chrome/browser/chrome_content_browser_client.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chrome_content_browser_client.h"
   6
   7 #include <set>
   8 #include <utility>
   9 #include <vector>
  10
  11 #include "base/bind.h"
  12 #include "base/command_line.h"
  13 #include "base/files/scoped_file.h"
  14 #include "base/i18n/icu_util.h"
  15 #include "base/lazy_instance.h"
  16 #include "base/path_service.h"
  17 #include "base/prefs/pref_service.h"
  18 #include "base/prefs/scoped_user_pref_update.h"
  19 #include "base/strings/string_number_conversions.h"
  20 #include "base/strings/utf_string_conversions.h"
  21 #include "base/threading/sequenced_worker_pool.h"
  22 #include "chrome/browser/browser_about_handler.h"
  23 #include "chrome/browser/browser_process.h"
  24 #include "chrome/browser/browser_shutdown.h"
  25 #include "chrome/browser/browsing_data/browsing_data_helper.h"
  26 #include "chrome/browser/browsing_data/browsing_data_remover.h"
  27 #include "chrome/browser/character_encoding.h"
  28 #include "chrome/browser/chrome_content_browser_client_parts.h"
  29 #include "chrome/browser/chrome_net_benchmarking_message_filter.h"
  30 #include "chrome/browser/chrome_quota_permission_context.h"
  31 #include "chrome/browser/content_settings/cookie_settings.h"
  32 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
  33 #include "chrome/browser/defaults.h"
  34 #include "chrome/browser/download/download_prefs.h"
  35 #include "chrome/browser/font_family_cache.h"
  36 #include "chrome/browser/geolocation/chrome_access_token_store.h"
  37 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
  38 #include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
  39 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
  40 #include "chrome/browser/net/chrome_net_log.h"
  41 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h"
  42 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings_factory.h"
  43 #include "chrome/browser/notifications/platform_notification_service_impl.h"
  44 #include "chrome/browser/platform_util.h"
  45 #include "chrome/browser/prerender/prerender_final_status.h"
  46 #include "chrome/browser/prerender/prerender_manager.h"
  47 #include "chrome/browser/prerender/prerender_manager_factory.h"
  48 #include "chrome/browser/prerender/prerender_message_filter.h"
  49 #include "chrome/browser/printing/printing_message_filter.h"
  50 #include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
  51 #include "chrome/browser/profiles/profile.h"
  52 #include "chrome/browser/profiles/profile_io_data.h"
  53 #include "chrome/browser/renderer_host/chrome_render_message_filter.h"
  54 #include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
  55 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
  56 #include "chrome/browser/search/instant_service.h"
  57 #include "chrome/browser/search/instant_service_factory.h"
  58 #include "chrome/browser/search/search.h"
  59 #include "chrome/browser/search_engines/search_provider_install_state_message_filter.h"
  60 #include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
  61 #include "chrome/browser/speech/tts_controller.h"
  62 #include "chrome/browser/speech/tts_message_filter.h"
  63 #include "chrome/browser/ssl/ssl_add_certificate.h"
  64 #include "chrome/browser/ssl/ssl_blocking_page.h"
  65 #include "chrome/browser/ssl/ssl_client_certificate_selector.h"
  66 #include "chrome/browser/ssl/ssl_error_handler.h"
  67 #include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
  68 #include "chrome/browser/tab_contents/tab_util.h"
  69 #include "chrome/browser/tracing/chrome_tracing_delegate.h"
  70 #include "chrome/browser/ui/blocked_content/blocked_window_params.h"
  71 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
  72 #include "chrome/browser/ui/chrome_select_file_policy.h"
  73 #include "chrome/browser/ui/sync/sync_promo_ui.h"
  74 #include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
  75 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
  76 #include "chrome/common/chrome_constants.h"
  77 #include "chrome/common/chrome_paths.h"
  78 #include "chrome/common/chrome_switches.h"
  79 #include "chrome/common/env_vars.h"
  80 #include "chrome/common/logging_chrome.h"
  81 #include "chrome/common/pepper_permission_util.h"
  82 #include "chrome/common/pref_names.h"
  83 #include "chrome/common/render_messages.h"
  84 #include "chrome/common/url_constants.h"
  85 #include "chrome/grit/generated_resources.h"
  86 #include "chrome/installer/util/google_update_settings.h"
  87 #include "chromeos/chromeos_constants.h"
  88 #include "components/cdm/browser/cdm_message_filter_android.h"
  89 #include "components/cloud_devices/common/cloud_devices_switches.h"
  90 #include "components/content_settings/core/browser/content_settings_utils.h"
  91 #include "components/content_settings/core/browser/host_content_settings_map.h"
  92 #include "components/content_settings/core/common/content_settings.h"
  93 #include "components/data_reduction_proxy/content/browser/data_reduction_proxy_message_filter.h"
  94 #include "components/dom_distiller/core/url_constants.h"
  95 #include "components/google/core/browser/google_util.h"
  96 #include "components/metrics/client_info.h"
  97 #include "components/pref_registry/pref_registry_syncable.h"
  98 #include "components/rappor/rappor_utils.h"
  99 #include "components/signin/core/common/profile_management_switches.h"
 100 #include "components/translate/core/common/translate_switches.h"
 101 #include "components/url_fixer/url_fixer.h"
 102 #include "content/public/browser/browser_child_process_host.h"
 103 #include "content/public/browser/browser_main_parts.h"
 104 #include "content/public/browser/browser_ppapi_host.h"
 105 #include "content/public/browser/browser_thread.h"
 106 #include "content/public/browser/browser_url_handler.h"
 107 #include "content/public/browser/child_process_data.h"
 108 #include "content/public/browser/child_process_security_policy.h"
 109 #include "content/public/browser/client_certificate_delegate.h"
 110 #include "content/public/browser/render_frame_host.h"
 111 #include "content/public/browser/render_process_host.h"
 112 #include "content/public/browser/render_view_host.h"
 113 #include "content/public/browser/resource_context.h"
 114 #include "content/public/browser/site_instance.h"
 115 #include "content/public/browser/web_contents.h"
 116 #include "content/public/common/child_process_host.h"
 117 #include "content/public/common/content_descriptors.h"
 118 #include "content/public/common/url_utils.h"
 119 #include "content/public/common/web_preferences.h"
 120 #include "gin/public/isolate_holder.h"
