #if !defined(OS_ANDROID)
 639   TtsExtensionEngine* tts_extension_engine = TtsExtensionEngine::GetInstance();
 640   TtsController::GetInstance()->SetTtsEngineDelegate(tts_extension_engine);
 641 #endif
 642
 643 #if defined(ENABLE_EXTENSIONS)
 644   extra_parts_.push_back(new ChromeContentBrowserClientExtensionsPart);
 645 #endif
 646 }
 647
 648 ChromeContentBrowserClient::~ChromeContentBrowserClient() {
 649   for (int i = static_cast<int>(extra_parts_.size()) - 1; i >= 0; --i)
 650     delete extra_parts_[i];
 651   extra_parts_.clear();
 652 }
 653
 654 // static
 655 void ChromeContentBrowserClient::RegisterProfilePrefs(
 656     user_prefs::PrefRegistrySyncable* registry) {
 657   registry->RegisterBooleanPref(prefs::kDisable3DAPIs, false);
 658   registry->RegisterBooleanPref(prefs::kEnableHyperlinkAuditing, true);
 659   registry->RegisterListPref(prefs::kEnableDeprecatedWebPlatformFeatures);
 660 }
 661
 662 // static
 663 void ChromeContentBrowserClient::SetApplicationLocale(
 664     const std::string& locale) {
 665   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 666
 667   // This object is guaranteed to outlive all threads so we don't have to
 668   // worry about the lack of refcounting and can just post as Unretained.
 669   //
 670   // The common case is that this function is called early in Chrome startup
 671   // before any threads are created (it will also be called later if the user
 672   // changes the pref). In this case, there will be no threads created and
 673   // posting will fail. When there are no threads, we can just set the string
 674   // without worrying about threadsafety.
 675   if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
 676           base::Bind(&SetApplicationLocaleOnIOThread, locale))) {
 677     g_io_thread_application_locale.Get() = locale;
 678   }
 679 }
 680
 681 content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
 682     const content::MainFunctionParams& parameters) {
 683   ChromeBrowserMainParts* main_parts;
 684   // Construct the Main browser parts based on the OS type.
 685 #if defined(OS_WIN)
 686   main_parts = new ChromeBrowserMainPartsWin(parameters);
 687 #elif defined(OS_MACOSX)
 688   main_parts = new ChromeBrowserMainPartsMac(parameters);
 689 #elif defined(OS_CHROMEOS)
 690   main_parts = new chromeos::ChromeBrowserMainPartsChromeos(parameters);
 691 #elif defined(OS_LINUX)
 692   main_parts = new ChromeBrowserMainPartsLinux(parameters);
 693 #elif defined(OS_ANDROID)
 694   main_parts = new ChromeBrowserMainPartsAndroid(parameters);
 695 #elif defined(OS_POSIX)
 696   main_parts = new ChromeBrowserMainPartsPosix(parameters);
 697 #else
 698   NOTREACHED();
 699   main_parts = new ChromeBrowserMainParts(parameters);
 700 #endif
 701
 702   chrome::AddProfilesExtraParts(main_parts);
 703
 704   // Construct additional browser parts. Stages are called in the order in
 705   // which they are added.
 706 #if defined(TOOLKIT_VIEWS)
 707   main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
 708 #endif
 709
 710 // TODO(oshima): Athena on chrome currently requires USE_ASH to build.
 711 // We should reduce the dependency as much as possible.
 712 #if defined(USE_ASH)
 713   main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
 714 #endif
 715
 716 #if defined(USE_AURA)
 717   main_parts->AddParts(new ChromeBrowserMainExtraPartsAura());
 718 #endif
 719
 720 #if defined(USE_X11)
 721   main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
 722 #endif
 723
 724   chrome::AddMetricsExtraParts(main_parts);
 725
 726   return main_parts;
 727 }
 728
 729 void ChromeContentBrowserClient::PostAfterStartupTask(
 730     const tracked_objects::Location& from_here,
 731     const scoped_refptr<base::TaskRunner>& task_runner,
 732     const base::Closure& task) {
 733   AfterStartupTaskUtils::PostTask(from_here, task_runner, task);
 734 }
 735
 736 std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
 737     content::BrowserContext* browser_context,
 738     const GURL& site) {
 739   std::string partition_id;
 740
 741   // The partition ID for webview guest processes is the string value of its
 742   // SiteInstance URL - "chrome-guest://app_id/persist?partition".
 743   if (site.SchemeIs(content::kGuestScheme)) {
 744     partition_id = site.spec();
 745   } else if (!switches::IsEnableWebviewBasedSignin() &&
 746              site.GetOrigin().spec() == kChromeUIChromeSigninURL) {
 747     // The non-webview Chrome signin page has an embedded iframe of extension
 748     // and web content, thus it must be isolated from other webUI pages.
 749     partition_id = site.GetOrigin().spec();
 750   }
 751
 752   DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
 753   return partition_id;
 754 }
 755
 756 bool ChromeContentBrowserClient::IsValidStoragePartitionId(
 757     content::BrowserContext* browser_context,
 758     const std::string& partition_id) {
 759   // The default ID is empty and is always valid.
 760   if (partition_id.empty())
 761     return true;
 762
 763   return GURL(partition_id).is_valid();
 764 }
 765
 766 void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
 767     content::BrowserContext* browser_context,
 768     const GURL& site,
 769     bool can_be_default,
 770     std::string* partition_domain,
 771     std::string* partition_name,
 772     bool* in_memory) {
 773   // Default to the browser-wide storage partition and override based on |site|
 774   // below.
 775   partition_domain->clear();
 776   partition_name->clear();
 777   *in_memory = false;
 778
 779   bool success = false;
 780 #if defined(ENABLE_EXTENSIONS)
 781   success = extensions::WebViewGuest::GetGuestPartitionConfigForSite(
 782       site, partition_domain, partition_name, in_memory);
 783
 784   if (!success && site.SchemeIs(extensions::kExtensionScheme)) {
 785     // If |can_be_default| is false, the caller is stating that the |site|
 786     // should be parsed as if it had isolated storage. In particular it is
 787     // important to NOT check ExtensionService for the is_storage_isolated()
 788     // attribute because this code path is run during Extension uninstall
 789     // to do cleanup after the Extension has already been unloaded from the
 790     // ExtensionService.
 791     bool is_isolated = !can_be_default;
 792     if (can_be_default) {
 793       if (extensions::util::SiteHasIsolatedStorage(site, browser_context))
 794         is_isolated = true;
 795     }
 796
 797     if (is_isolated) {
 798       CHECK(site.has_host());
 799       // For extensions with isolated storage, the the host of the |site| is
 800       // the |partition_domain|. The |in_memory| and |partition_name| are only
 801       // used in guest schemes so they are cleared here.
 802       *partition_domain = site.host();
 803       *in_memory = false;
 804       partition_name->clear();
 805     }
 806     success = true;
 807   }
 808 #endif
 809
 810   if (!success && (!switches::IsEnableWebviewBasedSignin() &&
 811                    site.GetOrigin().spec() == kChromeUIChromeSigninURL)) {
 812     // The non-webview Chrome signin page has an embedded iframe of extension
 813     // and web content, thus it must be isolated from other webUI pages.
 814     *partition_domain = chrome::kChromeUIChromeSigninHost;
 815   }
 816
 817   // Assert that if |can_be_default| is false, the code above must have found a
 818   // non-default partition.  If this fails, the caller has a serious logic
 819   // error about which StoragePartition they expect to be in and it is not
 820   // safe to continue.
 821   CHECK(can_be_default || !partition_domain->empty());
 822 }
 823
 824 content::WebContentsViewDelegate*
 825     ChromeContentBrowserClient::GetWebContentsViewDelegate(
 826         content::WebContents* web_contents) {
 827   return chrome::CreateWebContentsViewDelegate(web_contents);
 828 }
 829
 830 void ChromeContentBrowserClient::RenderProcessWillLaunch(
 831     content::RenderProcessHost* host) {
 832   int id = host->GetID();
 833   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
 834   net::URLRequestContextGetter* context =
 835       profile->GetRequestContextForRenderProcess(id);
 836
 837   host->AddFilter(new ChromeRenderMessageFilter(id, profile));
 838 #if defined(ENABLE_EXTENSIONS)
 839   host->AddFilter(new cast::CastTransportHostFilter);
 840 #endif
 841 #if defined(ENABLE_PRINTING)
 842   host->AddFilter(new printing::PrintingMessageFilter(id, profile));
 843 #endif
 844   host->AddFilter(new SearchProviderInstallStateMessageFilter(id, profile));
 845 #if defined(ENABLE_SPELLCHECK)
 846   host->AddFilter(new SpellCheckMessageFilter(id));
 847 #endif
 848 #if defined(USE_BROWSER_SPELLCHECKER)
 849   host->AddFilter(new SpellCheckMessageFilterPlatform(id));
 850 #endif
 851   host->AddFilter(new ChromeNetBenchmarkingMessageFilter(profile, context));
 852   host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
 853   host->AddFilter(new TtsMessageFilter(host->GetBrowserContext()));
 854 #if defined(ENABLE_WEBRTC)
 855   WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
 856       new WebRtcLoggingHandlerHost(profile);
 857   host->SetWebRtcLogMessageCallback(base::Bind(
 858       &WebRtcLoggingHandlerHost::LogMessage, webrtc_logging_handler_host));
 859   host->AddFilter(webrtc_logging_handler_host);
 860   host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
 861       webrtc_logging_handler_host));
 862 #endif
 863 #if !defined(DISABLE_NACL)
 864   host->AddFilter(new nacl::NaClHostMessageFilter(
 865       id, profile->IsOffTheRecord(),
 866       profile->GetPath(),
 867       context));
 868 #endif
 869 #if defined(OS_ANDROID)
 870   host->AddFilter(new cdm::CdmMessageFilterAndroid());
 871 #endif
 872   DataReductionProxyChromeSettings* data_reduction_proxy_settings =
 873       DataReductionProxyChromeSettingsFactory::GetForBrowserContext(profile);
 874   host->AddFilter(new data_reduction_proxy::DataReductionProxyMessageFilter(
 875       data_reduction_proxy_settings));
 876
 877   host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
 878       profile->IsOffTheRecord()));
 879
 880   for (size_t i = 0; i < extra_parts_.size(); ++i)
 881     extra_parts_[i]->RenderProcessWillLaunch(host);
 882
 883   RendererContentSettingRules rules;
 884   if (host->IsForGuestsOnly()) {
 885 #if defined(ENABLE_EXTENSIONS)
 886     GetGuestViewDefaultContentSettingRules(profile->IsOffTheRecord(), &rules);
 887 #else
 888     NOTREACHED();
 889 #endif
 890   } else {
 891     GetRendererContentSettingRules(
 892         profile->GetHostContentSettingsMap(), &rules);
 893   }
 894   host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
 895 }
 896
 897 GURL ChromeContentBrowserClient::GetEffectiveURL(
 898     content::BrowserContext* browser_context, const GURL& url) {
 899   Profile* profile = Profile::FromBrowserContext(browser_context);
 900   if (!profile)
 901     return url;
 902
 903   // If the input |url| should be assigned to the Instant renderer, make its
 904   // effective URL distinct from other URLs on the search provider's domain.