 121 #include "net/base/mime_util.h"
 122 #include "net/cookies/canonical_cookie.h"
 123 #include "net/cookies/cookie_options.h"
 124 #include "net/ssl/ssl_cert_request_info.h"
 125 #include "ppapi/host/ppapi_host.h"
 126 #include "storage/browser/fileapi/external_mount_points.h"
 127 #include "ui/base/l10n/l10n_util.h"
 128 #include "ui/base/resource/resource_bundle.h"
 129 #include "ui/resources/grit/ui_resources.h"
 130
 131 #if defined(OS_WIN)
 132 #include "base/win/windows_version.h"
 133 #include "chrome/browser/chrome_browser_main_win.h"
 134 #include "sandbox/win/src/sandbox_policy.h"
 135 #elif defined(OS_MACOSX)
 136 #include "chrome/browser/chrome_browser_main_mac.h"
 137 #include "chrome/browser/spellchecker/spellcheck_message_filter_mac.h"
 138 #elif defined(OS_CHROMEOS)
 139 #include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
 140 #include "chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.h"
 141 #include "chrome/browser/chromeos/file_manager/app_id.h"
 142 #include "chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.h"
 143 #include "chrome/browser/chromeos/fileapi/file_system_backend.h"
 144 #include "chrome/browser/chromeos/fileapi/mtp_file_system_backend_delegate.h"
 145 #include "chrome/browser/chromeos/login/startup_utils.h"
 146 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 147 #include "chrome/browser/chromeos/system/input_device_settings.h"
 148 #include "chromeos/chromeos_switches.h"
 149 #include "components/user_manager/user_manager.h"
 150 #elif defined(OS_LINUX)
 151 #include "chrome/browser/chrome_browser_main_linux.h"
 152 #elif defined(OS_ANDROID)
 153 #include "chrome/browser/android/new_tab_page_url_handler.h"
 154 #include "chrome/browser/android/service_tab_launcher.h"
 155 #include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
 156 #include "chrome/browser/chrome_browser_main_android.h"
 157 #include "chrome/common/descriptors_android.h"
 158 #include "components/crash/browser/crash_dump_manager_android.h"
 159 #elif defined(OS_POSIX)
 160 #include "chrome/browser/chrome_browser_main_posix.h"
 161 #endif
 162
 163 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 164 #include "base/debug/leak_annotations.h"
 165 #include "components/crash/app/breakpad_linux.h"
 166 #include "components/crash/browser/crash_handler_host_linux.h"
 167 #endif
 168
 169 #if defined(OS_ANDROID)
 170 #include "ui/base/ui_base_paths.h"
 171 #include "ui/gfx/android/device_display_info.h"
 172 #endif
 173
 174 #if defined(OS_ANDROID)
 175 #include "chrome/browser/android/dev_tools_manager_delegate_android.h"
 176 #else
 177 #include "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
 178 #endif
 179
 180 #if defined(TOOLKIT_VIEWS)
 181 #include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
 182 #endif
 183
 184 #if defined(USE_ASH)
 185 #include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
 186 #endif
 187
 188 #if defined(USE_AURA)
 189 #include "chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.h"
 190 #endif
 191
 192 #if defined(USE_X11)
 193 #include "chrome/browser/chrome_browser_main_extra_parts_x11.h"
 194 #endif
 195
 196 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
 197 #include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
 198 #endif
 199
 200 #if !defined(DISABLE_NACL)
 201 #include "components/nacl/browser/nacl_browser.h"
 202 #include "components/nacl/browser/nacl_host_message_filter.h"
 203 #include "components/nacl/browser/nacl_process_host.h"
 204 #include "components/nacl/common/nacl_process_type.h"
 205 #include "components/nacl/common/nacl_switches.h"
 206 #endif
 207
 208 #if defined(ENABLE_EXTENSIONS)
 209 #include "chrome/browser/accessibility/animation_policy_prefs.h"
 210 #include "chrome/browser/extensions/chrome_content_browser_client_extensions_part.h"
 211 #include "chrome/browser/extensions/extension_util.h"
 212 #include "chrome/browser/media/cast_transport_host_filter.h"
 213 #include "chrome/browser/speech/extension_api/tts_engine_extension_api.h"
 214 #include "extensions/browser/extension_registry.h"
 215 #include "extensions/browser/guest_view/guest_view_base.h"
 216 #include "extensions/browser/guest_view/guest_view_manager.h"
 217 #include "extensions/browser/guest_view/web_view/web_view_guest.h"
 218 #include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
 219 #include "extensions/browser/guest_view/web_view/web_view_renderer_state.h"
 220 #include "extensions/common/constants.h"
 221 #include "extensions/common/extension.h"
 222 #include "extensions/common/extension_set.h"
 223 #include "extensions/common/manifest_handlers/background_info.h"
 224 #include "extensions/common/manifest_handlers/shared_module_info.h"
 225 #include "extensions/common/permissions/permissions_data.h"
 226 #include "extensions/common/permissions/socket_permission.h"
 227 #include "extensions/common/switches.h"
 228 #endif
 229
 230 #if defined(ENABLE_PLUGINS)
 231 #include "chrome/browser/plugins/chrome_content_browser_client_plugins_part.h"
 232 #endif
 233
 234 #if defined(ENABLE_SPELLCHECK)
 235 #include "chrome/browser/spellchecker/spellcheck_message_filter.h"
 236 #endif
 237
 238 #if defined(ENABLE_WEBRTC)
 239 #include "chrome/browser/media/webrtc_logging_handler_host.h"
 240 #endif
 241
 242 using base::FileDescriptor;
 243 using blink::WebWindowFeatures;
 244 using content::AccessTokenStore;
 245 using content::BrowserThread;
 246 using content::BrowserURLHandler;
 247 using content::ChildProcessSecurityPolicy;
 248 using content::QuotaPermissionContext;
 249 using content::RenderFrameHost;
 250 using content::RenderViewHost;
 251 using content::ResourceType;
 252 using content::SiteInstance;
 253 using content::WebContents;
 254 using content::WebPreferences;
 255 using message_center::NotifierId;
 256
 257 #if defined(OS_POSIX)
 258 using content::FileDescriptorInfo;
 259 #endif
 260
 261 #if defined(ENABLE_EXTENSIONS)
 262 using extensions::APIPermission;
 263 using extensions::ChromeContentBrowserClientExtensionsPart;
 264 using extensions::Extension;
 265 using extensions::InfoMap;
 266 using extensions::Manifest;
 267 #endif
 268
 269 #if defined(ENABLE_PLUGINS)
 270 using plugins::ChromeContentBrowserClientPluginsPart;
 271 #endif
 272
 273 namespace {
 274
 275 // Cached version of the locale so we can return the locale on the I/O
 276 // thread.
 277 base::LazyInstance<std::string> g_io_thread_application_locale;
 278
 279 #if defined(ENABLE_PLUGINS)
 280 // TODO(teravest): Add renderer-side API-specific checking for these APIs so
 281 // that blanket permission isn't granted to all dev channel APIs for these.
 282 // http://crbug.com/386743
 283 const char* const kPredefinedAllowedDevChannelOrigins[] = {
 284   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/383937
 285   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/383937
 286 };
 287
 288 const char* const kPredefinedAllowedFileHandleOrigins[] = {
 289   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 290   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/234789
 291 };
 292
 293 const char* const kPredefinedAllowedSocketOrigins[] = {
 294   "okddffdblfhhnmhodogpojmfkjmhinfp",  // Test SSH Client
 295   "pnhechapfaindjhompbnflcldabbghjo",  // HTerm App (SSH Client)
 296   "bglhmjfplikpjnfoegeomebmfnkjomhe",  // see crbug.com/122126
 297   "gbchcmhmhahfdphkhkmpfmihenigjmpp",  // Chrome Remote Desktop
 298   "kgngmbheleoaphbjbaiobfdepmghbfah",  // Pre-release Chrome Remote Desktop
 299   "odkaodonbgfohohmklejpjiejmcipmib",  // Dogfood Chrome Remote Desktop
 300   "ojoimpklfciegopdfgeenehpalipignm",  // Chromoting canary
 301   "cbkkbcmdlboombapidmoeolnmdacpkch",  // see crbug.com/129089
 302   "hhnbmknkdabfoieppbbljkhkfjcmcbjh",  // see crbug.com/134099
 303   "mablfbjkhmhkmefkjjacnbaikjkipphg",  // see crbug.com/134099
 304   "pdeelgamlgannhelgoegilelnnojegoh",  // see crbug.com/134099
 305   "cabapfdbkniadpollkckdnedaanlciaj",  // see crbug.com/134099
 306   "mapljbgnjledlpdmlchihnmeclmefbba",  // see crbug.com/134099
 307   "ghbfeebgmiidnnmeobbbaiamklmpbpii",  // see crbug.com/134099
 308   "jdfhpkjeckflbbleddjlpimecpbjdeep",  // see crbug.com/142514
 309   "iabmpiboiopbgfabjmgeedhcmjenhbla",  // see crbug.com/165080
 310   "B7CF8A292249681AF81771650BA4CEEAF19A4560",  // see crbug.com/165080
 311   "7525AF4F66763A70A883C4700529F647B470E4D2",  // see crbug.com/238084
 312   "0B549507088E1564D672F7942EB87CA4DAD73972",  // see crbug.com/238084
 313   "864288364E239573E777D3E0E36864E590E95C74"   // see crbug.com/238084
 314 };
 315 #endif
 316
 317 // Returns a copy of the given url with its host set to given host and path set
 318 // to given path. Other parts of the url will be the same.
 319 GURL ReplaceURLHostAndPath(const GURL& url,
 320                            const std::string& host,
 321                            const std::string& path) {
 322   url::Replacements<char> replacements;
 323   replacements.SetHost(host.c_str(), url::Component(0, host.length()));
 324   replacements.SetPath(path.c_str(), url::Component(0, path.length()));
 325   return url.ReplaceComponents(replacements);
 326 }
 327
 328 // Maps "foo://bar/baz/" to "foo://chrome/bar/baz/".
 329 GURL AddUberHost(const GURL& url) {
 330   const std::string uber_host = chrome::kChromeUIUberHost;
 331   const std::string new_path = url.host() + url.path();
 332
 333   return ReplaceURLHostAndPath(url, uber_host, new_path);
 334 }
 335
 336 // If url->host() is "chrome" and url->path() has characters other than the
 337 // first slash, changes the url from "foo://chrome/bar/" to "foo://bar/" and
 338 // returns true. Otherwise returns false.
 339 bool RemoveUberHost(GURL* url) {
 340   if (url->host() != chrome::kChromeUIUberHost)
 341     return false;
 342
 343   if (url->path().empty() || url->path() == "/")
 344     return false;
 345
 346   const std::string old_path = url->path();
 347
 348   const std::string::size_type separator = old_path.find('/', 1);
 349   std::string new_host;
 350   std::string new_path;
 351   if (separator == std::string::npos) {
 352     new_host = old_path.substr(1);
 353   } else {
 354     new_host = old_path.substr(1, separator - 1);
 355     new_path = old_path.substr(separator);
 356   }
 357
 358   // Do not allow URLs with paths empty before the first slash since we can't
 359   // have an empty host. (e.g "foo://chrome//")
 360   if (new_host.empty())
 361     return false;
 362
 363   *url = ReplaceURLHostAndPath(*url, new_host, new_path);
 364
 365   DCHECK(url->is_valid());
 366
 367   return true;
 368 }
 369
 370 // Handles rewriting Web UI URLs.
 371 bool HandleWebUI(GURL* url, content::BrowserContext* browser_context) {
 372   // Do not handle special URLs such as "about:foo"
 373   if (!url->host().empty()) {
 374     const GURL chrome_url = AddUberHost(*url);
 375
 376     // Handle valid "chrome://chrome/foo" URLs so the reverse handler will
 377     // be called.
 378     if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 379             browser_context, chrome_url))
 380       return true;
 381   }
 382
 383   if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 384           browser_context, *url))
 385     return false;
 386
 387 #if defined(OS_CHROMEOS)
 388   // Special case : in ChromeOS in Guest mode bookmarks and history are
 389   // disabled for security reasons. New tab page explains the reasons, so
 390   // we redirect user to new tab page.
 391   if (user_manager::UserManager::Get()->IsLoggedInAsGuest()) {
 392     if (url->SchemeIs(content::kChromeUIScheme) &&
 393         (url->DomainIs(chrome::kChromeUIBookmarksHost) ||
 394          url->DomainIs(chrome::kChromeUIHistoryHost))) {
 395       // Rewrite with new tab URL
 396       *url = GURL(chrome::kChromeUINewTabURL);
 397     }
 398   }
 399 #endif
 400
 401   return true;
 402 }
 403
 404 // Reverse URL handler for Web UI. Maps "chrome://chrome/foo/" to
 405 // "chrome://foo/".
 406 bool HandleWebUIReverse(GURL* url, content::BrowserContext* browser_context) {
 407   if (!url->is_valid() || !url->SchemeIs(content::kChromeUIScheme))
 408     return false;
 409
 410   return RemoveUberHost(url);
 411 }
 412
 413 bool CertMatchesFilter(const net::X509Certificate& cert,
 414                        const base::DictionaryValue& filter) {
 415   // TODO(markusheintz): This is the minimal required filter implementation.
 416   // Implement a better matcher.
 417
 418   // An empty filter matches any client certificate since no requirements are
 419   // specified at all.