 905   if (search::ShouldAssignURLToInstantRenderer(url, profile))
 906     return search::GetEffectiveURLForInstant(url, profile);
 907
 908 #if defined(ENABLE_EXTENSIONS)
 909   return ChromeContentBrowserClientExtensionsPart::GetEffectiveURL(
 910       profile, url);
 911 #else
 912   return url;
 913 #endif
 914 }
 915
 916 bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
 917     content::BrowserContext* browser_context, const GURL& effective_url) {
 918   // Non-extension, non-Instant URLs should generally use
 919   // process-per-site-instance.  Because we expect to use the effective URL,
 920   // URLs for hosted apps (apart from bookmark apps) should have an extension
 921   // scheme by now.
 922
 923   Profile* profile = Profile::FromBrowserContext(browser_context);
 924   if (!profile)
 925     return false;
 926
 927   if (search::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
 928     return true;
 929
 930 #if defined(ENABLE_EXTENSIONS)
 931   return ChromeContentBrowserClientExtensionsPart::ShouldUseProcessPerSite(
 932       profile, effective_url);
 933 #else
 934   return false;
 935 #endif
 936 }
 937
 938 // These are treated as WebUI schemes but do not get WebUI bindings. Also,
 939 // view-source is allowed for these schemes.
 940 void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
 941     std::vector<std::string>* additional_schemes) {
 942   additional_schemes->push_back(chrome::kChromeSearchScheme);
 943   additional_schemes->push_back(dom_distiller::kDomDistillerScheme);
 944 }
 945
 946 void ChromeContentBrowserClient::GetAdditionalWebUIHostsToIgnoreParititionCheck(
 947     std::vector<std::string>* hosts) {
 948   hosts->push_back(chrome::kChromeUIExtensionIconHost);
 949   hosts->push_back(chrome::kChromeUIFaviconHost);
 950   hosts->push_back(chrome::kChromeUIThemeHost);
 951   hosts->push_back(chrome::kChromeUIThumbnailHost);
 952   hosts->push_back(chrome::kChromeUIThumbnailHost2);
 953   hosts->push_back(chrome::kChromeUIThumbnailListHost);
 954 }
 955
 956 net::URLRequestContextGetter*
 957 ChromeContentBrowserClient::CreateRequestContext(
 958     content::BrowserContext* browser_context,
 959     content::ProtocolHandlerMap* protocol_handlers,
 960     content::URLRequestInterceptorScopedVector request_interceptors) {
 961   Profile* profile = Profile::FromBrowserContext(browser_context);
 962   return profile->CreateRequestContext(protocol_handlers,
 963                                        request_interceptors.Pass());
 964 }
 965
 966 net::URLRequestContextGetter*
 967 ChromeContentBrowserClient::CreateRequestContextForStoragePartition(
 968     content::BrowserContext* browser_context,
 969     const base::FilePath& partition_path,
 970     bool in_memory,
 971     content::ProtocolHandlerMap* protocol_handlers,
 972     content::URLRequestInterceptorScopedVector request_interceptors) {
 973   Profile* profile = Profile::FromBrowserContext(browser_context);
 974   return profile->CreateRequestContextForStoragePartition(
 975       partition_path,
 976       in_memory,
 977       protocol_handlers,
 978       request_interceptors.Pass());
 979 }
 980
 981 bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
 982   return ProfileIOData::IsHandledURL(url);
 983 }
 984
 985 bool ChromeContentBrowserClient::CanCommitURL(
 986     content::RenderProcessHost* process_host,
 987     const GURL& url) {
 988 #if defined(ENABLE_EXTENSIONS)
 989   return ChromeContentBrowserClientExtensionsPart::CanCommitURL(
 990       process_host, url);
 991 #else
 992   return true;
 993 #endif
 994 }
 995
 996 bool ChromeContentBrowserClient::IsIllegalOrigin(
 997     content::ResourceContext* resource_context,
 998     int child_process_id,
 999     const GURL& origin) {
1000 #if defined(ENABLE_EXTENSIONS)
1001   return ChromeContentBrowserClientExtensionsPart::IsIllegalOrigin(
1002       resource_context, child_process_id, origin);
1003 #else
1004   return false;
1005 #endif
1006 }
1007
1008 bool ChromeContentBrowserClient::ShouldAllowOpenURL(
1009     content::SiteInstance* site_instance, const GURL& url) {
1010   GURL from_url = site_instance->GetSiteURL();
1011
1012 #if defined(ENABLE_EXTENSIONS)
1013   bool result;
1014   if (ChromeContentBrowserClientExtensionsPart::ShouldAllowOpenURL(
1015       site_instance, from_url, url, &result))
1016     return result;
1017 #endif
1018
1019   // Do not allow chrome://chrome-signin navigate to other chrome:// URLs, since
1020   // the signin page may host untrusted web content.
1021   if (from_url.GetOrigin().spec() == chrome::kChromeUIChromeSigninURL &&
1022       url.SchemeIs(content::kChromeUIScheme) &&
1023       url.host() != chrome::kChromeUIChromeSigninHost) {
1024     VLOG(1) << "Blocked navigation to " << url.spec() << " from "
1025             << chrome::kChromeUIChromeSigninURL;
1026     return false;
1027   }
1028
1029   return true;
1030 }
1031
1032 bool ChromeContentBrowserClient::IsSuitableHost(
1033     content::RenderProcessHost* process_host,
1034     const GURL& site_url) {
1035   Profile* profile =
1036       Profile::FromBrowserContext(process_host->GetBrowserContext());
1037   // This may be NULL during tests. In that case, just assume any site can
1038   // share any host.
1039   if (!profile)
1040     return true;
1041
1042   // Instant URLs should only be in the instant process and instant process
1043   // should only have Instant URLs.
1044   InstantService* instant_service =
1045       InstantServiceFactory::GetForProfile(profile);
1046   if (instant_service) {
1047     bool is_instant_process = instant_service->IsInstantProcess(
1048         process_host->GetID());
1049     bool should_be_in_instant_process =
1050         search::ShouldAssignURLToInstantRenderer(site_url, profile);
1051     if (is_instant_process || should_be_in_instant_process)
1052       return is_instant_process && should_be_in_instant_process;
1053   }
1054
1055 #if defined(ENABLE_EXTENSIONS)
1056   return ChromeContentBrowserClientExtensionsPart::IsSuitableHost(
1057       profile, process_host, site_url);
1058 #else
1059   return true;
1060 #endif
1061 }
1062
1063 bool ChromeContentBrowserClient::MayReuseHost(
1064     content::RenderProcessHost* process_host) {
1065   // If there is currently a prerender in progress for the host provided,
1066   // it may not be shared. We require prerenders to be by themselves in a
1067   // separate process so that we can monitor their resource usage.
1068   Profile* profile = Profile::FromBrowserContext(
1069       process_host->GetBrowserContext());
1070   prerender::PrerenderManager* prerender_manager =
1071       prerender::PrerenderManagerFactory::GetForProfile(profile);
1072   if (prerender_manager &&
1073       !prerender_manager->MayReuseProcessHost(process_host)) {
1074     return false;
1075   }
1076
1077   return true;
1078 }
1079
1080 bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
1081     content::BrowserContext* browser_context, const GURL& url) {
1082   // It has to be a valid URL for us to check for an extension.
1083   if (!url.is_valid())
1084     return false;
1085
1086 #if defined(ENABLE_EXTENSIONS)
1087   Profile* profile = Profile::FromBrowserContext(browser_context);
1088   return ChromeContentBrowserClientExtensionsPart::
1089       ShouldTryToUseExistingProcessHost(
1090           profile, url);
1091 #else
1092   return false;
1093 #endif
1094 }
1095
1096 void ChromeContentBrowserClient::SiteInstanceGotProcess(
1097     SiteInstance* site_instance) {
1098   CHECK(site_instance->HasProcess());
1099
1100   Profile* profile = Profile::FromBrowserContext(
1101       site_instance->GetBrowserContext());
1102   if (!profile)
1103     return;
1104
1105   // Remember the ID of the Instant process to signal the renderer process
1106   // on startup in |AppendExtraCommandLineSwitches| below.