 420   if (filter.empty())
 421     return true;
 422
 423   std::string common_name;
 424   if (filter.GetString("ISSUER.CN", &common_name) &&
 425       (cert.issuer().common_name == common_name)) {
 426     return true;
 427   }
 428   return false;
 429 }
 430
 431 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 432 breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
 433     const std::string& process_type) {
 434   base::FilePath dumps_path;
 435   PathService::Get(chrome::DIR_CRASH_DUMPS, &dumps_path);
 436   {
 437     ANNOTATE_SCOPED_MEMORY_LEAK;
 438     bool upload = (getenv(env_vars::kHeadless) == NULL);
 439     breakpad::CrashHandlerHostLinux* crash_handler =
 440         new breakpad::CrashHandlerHostLinux(process_type, dumps_path, upload);
 441     crash_handler->StartUploaderThread();
 442     return crash_handler;
 443   }
 444 }
 445
 446 int GetCrashSignalFD(const base::CommandLine& command_line) {
 447   // Extensions have the same process type as renderers.
 448   if (command_line.HasSwitch(extensions::switches::kExtensionProcess)) {
 449     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 450     if (!crash_handler)
 451       crash_handler = CreateCrashHandlerHost("extension");
 452     return crash_handler->GetDeathSignalSocket();
 453   }
 454
 455   std::string process_type =
 456       command_line.GetSwitchValueASCII(switches::kProcessType);
 457
 458   if (process_type == switches::kRendererProcess) {
 459     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 460     if (!crash_handler)
 461       crash_handler = CreateCrashHandlerHost(process_type);
 462     return crash_handler->GetDeathSignalSocket();
 463   }
 464
 465   if (process_type == switches::kPluginProcess) {
 466     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 467     if (!crash_handler)
 468       crash_handler = CreateCrashHandlerHost(process_type);
 469     return crash_handler->GetDeathSignalSocket();
 470   }
 471
 472   if (process_type == switches::kPpapiPluginProcess) {
 473     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 474     if (!crash_handler)
 475       crash_handler = CreateCrashHandlerHost(process_type);
 476     return crash_handler->GetDeathSignalSocket();
 477   }
 478
 479   if (process_type == switches::kGpuProcess) {
 480     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 481     if (!crash_handler)
 482       crash_handler = CreateCrashHandlerHost(process_type);
 483     return crash_handler->GetDeathSignalSocket();
 484   }
 485
 486   return -1;
 487 }
 488 #endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 489
 490 void SetApplicationLocaleOnIOThread(const std::string& locale) {
 491   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 492   g_io_thread_application_locale.Get() = locale;
 493 }
 494
 495 void HandleBlockedPopupOnUIThread(const BlockedWindowParams& params) {
 496   // TODO(jochen): This code path should use RenderFrameHosts. See
 497   // http://crbug.com/431769 for details.
 498   RenderViewHost* render_view_host =
 499       RenderViewHost::FromID(params.render_process_id(), params.opener_id());
 500   if (!render_view_host)
 501     return;
 502   WebContents* tab = WebContents::FromRenderViewHost(render_view_host);
 503   // The tab might already have navigated away.
 504   if (!tab || tab->GetRenderViewHost() != render_view_host)
 505     return;
 506
 507   prerender::PrerenderContents* prerender_contents =
 508       prerender::PrerenderContents::FromWebContents(tab);
 509   if (prerender_contents) {
 510     prerender_contents->Destroy(prerender::FINAL_STATUS_CREATE_NEW_WINDOW);
 511     return;
 512   }
 513
 514   PopupBlockerTabHelper* popup_helper =
 515       PopupBlockerTabHelper::FromWebContents(tab);
 516   if (!popup_helper)
 517     return;
 518   popup_helper->AddBlockedPopup(params);
 519 }
 520
 521 #if defined(OS_ANDROID)
 522
 523 void HandleSingleTabModeBlockOnUIThread(const BlockedWindowParams& params) {
 524   WebContents* web_contents =
 525       tab_util::GetWebContentsByID(params.render_process_id(),
 526                                    params.opener_id());
 527   if (!web_contents)
 528     return;
 529
 530   SingleTabModeTabHelper::FromWebContents(web_contents)->HandleOpenUrl(params);
 531 }
 532
 533 float GetDeviceScaleAdjustment() {
 534   static const float kMinFSM = 1.05f;
 535   static const int kWidthForMinFSM = 320;
 536   static const float kMaxFSM = 1.3f;
 537   static const int kWidthForMaxFSM = 800;
 538
 539   gfx::DeviceDisplayInfo info;
 540   int minWidth = info.GetSmallestDIPWidth();
 541
 542   if (minWidth <= kWidthForMinFSM)
 543     return kMinFSM;
 544   if (minWidth >= kWidthForMaxFSM)
 545     return kMaxFSM;
 546
 547   // The font scale multiplier varies linearly between kMinFSM and kMaxFSM.
 548   float ratio = static_cast<float>(minWidth - kWidthForMinFSM) /
 549       (kWidthForMaxFSM - kWidthForMinFSM);
 550   return ratio * (kMaxFSM - kMinFSM) + kMinFSM;
 551 }
 552
 553 #endif  // defined(OS_ANDROID)
 554
 555 #if defined(ENABLE_EXTENSIONS)
 556 // By default, JavaScript and images are enabled in guest content.
 557 void GetGuestViewDefaultContentSettingRules(
 558     bool incognito,
 559     RendererContentSettingRules* rules) {
 560   rules->image_rules.push_back(
 561       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 562                                   ContentSettingsPattern::Wildcard(),
 563                                   CONTENT_SETTING_ALLOW,
 564                                   std::string(),
 565                                   incognito));
 566
 567   rules->script_rules.push_back(
 568       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 569                                   ContentSettingsPattern::Wildcard(),
 570                                   CONTENT_SETTING_ALLOW,
 571                                   std::string(),
 572                                   incognito));
 573 }
 574 #endif  // defined(ENALBE_EXTENSIONS)
 575
 576 }  // namespace
 577
 578 namespace chrome {
 579
 580 ChromeContentBrowserClient::ChromeContentBrowserClient()
 581     :
 582 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 583       v8_natives_fd_(-1),
 584       v8_snapshot_fd_(-1),
 585 #endif  // OS_POSIX && !OS_MACOSX
 586       weak_factory_(this) {
 587 #if defined(ENABLE_PLUGINS)
 588   for (size_t i = 0; i < arraysize(kPredefinedAllowedDevChannelOrigins); ++i)
 589     allowed_dev_channel_origins_.insert(kPredefinedAllowedDevChannelOrigins[i]);
 590   for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
 591     allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
 592   for (size_t i = 0; i < arraysize(kPredefinedAllowedSocketOrigins); ++i)
 593     allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
 594
 595   extra_parts_.push_back(new ChromeContentBrowserClientPluginsPart);
 596 #endif
 597
 598 #if !defined(OS_ANDROID)
 599   TtsExtensionEngine* tts_extension_engine = TtsExtensionEngine::GetInstance();
 600   TtsController::GetInstance()->SetTtsEngineDelegate(tts_extension_engine);
 601 #endif
 602
 603 #if defined(ENABLE_EXTENSIONS)
 604   extra_parts_.push_back(new ChromeContentBrowserClientExtensionsPart);
 605 #endif
 606 }
 607
 608 ChromeContentBrowserClient::~ChromeContentBrowserClient() {
 609   for (int i = static_cast<int>(extra_parts_.size()) - 1; i >= 0; --i)
 610     delete extra_parts_[i];
 611   extra_parts_.clear();
 612 }
 613
 614 // static
 615 void ChromeContentBrowserClient::RegisterProfilePrefs(
 616     user_prefs::PrefRegistrySyncable* registry) {
 617   registry->RegisterBooleanPref(
 618       prefs::kDisable3DAPIs,
 619       false,
 620       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 621   registry->RegisterBooleanPref(
 622       prefs::kEnableHyperlinkAuditing,
 623       true,
 624       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 625   registry->RegisterListPref(
 626       prefs::kEnableDeprecatedWebPlatformFeatures,
 627       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 628 }
 629
 630 // static
 631 void ChromeContentBrowserClient::SetApplicationLocale(
 632     const std::string& locale) {
 633   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 634
 635   // This object is guaranteed to outlive all threads so we don't have to
 636   // worry about the lack of refcounting and can just post as Unretained.
 637   //
 638   // The common case is that this function is called early in Chrome startup
 639   // before any threads are created (it will also be called later if the user
 640   // changes the pref). In this case, there will be no threads created and
 641   // posting will fail. When there are no threads, we can just set the string
 642   // without worrying about threadsafety.
 643   if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
 644           base::Bind(&SetApplicationLocaleOnIOThread, locale))) {
 645     g_io_thread_application_locale.Get() = locale;
 646   }
 647 }
 648
 649 content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
 650     const content::MainFunctionParams& parameters) {
 651   ChromeBrowserMainParts* main_parts;
 652   // Construct the Main browser parts based on the OS type.
 653 #if defined(OS_WIN)
 654   main_parts = new ChromeBrowserMainPartsWin(parameters);
 655 #elif defined(OS_MACOSX)
 656   main_parts = new ChromeBrowserMainPartsMac(parameters);
 657 #elif defined(OS_CHROMEOS)
 658   main_parts = new chromeos::ChromeBrowserMainPartsChromeos(parameters);
 659 #elif defined(OS_LINUX)
 660   main_parts = new ChromeBrowserMainPartsLinux(parameters);
 661 #elif defined(OS_ANDROID)
 662   main_parts = new ChromeBrowserMainPartsAndroid(parameters);
 663 #elif defined(OS_POSIX)
 664   main_parts = new ChromeBrowserMainPartsPosix(parameters);
 665 #else
 666   NOTREACHED();
 667   main_parts = new ChromeBrowserMainParts(parameters);
 668 #endif
 669
 670   chrome::AddProfilesExtraParts(main_parts);
 671
 672   // Construct additional browser parts. Stages are called in the order in
 673   // which they are added.
 674 #if defined(TOOLKIT_VIEWS)
 675   main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
 676 #endif
 677
 678 // TODO(oshima): Athena on chrome currently requires USE_ASH to build.
 679 // We should reduce the dependency as much as possible.
 680 #if defined(USE_ASH)
 681   main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
 682 #endif
 683
 684 #if defined(USE_AURA)
 685   main_parts->AddParts(new ChromeBrowserMainExtraPartsAura());
 686 #endif
 687
 688 #if defined(USE_X11)
 689   main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
 690 #endif
 691
 692   chrome::AddMetricsExtraParts(main_parts);
 693
 694   return main_parts;
 695 }
 696
 697 std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
 698     content::BrowserContext* browser_context,
 699     const GURL& site) {
 700   std::string partition_id;
 701
 702   // The partition ID for webview guest processes is the string value of its
 703   // SiteInstance URL - "chrome-guest://app_id/persist?partition".
 704   if (site.SchemeIs(content::kGuestScheme)) {
 705     partition_id = site.spec();
 706   } else if (!switches::IsEnableWebviewBasedSignin() &&
 707              site.GetOrigin().spec() == kChromeUIChromeSigninURL) {
 708     // The non-webview Chrome signin page has an embedded iframe of extension
 709     // and web content, thus it must be isolated from other webUI pages.
 710     partition_id = site.GetOrigin().spec();
 711   }
 712
 713   DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
 714   return partition_id;
 715 }
 716
 717 bool ChromeContentBrowserClient::IsValidStoragePartitionId(
 718     content::BrowserContext* browser_context,
 719     const std::string& partition_id) {
 720   // The default ID is empty and is always valid.
 721   if (partition_id.empty())
 722     return true;
 723
 724   return GURL(partition_id).is_valid();
 725 }
 726
 727 void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
 728     content::BrowserContext* browser_context,
 729     const GURL& site,
 730     bool can_be_default,
 731     std::string* partition_domain,
 732     std::string* partition_name,
 733     bool* in_memory) {
 734   // Default to the browser-wide storage partition and override based on |site|
 735   // below.
 736   partition_domain->clear();
 737   partition_name->clear();
 738   *in_memory = false;
 739
 740   bool success = false;
 741 #if defined(ENABLE_EXTENSIONS)
 742   success = extensions::WebViewGuest::GetGuestPartitionConfigForSite(
 743       site, partition_domain, partition_name, in_memory);
 744
 745   if (!success && site.SchemeIs(extensions::kExtensionScheme)) {
 746     // If |can_be_default| is false, the caller is stating that the |site|
 747     // should be parsed as if it had isolated storage. In particular it is
 748     // important to NOT check ExtensionService for the is_storage_isolated()
 749     // attribute because this code path is run during Extension uninstall
 750     // to do cleanup after the Extension has already been unloaded from the
 751     // ExtensionService.
 752     bool is_isolated = !can_be_default;
 753     if (can_be_default) {
 754       if (extensions::util::SiteHasIsolatedStorage(site, browser_context))
 755         is_isolated = true;
 756     }
 757
 758     if (is_isolated) {
 759       CHECK(site.has_host());
 760       // For extensions with isolated storage, the the host of the |site| is
 761       // the |partition_domain|. The |in_memory| and |partition_name| are only
 762       // used in guest schemes so they are cleared here.