1107   if (search::ShouldAssignURLToInstantRenderer(site_instance->GetSiteURL(),
1108                                                profile)) {
1109     InstantService* instant_service =
1110         InstantServiceFactory::GetForProfile(profile);
1111     if (instant_service)
1112       instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
1113   }
1114
1115   for (size_t i = 0; i < extra_parts_.size(); ++i)
1116     extra_parts_[i]->SiteInstanceGotProcess(site_instance);
1117 }
1118
1119 void ChromeContentBrowserClient::SiteInstanceDeleting(
1120     SiteInstance* site_instance) {
1121   if (!site_instance->HasProcess())
1122     return;
1123
1124   for (size_t i = 0; i < extra_parts_.size(); ++i)
1125     extra_parts_[i]->SiteInstanceDeleting(site_instance);
1126 }
1127
1128 bool ChromeContentBrowserClient::ShouldSwapBrowsingInstancesForNavigation(
1129     SiteInstance* site_instance,
1130     const GURL& current_url,
1131     const GURL& new_url) {
1132 #if defined(ENABLE_EXTENSIONS)
1133   return ChromeContentBrowserClientExtensionsPart::
1134       ShouldSwapBrowsingInstancesForNavigation(
1135           site_instance, current_url, new_url);
1136 #else
1137   return false;
1138 #endif
1139 }
1140
1141 bool ChromeContentBrowserClient::ShouldSwapProcessesForRedirect(
1142     content::ResourceContext* resource_context, const GURL& current_url,
1143     const GURL& new_url) {
1144 #if defined(ENABLE_EXTENSIONS)
1145   return ChromeContentBrowserClientExtensionsPart::
1146       ShouldSwapProcessesForRedirect(resource_context, current_url, new_url);
1147 #else
1148   return false;
1149 #endif
1150 }
1151
1152 bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
1153   return !url.SchemeIs(chrome::kChromeNativeScheme);
1154 }
1155
1156 std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
1157     const std::string& alias_name) {
1158   return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
1159 }
1160
1161 namespace {
1162
1163 bool IsAutoReloadEnabled() {
1164   // Fetch the field trial, even though we don't use it. Calling FindFullName()
1165   // causes the field-trial mechanism to report which group we're in, which
1166   // might reflect a hard disable or hard enable via flag, both of which have
1167   // their own field trial groups. This lets us know what percentage of users
1168   // manually enable or disable auto-reload.
1169   std::string group = base::FieldTrialList::FindFullName(
1170       "AutoReloadExperiment");
1171   const base::CommandLine& browser_command_line =
1172       *base::CommandLine::ForCurrentProcess();
1173   if (browser_command_line.HasSwitch(switches::kEnableOfflineAutoReload))
1174     return true;
1175   if (browser_command_line.HasSwitch(switches::kDisableOfflineAutoReload))
1176     return false;
1177   return true;
1178 }
1179
1180 bool IsAutoReloadVisibleOnlyEnabled() {
1181   // See the block comment in IsAutoReloadEnabled().
1182   std::string group = base::FieldTrialList::FindFullName(
1183       "AutoReloadVisibleOnlyExperiment");
1184   const base::CommandLine& browser_command_line =
1185       *base::CommandLine::ForCurrentProcess();
1186   if (browser_command_line.HasSwitch(
1187       switches::kEnableOfflineAutoReloadVisibleOnly)) {
1188     return true;
1189   }
1190   if (browser_command_line.HasSwitch(
1191       switches::kDisableOfflineAutoReloadVisibleOnly)) {
1192     return false;
1193   }
1194   return true;
1195 }
1196
1197 void MaybeAppendBlinkSettingsSwitchForFieldTrial(
1198     const base::CommandLine& browser_command_line,
1199     base::CommandLine* command_line) {
1200   // List of field trials that modify the blink-settings command line flag. No
1201   // two field trials in the list should specify the same keys, otherwise one
1202   // field trial may overwrite another. See Source/core/frame/Settings.in in
1203   // Blink for the list of valid keys.
1204   static const char* const kBlinkSettingsFieldTrials[] = {
1205     // Keys: backgroundHtmlParserOutstandingTokenLimit
1206     //       backgroundHtmlParserPendingTokenLimit
1207     "BackgroundHtmlParserTokenLimits",
1208
1209     // Keys: doHtmlPreloadScanning
1210     "HtmlPreloadScanning",
1211
1212     // Keys: lowPriorityIframes
1213     "LowPriorityIFrames",
1214   };
1215
1216   std::vector<std::string> blink_settings;
1217   for (const char* field_trial_name : kBlinkSettingsFieldTrials) {
1218     // Each blink-settings field trial should include a forcing_flag group,
1219     // to make sure that clients that specify the blink-settings flag on the
1220     // command line are excluded from the experiment groups. To make
1221     // sure we assign clients that specify this flag to the forcing_flag
1222     // group, we must call GetVariationParams for each field trial first
1223     // (for example, before checking HasSwitch() and returning), since
1224     // GetVariationParams has the side-effect of assigning the client to
1225     // a field trial group.
1226     std::map<std::string, std::string> params;
1227     if (variations::GetVariationParams(field_trial_name, &params)) {
1228       for (const auto& param : params) {
1229         blink_settings.push_back(base::StringPrintf(
1230             "%s=%s", param.first.c_str(), param.second.c_str()));
1231       }
1232     }
1233   }
1234
1235   // Flags for the ResourcePriorities field trial. The settings are
1236   // encoded in the field trial group name instead of as variations
1237   // because the variations code is not accessible from the loader.
1238   //
1239   // The group name encoding looks like this:
1240   //  <descriptiveName>_ABCDE_E2_F_G
1241   //    A - fetchDeferLateScripts (1 for true, 0 for false)
1242   //    B - fetchIncreaseFontPriority (1 for true, 0 for false)
1243   //    C - fetchIncreaseAsyncScriptPriority (1 for true, 0 for false)
1244   //    D - fetchIncreasePriorities (1 for true, 0 for false)
1245   //    E - fetchEnableLayoutBlockingThreshold (1 for true, 0 for false)
1246   //    E2 - fetchLayoutBlockingThreshold (Numeric)
1247   //    F - fetchMaxNumDelayableWhileLayoutBlocking (Numeric)
1248   //    G - fetchMaxNumDelayableRequests (Numeric)
1249   //
1250   // Only A-D are relevant to blink and exposed as settings
1251   // Any group names (Control, Default, etc) will not match the pattern or
1252   // flags and will get the default settings which is the expected behavior.
1253   std::string resource_priorities_trial_group =
1254       base::FieldTrialList::FindFullName("ResourcePriorities");
1255   std::vector<std::string> split_group(
1256       base::SplitString(resource_priorities_trial_group, "_",
1257                         base::KEEP_WHITESPACE, base::SPLIT_WANT_ALL));
1258   if (split_group.size() == 5 && split_group[1].length() == 5) {
1259     if (split_group[1].at(0) == '1')
1260       blink_settings.push_back("fetchDeferLateScripts=true");
1261     if (split_group[1].at(1) == '1')
1262       blink_settings.push_back("fetchIncreaseFontPriority=true");
1263     if (split_group[1].at(2) == '1')
1264       blink_settings.push_back("fetchIncreaseAsyncScriptPriority=true");
1265     if (split_group[1].at(3) == '1')
1266       blink_settings.push_back("fetchIncreasePriorities=true");
1267   }
1268
1269   if (blink_settings.empty()) {
1270     return;
1271   }
1272
1273   if (browser_command_line.HasSwitch(switches::kBlinkSettings) ||
1274       command_line->HasSwitch(switches::kBlinkSettings)) {
1275     // The field trials should be configured to force users that specify the
1276     // blink-settings flag into a group with no params, and we return
1277     // above if no params were specified, so it's an error if we reach
1278     // this point.
1279     LOG(WARNING) << "Received field trial params, "
1280                     "but blink-settings switch already specified.";
1281     return;
1282   }
1283
1284   command_line->AppendSwitchASCII(switches::kBlinkSettings,
1285                                   base::JoinString(blink_settings, ","));
1286 }
1287
1288 }  // namespace
1289
1290 void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
1291     base::CommandLine* command_line,
1292     int child_process_id) {
1293 #if defined(OS_MACOSX)
1294   scoped_ptr<metrics::ClientInfo> client_info =
1295       GoogleUpdateSettings::LoadMetricsClientInfo();
1296   if (client_info) {
1297     command_line->AppendSwitchASCII(switches::kMetricsClientID,
1298                                     client_info->client_id);
1299   }
1300 #elif defined(OS_POSIX)
1301   if (breakpad::IsCrashReporterEnabled()) {
1302     scoped_ptr<metrics::ClientInfo> client_info =
1303         GoogleUpdateSettings::LoadMetricsClientInfo();
1304     command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1305                                     client_info ? client_info->client_id
1306                                                 : std::string());
1307   }
1308 #endif
1309
1310   if (logging::DialogsAreSuppressed())
1311     command_line->AppendSwitch(switches::kNoErrorDialogs);
1312
1313   std::string process_type =
1314       command_line->GetSwitchValueASCII(switches::kProcessType);
1315   const base::CommandLine& browser_command_line =
1316       *base::CommandLine::ForCurrentProcess();
1317
1318   static const char* const kCommonSwitchNames[] = {
1319     switches::kUserAgent,
1320     switches::kUserDataDir,  // Make logs go to the right file.
1321   };
1322   command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
1323                                  arraysize(kCommonSwitchNames));
1324
1325 #if defined(ENABLE_IPC_FUZZER)
1326   static const char* const kIpcFuzzerSwitches[] = {
1327       switches::kIpcDumpDirectory,
1328       switches::kIpcFuzzerTestcase,
1329   };
1330   command_line->CopySwitchesFrom(browser_command_line, kIpcFuzzerSwitches,
1331                                  arraysize(kIpcFuzzerSwitches));
1332 #endif
1333
1334 #if defined(OS_CHROMEOS)
1335   static const char* const kChromeOSSwitches[] = {
1336     switches::kDisableDinosaurEasterEgg,
1337   };
1338   command_line->CopySwitchesFrom(browser_command_line, kChromeOSSwitches,
1339                                  arraysize(kChromeOSSwitches));
1340
1341   // On Chrome OS need to pass primary user homedir (in multi-profiles session).
1342   base::FilePath homedir;
1343   PathService::Get(base::DIR_HOME, &homedir);
1344   command_line->AppendSwitchASCII(chromeos::switches::kHomedir,
1345                                   homedir.value().c_str());
1346 #endif
1347
1348   if (process_type == switches::kRendererProcess) {
1349     content::RenderProcessHost* process =
1350         content::RenderProcessHost::FromID(child_process_id);
1351     Profile* profile =
1352         process ? Profile::FromBrowserContext(process->GetBrowserContext())
1353                 : NULL;
1354     for (size_t i = 0; i < extra_parts_.size(); ++i) {
1355       extra_parts_[i]->AppendExtraRendererCommandLineSwitches(
1356           command_line, process, profile);
1357     }
1358
1359 #if defined(OS_CHROMEOS)
1360     const std::string& login_profile =
1361         browser_command_line.GetSwitchValueASCII(
1362             chromeos::switches::kLoginProfile);
1363     if (!login_profile.empty())
1364       command_line->AppendSwitchASCII(
1365           chromeos::switches::kLoginProfile, login_profile);
1366 #endif
1367
1368 #if defined(ENABLE_WEBRTC)
1369     MaybeCopyDisableWebRtcEncryptionSwitch(command_line,
1370                                            browser_command_line,
1371                                            chrome::GetChannel());
1372 #endif
1373
1374     if (process) {
1375       PrefService* prefs = profile->GetPrefs();
1376       // Currently this pref is only registered if applied via a policy.
1377       if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
1378           prefs->GetBoolean(prefs::kDisable3DAPIs)) {
1379         // Turn this policy into a command line switch.
1380         command_line->AppendSwitch(switches::kDisable3DAPIs);
1381       }
1382
1383       const base::ListValue* switches =
1384           prefs->GetList(prefs::kEnableDeprecatedWebPlatformFeatures);
1385       if (switches) {
1386         // Enable any deprecated features that have been re-enabled by policy.
1387         for (base::ListValue::const_iterator it = switches->begin();
1388              it != switches->end(); ++it) {
1389           std::string switch_to_enable;
1390           if ((*it)->GetAsString(&switch_to_enable))
1391             command_line->AppendSwitch(switch_to_enable);
1392         }
1393       }
1394
1395       // Disable client-side phishing detection in the renderer if it is
1396       // disabled in the Profile preferences or the browser process.
1397       if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
1398           !g_browser_process->safe_browsing_detection_service()) {
1399         command_line->AppendSwitch(
1400             switches::kDisableClientSidePhishingDetection);
1401       }
1402
1403       if (prefs->GetBoolean(prefs::kPrintPreviewDisabled))
1404         command_line->AppendSwitch(switches::kDisablePrintPreview);
1405
1406       InstantService* instant_service =
1407           InstantServiceFactory::GetForProfile(profile);
1408       if (instant_service &&
1409           instant_service->IsInstantProcess(process->GetID()))
1410         command_line->AppendSwitch(switches::kInstantProcess);
1411     }
1412
1413     if (IsAutoReloadEnabled())
1414       command_line->AppendSwitch(switches::kEnableOfflineAutoReload);
1415     if (IsAutoReloadVisibleOnlyEnabled()) {
1416       command_line->AppendSwitch(
1417           switches::kEnableOfflineAutoReloadVisibleOnly);
1418     }
1419
1420     {
1421       // Enable showing a saved copy if this session is in the field trial
1422       // or the user explicitly enabled it.  Note that as far as the
1423       // renderer is concerned, the feature is enabled if-and-only-if
1424       // one of the kEnableShowSavedCopy* switches is on the command
1425       // line; the yes/no/default behavior is only at the browser
1426       // command line level.
1427
1428       // Command line switches override
1429       const std::string& show_saved_copy_value =
1430           browser_command_line.GetSwitchValueASCII(switches::kShowSavedCopy);
1431       if (show_saved_copy_value == switches::kEnableShowSavedCopyPrimary ||
1432           show_saved_copy_value == switches::kEnableShowSavedCopySecondary ||
1433           show_saved_copy_value == switches::kDisableShowSavedCopy) {
1434         command_line->AppendSwitchASCII(switches::kShowSavedCopy,
1435                                         show_saved_copy_value);
1436       } else {
1437         std::string group =
1438             base::FieldTrialList::FindFullName("LoadStaleCacheExperiment");
1439
1440         if (group == "Primary") {
1441           command_line->AppendSwitchASCII(
1442               switches::kShowSavedCopy, switches::kEnableShowSavedCopyPrimary);
1443         } else if (group == "Secondary") {
1444           command_line->AppendSwitchASCII(
1445               switches::kShowSavedCopy,
1446               switches::kEnableShowSavedCopySecondary);
1447         }
1448       }
1449     }
1450
1451     MaybeAppendBlinkSettingsSwitchForFieldTrial(
1452         browser_command_line, command_line);
1453
1454     // Please keep this in alphabetical order.
1455     static const char* const kSwitchNames[] = {
1456       autofill::switches::kDisableFillOnAccountSelect,
1457       autofill::switches::kDisablePasswordGeneration,
1458       autofill::switches::kEnableAccessorySuggestionView,
1459       autofill::switches::kEnableFillOnAccountSelect,
1460       autofill::switches::kEnableFillOnAccountSelectNoHighlighting,
1461       autofill::switches::kEnablePasswordGeneration,
1462       autofill::switches::kEnableSingleClickAutofill,
1463       autofill::switches::kEnableSuggestionsWithSubstringMatch,
1464       autofill::switches::kIgnoreAutocompleteOffForAutofill,
1465       autofill::switches::kLocalHeuristicsOnlyForPasswordGeneration,
1466 #if defined(ENABLE_EXTENSIONS)
1467       extensions::switches::kAllowHTTPBackgroundPage,
1468       extensions::switches::kAllowLegacyExtensionManifests,
1469       extensions::switches::kEnableAppWindowControls,
1470       extensions::switches::kEnableEmbeddedExtensionOptions,
1471       extensions::switches::kEnableExperimentalExtensionApis,
1472       extensions::switches::kExtensionsOnChromeURLs,
1473       extensions::switches::kWhitelistedExtensionID,
1474 #endif
1475       switches::kAllowInsecureLocalhost,
1476       switches::kAppsGalleryURL,
1477       switches::kCloudPrintURL,
1478       switches::kCloudPrintXmppEndpoint,
1479       switches::kDisableBundledPpapiFlash,
1480       switches::kDisableCastStreamingHWEncoding,
1481       switches::kDisableJavaScriptHarmonyShipping,
1482       switches::kDisableNewBookmarkApps,
1483 #if defined(ENABLE_SPELLCHECK) && defined(OS_ANDROID)
1484       switches::kEnableAndroidSpellChecker,
1485 #endif
1486       switches::kEnableBenchmarking,
1487       switches::kEnableNaCl,
1488 #if !defined(DISABLE_NACL)
1489       switches::kEnableNaClDebug,
1490       switches::kEnableNaClNonSfiMode,
1491       switches::kEnablePNaClSubzero,
1492 #endif
1493       switches::kEnableNetBenchmarking,
1494       switches::kEnableNewBookmarkApps,
1495       switches::kEnablePluginPlaceholderShadowDom,
1496       switches::kJavaScriptHarmony,
1497       switches::kMessageLoopHistogrammer,
1498       switches::kPpapiFlashArgs,
1499       switches::kPpapiFlashPath,
1500       switches::kPpapiFlashVersion,
1501       switches::kProfilingAtStart,
1502       switches::kProfilingFile,
1503       switches::kProfilingFlush,
1504       switches::kUnsafelyTreatInsecureOriginAsSecure,
1505       translate::switches::kTranslateSecurityOrigin,
1506     };
1507
1508     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1509                                    arraysize(kSwitchNames));
1510   } else if (process_type == switches::kUtilityProcess) {
1511 #if defined(ENABLE_EXTENSIONS)
1512     static const char* const kSwitchNames[] = {
1513       extensions::switches::kAllowHTTPBackgroundPage,
1514       extensions::switches::kEnableExperimentalExtensionApis,
1515       extensions::switches::kExtensionsOnChromeURLs,
1516       extensions::switches::kWhitelistedExtensionID,
1517     };
1518
1519     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1520                                    arraysize(kSwitchNames));
1521 #endif
1522   } else if (process_type == switches::kPluginProcess) {
1523 #if defined(OS_CHROMEOS)
1524     static const char* const kSwitchNames[] = {
1525       chromeos::switches::kLoginProfile,
1526     };
1527
1528     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1529                                    arraysize(kSwitchNames));
1530 #endif
1531   } else if (process_type == switches::kZygoteProcess) {
1532     static const char* const kSwitchNames[] = {
1533       // Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
1534       switches::kDisableBundledPpapiFlash,
1535 #if !defined(DISABLE_NACL)
1536       switches::kEnableNaClDebug,
1537       switches::kEnableNaClNonSfiMode,
1538       switches::kEnablePNaClSubzero,
1539       switches::kNaClDangerousNoSandboxNonSfi,
1540       switches::kUseNaClHelperNonSfi,
1541 #endif
1542       switches::kPpapiFlashPath,
1543       switches::kPpapiFlashVersion,
1544     };
1545
1546     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1547                                    arraysize(kSwitchNames));
1548   } else if (process_type == switches::kGpuProcess) {
1549     // If --ignore-gpu-blacklist is passed in, don't send in crash reports
1550     // because GPU is expected to be unreliable.
1551     if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
1552         !command_line->HasSwitch(switches::kDisableBreakpad))
1553       command_line->AppendSwitch(switches::kDisableBreakpad);
1554   }
1555
1556   // The command line switch kEnableBenchmarking needs to be specified along
1557   // with the kEnableStatsTable switch to ensure that the stats table global
1558   // is initialized correctly.
1559   if (command_line->HasSwitch(switches::kEnableBenchmarking))
1560     DCHECK(command_line->HasSwitch(switches::kEnableStatsTable));
1561 }
1562
1563 std::string ChromeContentBrowserClient::GetApplicationLocale() {
1564   if (BrowserThread::CurrentlyOn(BrowserThread::IO))
1565     return g_io_thread_application_locale.Get();
1566   return g_browser_process->GetApplicationLocale();
1567 }
1568
1569 std::string ChromeContentBrowserClient::GetAcceptLangs(
1570     content::BrowserContext* context) {
1571   Profile* profile = Profile::FromBrowserContext(context);
1572   return profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
1573 }
1574
1575 const gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
1576   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
1577   return rb.GetNativeImageNamed(IDR_DEFAULT_FAVICON).ToImageSkia();
1578 }
1579
1580 bool ChromeContentBrowserClient::AllowAppCache(
1581     const GURL& manifest_url,
1582     const GURL& first_party,
1583     content::ResourceContext* context) {
1584   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1585   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1586   return io_data->GetCookieSettings()->
1587       IsSettingCookieAllowed(manifest_url, first_party);
1588 }
1589
1590 bool ChromeContentBrowserClient::AllowServiceWorker(
1591     const GURL& scope,
1592     const GURL& first_party_url,
1593     content::ResourceContext* context,
1594     int render_process_id,
1595     int render_frame_id) {
1596   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1597   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1598   bool allow = io_data->GetCookieSettings()->IsSettingCookieAllowed(
1599       scope, first_party_url);
1600
1601   // Record access to database for potential display in UI.