 763       *partition_domain = site.host();
 764       *in_memory = false;
 765       partition_name->clear();
 766     }
 767     success = true;
 768   }
 769 #endif
 770
 771   if (!success && (!switches::IsEnableWebviewBasedSignin() &&
 772                    site.GetOrigin().spec() == kChromeUIChromeSigninURL)) {
 773     // The non-webview Chrome signin page has an embedded iframe of extension
 774     // and web content, thus it must be isolated from other webUI pages.
 775     *partition_domain = chrome::kChromeUIChromeSigninHost;
 776   }
 777
 778   // Assert that if |can_be_default| is false, the code above must have found a
 779   // non-default partition.  If this fails, the caller has a serious logic
 780   // error about which StoragePartition they expect to be in and it is not
 781   // safe to continue.
 782   CHECK(can_be_default || !partition_domain->empty());
 783 }
 784
 785 content::WebContentsViewDelegate*
 786     ChromeContentBrowserClient::GetWebContentsViewDelegate(
 787         content::WebContents* web_contents) {
 788   return chrome::CreateWebContentsViewDelegate(web_contents);
 789 }
 790
 791 void ChromeContentBrowserClient::RenderProcessWillLaunch(
 792     content::RenderProcessHost* host) {
 793   int id = host->GetID();
 794   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
 795   net::URLRequestContextGetter* context =
 796       profile->GetRequestContextForRenderProcess(id);
 797
 798   host->AddFilter(new ChromeRenderMessageFilter(id, profile));
 799 #if defined(ENABLE_EXTENSIONS)
 800   host->AddFilter(new cast::CastTransportHostFilter);
 801 #endif
 802 #if defined(ENABLE_PRINTING)
 803   host->AddFilter(new printing::PrintingMessageFilter(id, profile));
 804 #endif
 805   host->AddFilter(new SearchProviderInstallStateMessageFilter(id, profile));
 806 #if defined(ENABLE_SPELLCHECK)
 807   host->AddFilter(new SpellCheckMessageFilter(id));
 808 #endif
 809 #if defined(OS_MACOSX)
 810   host->AddFilter(new SpellCheckMessageFilterMac(id));
 811 #endif
 812   host->AddFilter(new ChromeNetBenchmarkingMessageFilter(profile, context));
 813   host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
 814   host->AddFilter(new TtsMessageFilter(id, host->GetBrowserContext()));
 815 #if defined(ENABLE_WEBRTC)
 816   WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
 817       new WebRtcLoggingHandlerHost(profile);
 818   host->SetWebRtcLogMessageCallback(base::Bind(
 819       &WebRtcLoggingHandlerHost::LogMessage, webrtc_logging_handler_host));
 820   host->AddFilter(webrtc_logging_handler_host);
 821   host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
 822       webrtc_logging_handler_host));
 823 #endif
 824 #if !defined(DISABLE_NACL)
 825   host->AddFilter(new nacl::NaClHostMessageFilter(
 826       id, profile->IsOffTheRecord(),
 827       profile->GetPath(),
 828       context));
 829 #endif
 830 #if defined(OS_ANDROID)
 831   host->AddFilter(new cdm::CdmMessageFilterAndroid());
 832 #endif
 833   DataReductionProxyChromeSettings* data_reduction_proxy_settings =
 834       DataReductionProxyChromeSettingsFactory::GetForBrowserContext(profile);
 835   host->AddFilter(new data_reduction_proxy::DataReductionProxyMessageFilter(
 836       data_reduction_proxy_settings));
 837
 838   host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
 839       profile->IsOffTheRecord()));
 840
 841   for (size_t i = 0; i < extra_parts_.size(); ++i)
 842     extra_parts_[i]->RenderProcessWillLaunch(host);
 843
 844   RendererContentSettingRules rules;
 845   if (host->IsIsolatedGuest()) {
 846 #if defined(ENABLE_EXTENSIONS)
 847     GetGuestViewDefaultContentSettingRules(profile->IsOffTheRecord(), &rules);
 848 #else
 849     NOTREACHED();
 850 #endif
 851   } else {
 852     GetRendererContentSettingRules(
 853         profile->GetHostContentSettingsMap(), &rules);
 854   }
 855   host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
 856 }
 857
 858 GURL ChromeContentBrowserClient::GetEffectiveURL(
 859     content::BrowserContext* browser_context, const GURL& url) {
 860   Profile* profile = Profile::FromBrowserContext(browser_context);
 861   if (!profile)
 862     return url;
 863
 864   // If the input |url| should be assigned to the Instant renderer, make its
 865   // effective URL distinct from other URLs on the search provider's domain.
 866   if (chrome::ShouldAssignURLToInstantRenderer(url, profile))
 867     return chrome::GetEffectiveURLForInstant(url, profile);
 868
 869 #if defined(ENABLE_EXTENSIONS)
 870   return ChromeContentBrowserClientExtensionsPart::GetEffectiveURL(
 871       profile, url);
 872 #else
 873   return url;
 874 #endif
 875 }
 876
 877 bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
 878     content::BrowserContext* browser_context, const GURL& effective_url) {
 879   // Non-extension, non-Instant URLs should generally use
 880   // process-per-site-instance.  Because we expect to use the effective URL,
 881   // URLs for hosted apps (apart from bookmark apps) should have an extension
 882   // scheme by now.
 883
 884   Profile* profile = Profile::FromBrowserContext(browser_context);
 885   if (!profile)
 886     return false;
 887
 888   if (chrome::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
 889     return true;
 890
 891 #if defined(ENABLE_EXTENSIONS)
 892   return ChromeContentBrowserClientExtensionsPart::ShouldUseProcessPerSite(
 893       profile, effective_url);
 894 #else
 895   return false;
 896 #endif
 897 }
 898
 899 // These are treated as WebUI schemes but do not get WebUI bindings. Also,
 900 // view-source is allowed for these schemes.