1602   BrowserThread::PostTask(
1603       BrowserThread::UI, FROM_HERE,
1604       base::Bind(&TabSpecificContentSettings::ServiceWorkerAccessed,
1605                  render_process_id, render_frame_id, scope, !allow));
1606   return allow;
1607 }
1608
1609 bool ChromeContentBrowserClient::AllowGetCookie(
1610     const GURL& url,
1611     const GURL& first_party,
1612     const net::CookieList& cookie_list,
1613     content::ResourceContext* context,
1614     int render_process_id,
1615     int render_frame_id) {
1616   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1617   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1618   bool allow = io_data->GetCookieSettings()->
1619       IsReadingCookieAllowed(url, first_party);
1620
1621   BrowserThread::PostTask(
1622       BrowserThread::UI, FROM_HERE,
1623       base::Bind(&TabSpecificContentSettings::CookiesRead, render_process_id,
1624                  render_frame_id, url, first_party, cookie_list, !allow));
1625   return allow;
1626 }
1627
1628 bool ChromeContentBrowserClient::AllowSetCookie(
1629     const GURL& url,
1630     const GURL& first_party,
1631     const std::string& cookie_line,
1632     content::ResourceContext* context,
1633     int render_process_id,
1634     int render_frame_id,
1635     net::CookieOptions* options) {
1636   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1637   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1638   content_settings::CookieSettings* cookie_settings =
1639       io_data->GetCookieSettings();
1640   bool allow = cookie_settings->IsSettingCookieAllowed(url, first_party);
1641
1642   BrowserThread::PostTask(
1643       BrowserThread::UI, FROM_HERE,
1644       base::Bind(&TabSpecificContentSettings::CookieChanged, render_process_id,
1645                  render_frame_id, url, first_party, cookie_line, *options,
1646                  !allow));
1647   return allow;
1648 }
1649
1650 bool ChromeContentBrowserClient::AllowSaveLocalState(
1651     content::ResourceContext* context) {
1652   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1653   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1654   content_settings::CookieSettings* cookie_settings =
1655       io_data->GetCookieSettings();
1656   ContentSetting setting = cookie_settings->GetDefaultCookieSetting(NULL);
1657
1658   // TODO(bauerb): Should we also disallow local state if the default is BLOCK?
1659   // Could we even support per-origin settings?
1660   return setting != CONTENT_SETTING_SESSION_ONLY;
1661 }
1662
1663 bool ChromeContentBrowserClient::AllowWorkerDatabase(
1664     const GURL& url,
1665     const base::string16& name,
1666     const base::string16& display_name,
1667     unsigned long estimated_size,
1668     content::ResourceContext* context,
1669     const std::vector<std::pair<int, int> >& render_frames) {
1670   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1671   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1672   content_settings::CookieSettings* cookie_settings =
1673       io_data->GetCookieSettings();
1674   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1675
1676   // Record access to database for potential display in UI.
1677   std::vector<std::pair<int, int> >::const_iterator i;
1678   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1679     BrowserThread::PostTask(
1680         BrowserThread::UI, FROM_HERE,
1681         base::Bind(&TabSpecificContentSettings::WebDatabaseAccessed,
1682                    i->first, i->second, url, name, display_name, !allow));
1683   }
1684
1685   return allow;
1686 }
1687
1688 void ChromeContentBrowserClient::AllowWorkerFileSystem(
1689     const GURL& url,
1690     content::ResourceContext* context,
1691     const std::vector<std::pair<int, int> >& render_frames,
1692     base::Callback<void(bool)> callback) {
1693   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1694   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1695   content_settings::CookieSettings* cookie_settings =
1696       io_data->GetCookieSettings();
1697   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1698
1699 #if defined(ENABLE_EXTENSIONS)
1700   GuestPermissionRequestHelper(url, render_frames, callback, allow);
1701 #else
1702   FileSystemAccessed(url, render_frames, callback, allow);
1703 #endif
1704 }
1705
1706 #if defined(ENABLE_EXTENSIONS)
1707 void ChromeContentBrowserClient::GuestPermissionRequestHelper(
1708     const GURL& url,
1709     const std::vector<std::pair<int, int> >& render_frames,
1710     base::Callback<void(bool)> callback,
1711     bool allow) {
1712   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::IO));
1713   std::vector<std::pair<int, int> >::const_iterator i;
1714   std::map<int, int> process_map;
1715   std::map<int, int>::const_iterator it;
1716   bool has_web_view_guest = false;
1717   // Record access to file system for potential display in UI.
1718   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1719     if (process_map.find(i->first) != process_map.end())
1720       continue;
1721
1722     process_map.insert(std::pair<int, int>(i->first, i->second));
1723
1724     if (extensions::WebViewRendererState::GetInstance()->IsGuest(i->first))
1725       has_web_view_guest = true;
1726   }
1727   if (!has_web_view_guest) {
1728     FileSystemAccessed(url, render_frames, callback, allow);
1729     return;
1730   }
1731   DCHECK_EQ(1U, process_map.size());
1732   it = process_map.begin();
1733   BrowserThread::PostTask(
1734       BrowserThread::UI,
1735       FROM_HERE,
1736       base::Bind(&ChromeContentBrowserClient::
1737                   RequestFileSystemPermissionOnUIThread,
1738                   it->first,
1739                   it->second,
1740                   url,
1741                   allow,
1742                   base::Bind(&ChromeContentBrowserClient::FileSystemAccessed,
1743                             weak_factory_.GetWeakPtr(),
1744                             url,
1745                             render_frames,
1746                             callback)));
1747 }
1748
1749 void ChromeContentBrowserClient::RequestFileSystemPermissionOnUIThread(
1750     int render_process_id,
1751     int render_frame_id,
1752     const GURL& url,
1753     bool allowed_by_default,
1754     const base::Callback<void(bool)>& callback) {
1755   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::UI));
1756   extensions::WebViewPermissionHelper* web_view_permission_helper =
1757       extensions::WebViewPermissionHelper::FromFrameID(
1758           render_process_id, render_frame_id);
1759   web_view_permission_helper->RequestFileSystemPermission(url,
1760                                                           allowed_by_default,
1761                                                           callback);
1762 }
1763 #endif
1764
1765 void ChromeContentBrowserClient::FileSystemAccessed(
1766     const GURL& url,
1767     const std::vector<std::pair<int, int> >& render_frames,
1768     base::Callback<void(bool)> callback,
1769     bool allow) {
1770   // Record access to file system for potential display in UI.
1771   std::vector<std::pair<int, int> >::const_iterator i;
1772   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1773     BrowserThread::PostTask(
1774         BrowserThread::UI,
1775         FROM_HERE,
1776         base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
1777                    i->first, i->second, url, !allow));
1778   }
1779   callback.Run(allow);
1780 }
1781
1782 bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
1783     const GURL& url,
1784     const base::string16& name,
1785     content::ResourceContext* context,
1786     const std::vector<std::pair<int, int> >& render_frames) {
1787   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1788   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1789   content_settings::CookieSettings* cookie_settings =
1790       io_data->GetCookieSettings();
1791   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1792
1793   // Record access to IndexedDB for potential display in UI.
1794   std::vector<std::pair<int, int> >::const_iterator i;
1795   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1796     BrowserThread::PostTask(
1797         BrowserThread::UI, FROM_HERE,
1798         base::Bind(&TabSpecificContentSettings::IndexedDBAccessed,
1799                    i->first, i->second, url, name, !allow));
1800   }
1801
1802   return allow;
1803 }
1804
1805 #if defined(ENABLE_WEBRTC)
1806 bool ChromeContentBrowserClient::AllowWebRTCIdentityCache(
1807     const GURL& url,
1808     const GURL& first_party_url,
1809     content::ResourceContext* context) {
1810   DCHECK_CURRENTLY_ON(BrowserThread::IO);
1811   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1812   content_settings::CookieSettings* cookie_settings =
1813       io_data->GetCookieSettings();
1814   return cookie_settings->IsReadingCookieAllowed(url, first_party_url) &&
1815          cookie_settings->IsSettingCookieAllowed(url, first_party_url);
1816 }
1817 #endif  // defined(ENABLE_WEBRTC)
1818
1819 net::URLRequestContext*
1820 ChromeContentBrowserClient::OverrideRequestContextForURL(
1821     const GURL& url, content::ResourceContext* context) {
1822   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1823 #if defined(ENABLE_EXTENSIONS)
1824   if (url.SchemeIs(extensions::kExtensionScheme)) {
1825     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1826     return io_data->extensions_request_context();
1827   }
1828 #endif
1829
1830   return NULL;
1831 }
1832
1833 QuotaPermissionContext*
1834 ChromeContentBrowserClient::CreateQuotaPermissionContext() {
1835   return new ChromeQuotaPermissionContext();
1836 }
1837
1838 void ChromeContentBrowserClient::AllowCertificateError(
1839     int render_process_id,
1840     int render_frame_id,
1841     int cert_error,
1842     const net::SSLInfo& ssl_info,
1843     const GURL& request_url,
1844     ResourceType resource_type,
1845     bool overridable,
1846     bool strict_enforcement,
1847     bool expired_previous_decision,
1848     const base::Callback<void(bool)>& callback,
1849     content::CertificateRequestResultType* result) {
1850   if (resource_type != content::RESOURCE_TYPE_MAIN_FRAME) {
1851     // A sub-resource has a certificate error.  The user doesn't really
1852     // have a context for making the right decision, so block the
1853     // request hard, without an info bar to allow showing the insecure
1854     // content.
1855     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
1856     return;
1857   }
1858
1859   // If the tab is being prerendered, cancel the prerender and the request.
1860   content::RenderFrameHost* render_frame_host =
1861       content::RenderFrameHost::FromID(render_process_id, render_frame_id);
1862   WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
1863   if (!tab) {
1864     NOTREACHED();
1865     return;
1866   }
1867
1868   prerender::PrerenderContents* prerender_contents =
1869       prerender::PrerenderContents::FromWebContents(tab);
1870   if (prerender_contents) {
1871     prerender_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
1872     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
1873     return;
1874   }
1875
1876   // Otherwise, display an SSL blocking page. The interstitial page takes
1877   // ownership of ssl_blocking_page.