 901 void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
 902     std::vector<std::string>* additional_schemes) {
 903   additional_schemes->push_back(chrome::kChromeSearchScheme);
 904   additional_schemes->push_back(dom_distiller::kDomDistillerScheme);
 905 }
 906
 907 void ChromeContentBrowserClient::GetAdditionalWebUIHostsToIgnoreParititionCheck(
 908     std::vector<std::string>* hosts) {
 909   hosts->push_back(chrome::kChromeUIExtensionIconHost);
 910   hosts->push_back(chrome::kChromeUIFaviconHost);
 911   hosts->push_back(chrome::kChromeUIThemeHost);
 912   hosts->push_back(chrome::kChromeUIThumbnailHost);
 913   hosts->push_back(chrome::kChromeUIThumbnailHost2);
 914   hosts->push_back(chrome::kChromeUIThumbnailListHost);
 915 }
 916
 917 net::URLRequestContextGetter*
 918 ChromeContentBrowserClient::CreateRequestContext(
 919     content::BrowserContext* browser_context,
 920     content::ProtocolHandlerMap* protocol_handlers,
 921     content::URLRequestInterceptorScopedVector request_interceptors) {
 922   Profile* profile = Profile::FromBrowserContext(browser_context);
 923   return profile->CreateRequestContext(protocol_handlers,
 924                                        request_interceptors.Pass());
 925 }
 926
 927 net::URLRequestContextGetter*
 928 ChromeContentBrowserClient::CreateRequestContextForStoragePartition(
 929     content::BrowserContext* browser_context,
 930     const base::FilePath& partition_path,
 931     bool in_memory,
 932     content::ProtocolHandlerMap* protocol_handlers,
 933     content::URLRequestInterceptorScopedVector request_interceptors) {
 934   Profile* profile = Profile::FromBrowserContext(browser_context);
 935   return profile->CreateRequestContextForStoragePartition(
 936       partition_path,
 937       in_memory,
 938       protocol_handlers,
 939       request_interceptors.Pass());
 940 }
 941
 942 bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
 943   return ProfileIOData::IsHandledURL(url);
 944 }
 945
 946 bool ChromeContentBrowserClient::CanCommitURL(
 947     content::RenderProcessHost* process_host,
 948     const GURL& url) {
 949 #if defined(ENABLE_EXTENSIONS)
 950   return ChromeContentBrowserClientExtensionsPart::CanCommitURL(
 951       process_host, url);
 952 #else
 953   return true;
 954 #endif
 955 }
 956
 957 bool ChromeContentBrowserClient::ShouldAllowOpenURL(
 958     content::SiteInstance* site_instance, const GURL& url) {
 959   GURL from_url = site_instance->GetSiteURL();
 960
 961 #if defined(ENABLE_EXTENSIONS)
 962   bool result;
 963   if (ChromeContentBrowserClientExtensionsPart::ShouldAllowOpenURL(
 964       site_instance, from_url, url, &result))
 965     return result;
 966 #endif
 967
 968   // Do not allow chrome://chrome-signin navigate to other chrome:// URLs, since
 969   // the signin page may host untrusted web content.
 970   if (from_url.GetOrigin().spec() == chrome::kChromeUIChromeSigninURL &&
 971       url.SchemeIs(content::kChromeUIScheme) &&
 972       url.host() != chrome::kChromeUIChromeSigninHost) {
 973     VLOG(1) << "Blocked navigation to " << url.spec() << " from "
 974             << chrome::kChromeUIChromeSigninURL;
 975     return false;
 976   }
 977
 978   return true;
 979 }
 980
 981 bool ChromeContentBrowserClient::IsSuitableHost(
 982     content::RenderProcessHost* process_host,
 983     const GURL& site_url) {
 984   Profile* profile =
 985       Profile::FromBrowserContext(process_host->GetBrowserContext());
 986   // This may be NULL during tests. In that case, just assume any site can
 987   // share any host.
 988   if (!profile)
 989     return true;
 990
 991   // Instant URLs should only be in the instant process and instant process
 992   // should only have Instant URLs.
 993   InstantService* instant_service =
 994       InstantServiceFactory::GetForProfile(profile);
 995   if (instant_service) {
 996     bool is_instant_process = instant_service->IsInstantProcess(
 997         process_host->GetID());
 998     bool should_be_in_instant_process =
 999         chrome::ShouldAssignURLToInstantRenderer(site_url, profile);
1000     if (is_instant_process || should_be_in_instant_process)
1001       return is_instant_process && should_be_in_instant_process;
1002   }
1003
1004 #if defined(ENABLE_EXTENSIONS)
1005   return ChromeContentBrowserClientExtensionsPart::IsSuitableHost(
1006       profile, process_host, site_url);
1007 #else
1008   return true;
1009 #endif
1010 }
1011
1012 bool ChromeContentBrowserClient::MayReuseHost(
1013     content::RenderProcessHost* process_host) {
1014   // If there is currently a prerender in progress for the host provided,
1015   // it may not be shared. We require prerenders to be by themselves in a
1016   // separate process so that we can monitor their resource usage.
1017   Profile* profile = Profile::FromBrowserContext(
1018       process_host->GetBrowserContext());
1019   prerender::PrerenderManager* prerender_manager =
1020       prerender::PrerenderManagerFactory::GetForProfile(profile);
1021   if (prerender_manager &&
1022       !prerender_manager->MayReuseProcessHost(process_host)) {
1023     return false;
1024   }
1025
1026   return true;
1027 }
1028
1029 bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
1030     content::BrowserContext* browser_context, const GURL& url) {
1031   // It has to be a valid URL for us to check for an extension.
1032   if (!url.is_valid())
1033     return false;
1034
1035 #if defined(ENABLE_EXTENSIONS)
1036   Profile* profile = Profile::FromBrowserContext(browser_context);
1037   return ChromeContentBrowserClientExtensionsPart::
1038       ShouldTryToUseExistingProcessHost(
1039           profile, url);
1040 #else
1041   return false;
1042 #endif
1043 }
1044
1045 void ChromeContentBrowserClient::SiteInstanceGotProcess(
1046     SiteInstance* site_instance) {
1047   CHECK(site_instance->HasProcess());
1048
1049   Profile* profile = Profile::FromBrowserContext(
1050       site_instance->GetBrowserContext());
1051   if (!profile)
1052     return;
1053
1054   // Remember the ID of the Instant process to signal the renderer process
1055   // on startup in |AppendExtraCommandLineSwitches| below.