1878   int options_mask = 0;
1879   if (overridable)
1880     options_mask |= SSLBlockingPage::OVERRIDABLE;
1881   if (strict_enforcement)
1882     options_mask |= SSLBlockingPage::STRICT_ENFORCEMENT;
1883   if (expired_previous_decision)
1884     options_mask |= SSLBlockingPage::EXPIRED_BUT_PREVIOUSLY_ALLOWED;
1885
1886   SafeBrowsingService* safe_browsing_service =
1887       g_browser_process->safe_browsing_service();
1888   scoped_ptr<SafeBrowsingSSLCertReporter> cert_reporter(
1889       new SafeBrowsingSSLCertReporter(safe_browsing_service
1890                                           ? safe_browsing_service->ui_manager()
1891                                           : nullptr));
1892   SSLErrorHandler::HandleSSLError(tab, cert_error, ssl_info, request_url,
1893                                   options_mask, cert_reporter.Pass(), callback);
1894 }
1895
1896 void ChromeContentBrowserClient::SelectClientCertificate(
1897     content::WebContents* web_contents,
1898     net::SSLCertRequestInfo* cert_request_info,
1899     scoped_ptr<content::ClientCertificateDelegate> delegate) {
1900   prerender::PrerenderContents* prerender_contents =
1901       prerender::PrerenderContents::FromWebContents(web_contents);
1902   if (prerender_contents) {
1903     prerender_contents->Destroy(
1904         prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
1905     return;
1906   }
1907
1908   GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
1909   DCHECK(requesting_url.is_valid())
1910       << "Invalid URL string: https://"
1911       << cert_request_info->host_and_port.ToString();
1912
1913   Profile* profile =
1914       Profile::FromBrowserContext(web_contents->GetBrowserContext());
1915   scoped_ptr<base::Value> filter =
1916       profile->GetHostContentSettingsMap()->GetWebsiteSetting(
1917           requesting_url,
1918           requesting_url,
1919           CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
1920           std::string(),
1921           NULL);
1922
1923   if (filter.get()) {
1924     // Try to automatically select a client certificate.
1925     if (filter->IsType(base::Value::TYPE_DICTIONARY)) {
1926       base::DictionaryValue* filter_dict =
1927           static_cast<base::DictionaryValue*>(filter.get());
1928
1929       const std::vector<scoped_refptr<net::X509Certificate> >&
1930           all_client_certs = cert_request_info->client_certs;
1931       for (size_t i = 0; i < all_client_certs.size(); ++i) {
1932         if (CertMatchesFilter(*all_client_certs[i].get(), *filter_dict)) {
1933           // Use the first certificate that is matched by the filter.
1934           delegate->ContinueWithCertificate(all_client_certs[i].get());
1935           return;
1936         }
1937       }
1938     } else {
1939       NOTREACHED();
1940     }
1941   }
1942
1943   chrome::ShowSSLClientCertificateSelector(web_contents, cert_request_info,
1944                                            delegate.Pass());
1945 }
1946
1947 void ChromeContentBrowserClient::AddCertificate(
1948     net::CertificateMimeType cert_type,
1949     const void* cert_data,
1950     size_t cert_size,
1951     int render_process_id,
1952     int render_frame_id) {
1953   chrome::SSLAddCertificate(cert_type, cert_data, cert_size,
1954                             render_process_id, render_frame_id);
1955 }
1956
1957 content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
1958   return MediaCaptureDevicesDispatcher::GetInstance();
1959 }
1960
1961 content::PlatformNotificationService*
1962 ChromeContentBrowserClient::GetPlatformNotificationService() {
1963 #if defined(ENABLE_NOTIFICATIONS)
1964   return PlatformNotificationServiceImpl::GetInstance();
1965 #else
1966   NOTIMPLEMENTED();
1967   return NULL;
1968 #endif
1969 }
1970
1971 bool ChromeContentBrowserClient::CanCreateWindow(
1972     const GURL& opener_url,
1973     const GURL& opener_top_level_frame_url,
1974     const GURL& source_origin,
1975     WindowContainerType container_type,
1976     const GURL& target_url,
1977     const content::Referrer& referrer,
1978     WindowOpenDisposition disposition,
1979     const WebWindowFeatures& features,
1980     bool user_gesture,
1981     bool opener_suppressed,
1982     content::ResourceContext* context,
1983     int render_process_id,
1984     int opener_render_view_id,
1985     int opener_render_frame_id,
1986     bool* no_javascript_access) {
1987   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1988
1989   *no_javascript_access = false;
1990
1991   // If the opener is trying to create a background window but doesn't have
1992   // the appropriate permission, fail the attempt.
1993   if (container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
1994 #if defined(ENABLE_EXTENSIONS)
1995     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1996     InfoMap* map = io_data->GetExtensionInfoMap();
1997     if (!map->SecurityOriginHasAPIPermission(
1998             source_origin,
1999             render_process_id,
2000             APIPermission::kBackground)) {
2001       return false;
2002     }
2003
2004     // Note: this use of GetExtensionOrAppByURL is safe but imperfect.  It may
2005     // return a recently installed Extension even if this CanCreateWindow call
2006     // was made by an old copy of the page in a normal web process.  That's ok,
2007     // because the permission check above would have caused an early return
2008     // already. We must use the full URL to find hosted apps, though, and not
2009     // just the origin.
2010     const Extension* extension =
2011         map->extensions().GetExtensionOrAppByURL(opener_url);
2012     if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
2013       *no_javascript_access = true;
2014 #endif
2015
2016     return true;
2017   }
2018
2019 #if defined(ENABLE_EXTENSIONS)
2020   if (extensions::WebViewRendererState::GetInstance()->IsGuest(
2021       render_process_id))
2022     return true;
2023 #endif
2024
2025   HostContentSettingsMap* content_settings =
2026       ProfileIOData::FromResourceContext(context)->GetHostContentSettingsMap();
2027   BlockedWindowParams blocked_params(target_url,
2028                                      referrer,
2029                                      disposition,
2030                                      features,
2031                                      user_gesture,
2032                                      opener_suppressed,
2033                                      render_process_id,
2034                                      opener_render_frame_id);
2035
2036   if (!user_gesture &&
2037       !base::CommandLine::ForCurrentProcess()->HasSwitch(
2038           switches::kDisablePopupBlocking)) {
2039     if (content_settings->GetContentSetting(opener_top_level_frame_url,
2040                                             opener_top_level_frame_url,
2041                                             CONTENT_SETTINGS_TYPE_POPUPS,
2042                                             std::string()) !=
2043         CONTENT_SETTING_ALLOW) {
2044       BrowserThread::PostTask(BrowserThread::UI,
2045                               FROM_HERE,
2046                               base::Bind(&HandleBlockedPopupOnUIThread,
2047                                          blocked_params));
2048       return false;
2049     }
2050   }
2051
2052 #if defined(OS_ANDROID)
2053   if (SingleTabModeTabHelper::IsRegistered(render_process_id,
2054                                            opener_render_view_id)) {
2055     BrowserThread::PostTask(BrowserThread::UI,
2056                             FROM_HERE,
2057                             base::Bind(&HandleSingleTabModeBlockOnUIThread,
2058                                        blocked_params));
2059     return false;
2060   }
2061 #endif
2062
2063   return true;
2064 }
2065
2066 void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
2067   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
2068   return g_browser_process->ResourceDispatcherHostCreated();
2069 }
2070
2071 content::SpeechRecognitionManagerDelegate*
2072     ChromeContentBrowserClient::CreateSpeechRecognitionManagerDelegate() {
2073   return new speech::ChromeSpeechRecognitionManagerDelegate();
2074 }
2075
2076 net::NetLog* ChromeContentBrowserClient::GetNetLog() {
2077   return g_browser_process->net_log();
2078 }
2079
2080 AccessTokenStore* ChromeContentBrowserClient::CreateAccessTokenStore() {
2081   return new ChromeAccessTokenStore();
2082 }
2083
2084 bool ChromeContentBrowserClient::IsFastShutdownPossible() {
2085   return true;
2086 }
2087
2088 void ChromeContentBrowserClient::OverrideWebkitPrefs(
2089     RenderViewHost* rvh, WebPreferences* web_prefs) {
2090   Profile* profile = Profile::FromBrowserContext(
2091       rvh->GetProcess()->GetBrowserContext());
2092   PrefService* prefs = profile->GetPrefs();
2093
2094   // Fill per-script font preferences. These are not registered on Android
2095   // - http://crbug.com/308033.
2096 #if !defined(OS_ANDROID)
2097   FontFamilyCache::FillFontFamilyMap(profile,
2098                                      prefs::kWebKitStandardFontFamilyMap,
2099                                      &web_prefs->standard_font_family_map);
2100   FontFamilyCache::FillFontFamilyMap(profile,
2101                                      prefs::kWebKitFixedFontFamilyMap,
2102                                      &web_prefs->fixed_font_family_map);
2103   FontFamilyCache::FillFontFamilyMap(profile,
2104                                      prefs::kWebKitSerifFontFamilyMap,
2105                                      &web_prefs->serif_font_family_map);
2106   FontFamilyCache::FillFontFamilyMap(profile,
2107                                      prefs::kWebKitSansSerifFontFamilyMap,
2108                                      &web_prefs->sans_serif_font_family_map);
2109   FontFamilyCache::FillFontFamilyMap(profile,
2110                                      prefs::kWebKitCursiveFontFamilyMap,
2111                                      &web_prefs->cursive_font_family_map);
2112   FontFamilyCache::FillFontFamilyMap(profile,
2113                                      prefs::kWebKitFantasyFontFamilyMap,
2114                                      &web_prefs->fantasy_font_family_map);
2115   FontFamilyCache::FillFontFamilyMap(profile,
2116                                      prefs::kWebKitPictographFontFamilyMap,
2117                                      &web_prefs->pictograph_font_family_map);
2118 #endif
2119
2120   web_prefs->default_font_size =
2121       prefs->GetInteger(prefs::kWebKitDefaultFontSize);
2122   web_prefs->default_fixed_font_size =
2123       prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
2124   web_prefs->minimum_font_size =
2125       prefs->GetInteger(prefs::kWebKitMinimumFontSize);
2126   web_prefs->minimum_logical_font_size =
2127       prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
2128
2129   web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2130
2131   web_prefs->javascript_can_open_windows_automatically =
2132       prefs->GetBoolean(prefs::kWebKitJavascriptCanOpenWindowsAutomatically);
2133   web_prefs->dom_paste_enabled =
2134       prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
2135   web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
2136
2137   if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
2138     web_prefs->javascript_enabled = false;
2139   if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
2140     web_prefs->web_security_enabled = false;
2141   if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
2142     web_prefs->plugins_enabled = false;
2143   if (!prefs->GetBoolean(prefs::kWebKitJavaEnabled))
2144     web_prefs->java_enabled = false;
2145   web_prefs->loads_images_automatically =
2146       prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
2147
2148   if (prefs->GetBoolean(prefs::kDisable3DAPIs))
2149     web_prefs->experimental_webgl_enabled = false;
2150
2151   web_prefs->allow_displaying_insecure_content =
2152       prefs->GetBoolean(prefs::kWebKitAllowDisplayingInsecureContent);
2153   web_prefs->allow_running_insecure_content =
2154       prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
2155 #if defined(OS_ANDROID)
2156   web_prefs->font_scale_factor =
2157       static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
2158   web_prefs->device_scale_adjustment = GetDeviceScaleAdjustment();
2159   web_prefs->force_enable_zoom =
2160       prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
2161 #endif
2162
2163 #if defined(OS_ANDROID)
2164   web_prefs->password_echo_enabled =
2165       prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
2166 #else
2167   web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
2168 #endif
2169
2170   web_prefs->asynchronous_spell_checking_enabled = true;
2171   web_prefs->unified_textchecker_enabled = true;
2172
2173   web_prefs->uses_universal_detector =
2174       prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
2175   web_prefs->text_areas_are_resizable =
2176       prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
2177   web_prefs->hyperlink_auditing_enabled =
2178       prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
2179
2180 #if defined(ENABLE_EXTENSIONS)
2181   std::string image_animation_policy =
2182       prefs->GetString(prefs::kAnimationPolicy);
2183   if (image_animation_policy == kAnimationPolicyOnce)
2184     web_prefs->animation_policy =
2185         content::IMAGE_ANIMATION_POLICY_ANIMATION_ONCE;
2186   else if (image_animation_policy == kAnimationPolicyNone)
2187     web_prefs->animation_policy = content::IMAGE_ANIMATION_POLICY_NO_ANIMATION;
2188   else
2189     web_prefs->animation_policy = content::IMAGE_ANIMATION_POLICY_ALLOWED;
2190 #endif
2191
2192   // Make sure we will set the default_encoding with canonical encoding name.
2193   web_prefs->default_encoding =
2194       CharacterEncoding::GetCanonicalEncodingNameByAliasName(
2195           web_prefs->default_encoding);
2196   if (web_prefs->default_encoding.empty()) {
2197     prefs->ClearPref(prefs::kDefaultCharset);
2198     web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2199   }
2200   DCHECK(!web_prefs->default_encoding.empty());
2201
2202   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
2203           switches::kEnablePotentiallyAnnoyingSecurityFeatures)) {
2204     web_prefs->disable_reading_from_canvas = true;
2205     web_prefs->strict_mixed_content_checking = true;
2206     web_prefs->strict_powerful_feature_restrictions = true;
2207   }
2208
2209   for (size_t i = 0; i < extra_parts_.size(); ++i)
2210     extra_parts_[i]->OverrideWebkitPrefs(rvh, web_prefs);
2211 }
2212
2213 void ChromeContentBrowserClient::BrowserURLHandlerCreated(
2214     BrowserURLHandler* handler) {
2215   for (size_t i = 0; i < extra_parts_.size(); ++i)
2216     extra_parts_[i]->BrowserURLHandlerCreated(handler);
2217
2218   // about: handler. Must come before chrome: handler, since it will
2219   // rewrite about: urls to chrome: URLs and then expect chrome: to
2220   // actually handle them.  Also relies on a preliminary fixup phase.
2221   handler->SetFixupHandler(&FixupBrowserAboutURL);
2222   handler->AddHandlerPair(&WillHandleBrowserAboutURL,
2223                           BrowserURLHandler::null_handler());
2224
2225 #if defined(OS_ANDROID)
2226   // Handler to rewrite chrome://newtab on Android.
2227   handler->AddHandlerPair(&chrome::android::HandleAndroidNativePageURL,
2228                           BrowserURLHandler::null_handler());
2229 #else
2230   // Handler to rewrite chrome://newtab for InstantExtended.
2231   handler->AddHandlerPair(&search::HandleNewTabURLRewrite,
2232                           &search::HandleNewTabURLReverseRewrite);
2233 #endif
2234
2235   // chrome: & friends.
2236   handler->AddHandlerPair(&HandleWebUI, &HandleWebUIReverse);
2237 }
2238
2239 void ChromeContentBrowserClient::ClearCache(RenderFrameHost* rfh) {
2240   Profile* profile = Profile::FromBrowserContext(
2241       rfh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2242   BrowsingDataRemover* remover =
2243       BrowsingDataRemover::CreateForUnboundedRange(profile);
2244   remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
2245                   BrowsingDataHelper::UNPROTECTED_WEB);
2246   // BrowsingDataRemover takes care of deleting itself when done.
2247 }
2248
2249 void ChromeContentBrowserClient::ClearCookies(RenderFrameHost* rfh) {
2250   Profile* profile = Profile::FromBrowserContext(
2251       rfh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2252   BrowsingDataRemover* remover =
2253       BrowsingDataRemover::CreateForUnboundedRange(profile);
2254   int remove_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
2255   remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
2256   // BrowsingDataRemover takes care of deleting itself when done.
2257 }
2258
2259 base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
2260   return DownloadPrefs::GetDefaultDownloadDirectory();
2261 }
2262
2263 std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
2264   return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
2265 }
2266
2267 void ChromeContentBrowserClient::DidCreatePpapiPlugin(
2268     content::BrowserPpapiHost* browser_host) {
2269 #if defined(ENABLE_PLUGINS)
2270   ChromeContentBrowserClientPluginsPart::DidCreatePpapiPlugin(browser_host);
2271 #endif
2272 }
2273
2274 content::BrowserPpapiHost*
2275     ChromeContentBrowserClient::GetExternalBrowserPpapiHost(
2276         int plugin_process_id) {
2277 #if !defined(DISABLE_NACL)
2278   content::BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
2279   while (!iter.Done()) {
2280     nacl::NaClProcessHost* host = static_cast<nacl::NaClProcessHost*>(
2281         iter.GetDelegate());
2282     if (host->process() &&
2283         host->process()->GetData().id == plugin_process_id) {
2284       // Found the plugin.
2285       return host->browser_ppapi_host();
2286     }
2287     ++iter;
2288   }
2289 #endif
2290   return NULL;
2291 }
2292
2293 bool ChromeContentBrowserClient::AllowPepperSocketAPI(
2294     content::BrowserContext* browser_context,
2295     const GURL& url,
2296     bool private_api,
2297     const content::SocketPermissionRequest* params) {
2298 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2299   return ChromeContentBrowserClientPluginsPart::AllowPepperSocketAPI(
2300       browser_context, url, private_api, params, allowed_socket_origins_);
2301 #else
2302   return false;
2303 #endif
2304 }
2305
2306 ui::SelectFilePolicy* ChromeContentBrowserClient::CreateSelectFilePolicy(
2307     WebContents* web_contents) {
2308   return new ChromeSelectFilePolicy(web_contents);
2309 }
2310
2311 void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2312     std::vector<std::string>* additional_allowed_schemes) {
2313   ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2314       additional_allowed_schemes);
2315   additional_allowed_schemes->push_back(content::kChromeDevToolsScheme);
2316   additional_allowed_schemes->push_back(content::kChromeUIScheme);
2317   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2318     extra_parts_[i]->GetAdditionalAllowedSchemesForFileSystem(
2319         additional_allowed_schemes);
2320   }
2321 }
2322
2323 void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
2324     std::vector<storage::URLRequestAutoMountHandler>* handlers) {
2325   for (size_t i = 0; i < extra_parts_.size(); ++i)
2326     extra_parts_[i]->GetURLRequestAutoMountHandlers(handlers);
2327 }
2328
2329 void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
2330     content::BrowserContext* browser_context,
2331     const base::FilePath& storage_partition_path,
2332     ScopedVector<storage::FileSystemBackend>* additional_backends) {
2333 #if defined(OS_CHROMEOS)
2334   storage::ExternalMountPoints* external_mount_points =
2335       content::BrowserContext::GetMountPoints(browser_context);
2336   DCHECK(external_mount_points);
2337   chromeos::FileSystemBackend* backend = new chromeos::FileSystemBackend(
2338       new drive::FileSystemBackendDelegate,
2339       new chromeos::file_system_provider::BackendDelegate,
2340       new chromeos::MTPFileSystemBackendDelegate(storage_partition_path),
2341       external_mount_points,
2342       storage::ExternalMountPoints::GetSystemInstance());
2343   backend->AddSystemMountPoints();
2344   DCHECK(backend->CanHandleType(storage::kFileSystemTypeExternal));
2345   additional_backends->push_back(backend);
2346 #endif
2347
2348   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2349     extra_parts_[i]->GetAdditionalFileSystemBackends(
2350         browser_context, storage_partition_path, additional_backends);
2351   }
2352 }
2353
2354 #if defined(OS_ANDROID)
2355 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2356     const base::CommandLine& command_line,
2357     int child_process_id,
2358     FileDescriptorInfo* mappings,
2359     std::map<int, base::MemoryMappedFile::Region>* regions) {
2360   int fd = ui::GetMainAndroidPackFd(
2361       &(*regions)[kAndroidUIResourcesPakDescriptor]);
2362   mappings->Share(kAndroidUIResourcesPakDescriptor, fd);
2363
2364   fd = ui::GetCommonResourcesPackFd(
2365       &(*regions)[kAndroidChrome100PercentPakDescriptor]);
2366   mappings->Share(kAndroidChrome100PercentPakDescriptor, fd);
2367
2368   fd = ui::GetLocalePackFd(&(*regions)[kAndroidLocalePakDescriptor]);
2369   mappings->Share(kAndroidLocalePakDescriptor, fd);
2370
2371   if (breakpad::IsCrashReporterEnabled()) {
2372     base::File file =
2373         breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
2374             child_process_id);
2375     if (file.IsValid()) {
2376       mappings->Transfer(kAndroidMinidumpDescriptor,
2377                          base::ScopedFD(file.TakePlatformFile()));
2378     } else {
2379       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
2380                  "be disabled for this process.";
2381     }
2382   }
2383
2384   base::FilePath app_data_path;
2385   PathService::Get(base::DIR_ANDROID_APP_DATA, &app_data_path);
2386   DCHECK(!app_data_path.empty());
2387 }
2388 #elif defined(OS_POSIX) && !defined(OS_MACOSX)
2389 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2390     const base::CommandLine& command_line,
2391     int child_process_id,
2392     FileDescriptorInfo* mappings) {
2393   int crash_signal_fd = GetCrashSignalFD(command_line);
2394   if (crash_signal_fd >= 0) {
2395     mappings->Share(kCrashDumpSignal, crash_signal_fd);
2396   }
2397 }
2398 #endif  // defined(OS_ANDROID)
2399
2400 #if defined(OS_WIN)
2401 const wchar_t* ChromeContentBrowserClient::GetResourceDllName() {
2402   return chrome::kBrowserResourcesDll;
2403 }
2404
2405 base::string16 ChromeContentBrowserClient::GetAppContainerSidForSandboxType(
2406     int sandbox_type) const {
2407   base::string16 sid;
2408
2409 #if defined(GOOGLE_CHROME_BUILD)
2410   const version_info::Channel channel = chrome::GetChannel();
2411
2412   // It's possible to have a SxS installation running at the same time as a
2413   // non-SxS so isolate them from each other.
2414   if (channel == version_info::Channel::CANARY) {
2415     sid.assign(
2416         L"S-1-15-2-3251537155-1984446955-2931258699-841473695-1938553385-"
2417         L"924012150-");
2418   } else {
2419     sid.assign(
2420         L"S-1-15-2-3251537155-1984446955-2931258699-841473695-1938553385-"
2421         L"924012149-");
2422   }
2423 #else
2424   sid.assign(
2425       L"S-1-15-2-3251537155-1984446955-2931258699-841473695-1938553385-"
2426       L"924012148-");
2427 #endif
2428
2429   // TODO(wfh): Add support for more process types here. crbug.com/499523
2430   switch (sandbox_type) {
2431     case content::SANDBOX_TYPE_RENDERER:
2432       return sid + L"129201922";
2433     case content::SANDBOX_TYPE_UTILITY:
2434       return base::string16();
2435     case content::SANDBOX_TYPE_GPU:
2436       return base::string16();
2437     case content::SANDBOX_TYPE_PPAPI:
2438       return sid + L"129201925";
2439 #if !defined(DISABLE_NACL)
2440     case PROCESS_TYPE_NACL_LOADER:
2441       return base::string16();
2442     case PROCESS_TYPE_NACL_BROKER:
2443       return base::string16();
2444 #endif
2445   }
2446
2447   // Should never reach here.
2448   CHECK(0);
2449   return base::string16();
2450 }
2451
2452 void ChromeContentBrowserClient::PreSpawnRenderer(
2453     sandbox::TargetPolicy* policy,
2454     bool* success) {
2455   // This code is duplicated in nacl_exe_win_64.cc.
2456   // Allow the server side of a pipe restricted to the "chrome.nacl."
2457   // namespace so that it cannot impersonate other system or other chrome
2458   // service pipes.
2459   sandbox::ResultCode result = policy->AddRule(
2460       sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
2461       sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
2462       L"\\\\.\\pipe\\chrome.nacl.*");
2463   if (result != sandbox::SBOX_ALL_OK) {
2464     *success = false;
2465     return;
2466   }
2467
2468   // Renderers need to send named pipe handles and shared memory
2469   // segment handles to NaCl loader processes.
2470   result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
2471                            sandbox::TargetPolicy::HANDLES_DUP_ANY,
2472                            L"File");
2473   if (result != sandbox::SBOX_ALL_OK) {
2474     *success = false;
2475     return;
2476   }
2477 }
2478 #endif
2479
2480 void ChromeContentBrowserClient::RegisterFrameMojoShellServices(
2481     content::ServiceRegistry* registry,
2482     content::RenderFrameHost* render_frame_host) {
2483 #if defined(OS_CHROMEOS)
2484   registry->AddService(
2485       base::Bind(&chromeos::attestation::PlatformVerificationImpl::Create,
2486                  render_frame_host));
2487 #endif
2488 }
2489
2490 void ChromeContentBrowserClient::RegisterInProcessMojoApplications(
2491     StaticMojoApplicationMap* apps) {
2492 #if !defined(OS_ANDROID) && !defined(OS_IOS)
2493   apps->insert(std::make_pair(GURL(device::kDevicesMojoAppUrl),
2494                               base::Bind(&device::DevicesAppFactory::CreateApp,
2495                                          base::ThreadTaskRunnerHandle::Get())));
2496 #endif
2497 }
2498
2499 void ChromeContentBrowserClient::OpenURL(
2500     content::BrowserContext* browser_context,
2501     const content::OpenURLParams& params,
2502     const base::Callback<void(content::WebContents*)>& callback) {
2503   DCHECK_CURRENTLY_ON(BrowserThread::UI);
2504
2505 #if !defined(OS_ANDROID) && !defined(OS_IOS)
2506   NavigateParams nav_params(Profile::FromBrowserContext(browser_context),
2507                             params.url,
2508                             params.transition);
2509   FillNavigateParamsFromOpenURLParams(&nav_params, params);
2510   nav_params.user_gesture = params.user_gesture;
2511
2512   Navigate(&nav_params);
2513   callback.Run(nav_params.target_contents);
2514 #elif defined(OS_ANDROID)
2515   service_tab_launcher::ServiceTabLauncher::GetInstance()->LaunchTab(
2516       browser_context, params, callback);
2517 #else
2518   NOTIMPLEMENTED();
2519 #endif
2520 }
2521
2522 content::PresentationServiceDelegate*
2523 ChromeContentBrowserClient::GetPresentationServiceDelegate(
2524       content::WebContents* web_contents) {
2525 #if defined(ENABLE_MEDIA_ROUTER)
2526   if (switches::MediaRouterEnabled()) {
2527     return media_router::PresentationServiceDelegateImpl::
2528         GetOrCreateForWebContents(web_contents);
2529   }
2530 #endif
2531   return nullptr;
2532 }
2533
2534 void ChromeContentBrowserClient::RecordURLMetric(const std::string& metric,
2535                                                  const GURL& url) {
2536   if (url.is_valid()) {
2537     rappor::SampleDomainAndRegistryFromGURL(g_browser_process->rappor_service(),
2538                                             metric, url);
2539   }
2540 }
2541
2542 content::DevToolsManagerDelegate*
2543 ChromeContentBrowserClient::GetDevToolsManagerDelegate() {
2544   return new ChromeDevToolsManagerDelegate();
2545 }
2546
2547 content::TracingDelegate* ChromeContentBrowserClient::GetTracingDelegate() {
2548 #if !defined(OS_ANDROID)
2549   return new ChromeTracingDelegate();
2550 #else
2551   return nullptr;
2552 #endif
2553 }
2554
2555 bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
2556     content::BrowserContext* browser_context,
2557     const GURL& url) {
2558 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2559   return ChromeContentBrowserClientPluginsPart::
2560       IsPluginAllowedToCallRequestOSFileHandle(browser_context, url,
2561                                                allowed_file_handle_origins_);
2562 #else
2563   return false;
2564 #endif
2565 }
2566
2567 bool ChromeContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs(
2568     content::BrowserContext* browser_context,
2569     const GURL& url) {
2570 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2571   return ChromeContentBrowserClientPluginsPart::
2572       IsPluginAllowedToUseDevChannelAPIs(browser_context, url,
2573                                          allowed_dev_channel_origins_);
2574 #else
2575   return false;
2576 #endif
2577 }
2578
2579 void ChromeContentBrowserClient::OverridePageVisibilityState(
2580       RenderFrameHost* render_frame_host,
2581       blink::WebPageVisibilityState* visibility_state) {
2582   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
2583
2584   WebContents* web_contents =
2585       WebContents::FromRenderFrameHost(render_frame_host);
2586   DCHECK(web_contents);
2587
2588   Profile* profile =
2589       Profile::FromBrowserContext(web_contents->GetBrowserContext());
2590   prerender::PrerenderManager* prerender_manager =
2591       prerender::PrerenderManagerFactory::GetForProfile(profile);
2592   if (prerender_manager &&
2593       prerender_manager->IsWebContentsPrerendering(web_contents, nullptr)) {
2594     *visibility_state = blink::WebPageVisibilityStatePrerender;
2595   }
2596 }
2597
2598 #if defined(ENABLE_WEBRTC)
2599 void ChromeContentBrowserClient::MaybeCopyDisableWebRtcEncryptionSwitch(
2600     base::CommandLine* to_command_line,
2601     const base::CommandLine& from_command_line,
2602     version_info::Channel channel) {
2603 #if defined(OS_ANDROID)
2604   const version_info::Channel kMaxDisableEncryptionChannel =
2605       version_info::Channel::BETA;
2606 #else
2607   const version_info::Channel kMaxDisableEncryptionChannel =
2608       version_info::Channel::DEV;
2609 #endif
2610   if (channel <= kMaxDisableEncryptionChannel) {
2611     static const char* const kWebRtcDevSwitchNames[] = {
2612       switches::kDisableWebRtcEncryption,
2613     };
2614     to_command_line->CopySwitchesFrom(from_command_line,
2615                                       kWebRtcDevSwitchNames,
2616                                       arraysize(kWebRtcDevSwitchNames));
2617   }
2618 }
2619 #endif  // defined(ENABLE_WEBRTC)
2620
2621 }  // namespace chrome