1056   if (chrome::ShouldAssignURLToInstantRenderer(
1057           site_instance->GetSiteURL(), profile)) {
1058     InstantService* instant_service =
1059         InstantServiceFactory::GetForProfile(profile);
1060     if (instant_service)
1061       instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
1062   }
1063
1064   for (size_t i = 0; i < extra_parts_.size(); ++i)
1065     extra_parts_[i]->SiteInstanceGotProcess(site_instance);
1066 }
1067
1068 void ChromeContentBrowserClient::SiteInstanceDeleting(
1069     SiteInstance* site_instance) {
1070   if (!site_instance->HasProcess())
1071     return;
1072
1073   for (size_t i = 0; i < extra_parts_.size(); ++i)
1074     extra_parts_[i]->SiteInstanceDeleting(site_instance);
1075 }
1076
1077 bool ChromeContentBrowserClient::ShouldSwapBrowsingInstancesForNavigation(
1078     SiteInstance* site_instance,
1079     const GURL& current_url,
1080     const GURL& new_url) {
1081 #if defined(ENABLE_EXTENSIONS)
1082   return ChromeContentBrowserClientExtensionsPart::
1083       ShouldSwapBrowsingInstancesForNavigation(
1084           site_instance, current_url, new_url);
1085 #else
1086   return false;
1087 #endif
1088 }
1089
1090 bool ChromeContentBrowserClient::ShouldSwapProcessesForRedirect(
1091     content::ResourceContext* resource_context, const GURL& current_url,
1092     const GURL& new_url) {
1093 #if defined(ENABLE_EXTENSIONS)
1094   return ChromeContentBrowserClientExtensionsPart::
1095       ShouldSwapProcessesForRedirect(resource_context, current_url, new_url);
1096 #else
1097   return false;
1098 #endif
1099 }
1100
1101 bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
1102   return !url.SchemeIs(chrome::kChromeNativeScheme);
1103 }
1104
1105 std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
1106     const std::string& alias_name) {
1107   return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
1108 }
1109
1110 namespace {
1111
1112 bool IsAutoReloadEnabled() {
1113   // Fetch the field trial, even though we don't use it. Calling FindFullName()
1114   // causes the field-trial mechanism to report which group we're in, which
1115   // might reflect a hard disable or hard enable via flag, both of which have
1116   // their own field trial groups. This lets us know what percentage of users
1117   // manually enable or disable auto-reload.
1118   std::string group = base::FieldTrialList::FindFullName(
1119       "AutoReloadExperiment");
1120   const base::CommandLine& browser_command_line =
1121       *base::CommandLine::ForCurrentProcess();
1122   if (browser_command_line.HasSwitch(switches::kEnableOfflineAutoReload))
1123     return true;
1124   if (browser_command_line.HasSwitch(switches::kDisableOfflineAutoReload))
1125     return false;
1126   return true;
1127 }
1128
1129 bool IsAutoReloadVisibleOnlyEnabled() {
1130   // See the block comment in IsAutoReloadEnabled().
1131   std::string group = base::FieldTrialList::FindFullName(
1132       "AutoReloadVisibleOnlyExperiment");
1133   const base::CommandLine& browser_command_line =
1134       *base::CommandLine::ForCurrentProcess();
1135   if (browser_command_line.HasSwitch(
1136       switches::kEnableOfflineAutoReloadVisibleOnly)) {
1137     return true;
1138   }
1139   if (browser_command_line.HasSwitch(
1140       switches::kDisableOfflineAutoReloadVisibleOnly)) {
1141     return false;
1142   }
1143   return true;
1144 }
1145
1146 }  // namespace
1147
1148 void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
1149     base::CommandLine* command_line,
1150     int child_process_id) {
1151 #if defined(OS_MACOSX)
1152   scoped_ptr<metrics::ClientInfo> client_info =
1153       GoogleUpdateSettings::LoadMetricsClientInfo();
1154   if (client_info) {
1155     command_line->AppendSwitchASCII(switches::kMetricsClientID,
1156                                     client_info->client_id);
1157   }
1158 #elif defined(OS_POSIX)
1159   if (breakpad::IsCrashReporterEnabled()) {
1160     scoped_ptr<metrics::ClientInfo> client_info =
1161         GoogleUpdateSettings::LoadMetricsClientInfo();
1162     command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1163                                     client_info ? client_info->client_id
1164                                                 : std::string());
1165   }
1166 #endif
1167
1168   if (logging::DialogsAreSuppressed())
1169     command_line->AppendSwitch(switches::kNoErrorDialogs);
1170
1171   std::string process_type =
1172       command_line->GetSwitchValueASCII(switches::kProcessType);
1173   const base::CommandLine& browser_command_line =
1174       *base::CommandLine::ForCurrentProcess();
1175
1176   static const char* const kCommonSwitchNames[] = {
1177     switches::kUserAgent,
1178     switches::kUserDataDir,  // Make logs go to the right file.
1179   };
1180   command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
1181                                  arraysize(kCommonSwitchNames));
1182
1183 #if defined(ENABLE_IPC_FUZZER)
1184   static const char* const kIpcFuzzerSwitches[] = {
1185       switches::kIpcDumpDirectory,
1186       switches::kIpcFuzzerTestcase,
1187   };
1188   command_line->CopySwitchesFrom(browser_command_line, kIpcFuzzerSwitches,
1189                                  arraysize(kIpcFuzzerSwitches));
1190 #endif
1191
1192 #if defined(OS_CHROMEOS)
1193   static const char* const kChromeOSSwitches[] = {
1194     switches::kDisableDinosaurEasterEgg,
1195   };
1196   command_line->CopySwitchesFrom(browser_command_line, kChromeOSSwitches,
1197                                  arraysize(kChromeOSSwitches));
1198
1199   // On Chrome OS need to pass primary user homedir (in multi-profiles session).
1200   base::FilePath homedir;
1201   PathService::Get(base::DIR_HOME, &homedir);
1202   command_line->AppendSwitchASCII(chromeos::switches::kHomedir,
1203                                   homedir.value().c_str());
1204 #endif
1205
1206   if (process_type == switches::kRendererProcess) {
1207     content::RenderProcessHost* process =
1208         content::RenderProcessHost::FromID(child_process_id);
1209     Profile* profile =
1210         process ? Profile::FromBrowserContext(process->GetBrowserContext())
1211                 : NULL;
1212     for (size_t i = 0; i < extra_parts_.size(); ++i) {
1213       extra_parts_[i]->AppendExtraRendererCommandLineSwitches(
1214           command_line, process, profile);
1215     }
1216
1217 #if defined(OS_CHROMEOS)
1218     const std::string& login_profile =
1219         browser_command_line.GetSwitchValueASCII(
1220             chromeos::switches::kLoginProfile);
1221     if (!login_profile.empty())
1222       command_line->AppendSwitchASCII(
1223           chromeos::switches::kLoginProfile, login_profile);
1224 #endif
1225
1226 #if defined(ENABLE_WEBRTC)
1227     MaybeCopyDisableWebRtcEncryptionSwitch(command_line,
1228                                            browser_command_line,
1229                                            VersionInfo::GetChannel());
1230 #endif
1231
1232     if (process) {
1233       PrefService* prefs = profile->GetPrefs();
1234       // Currently this pref is only registered if applied via a policy.
1235       if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
1236           prefs->GetBoolean(prefs::kDisable3DAPIs)) {
1237         // Turn this policy into a command line switch.
1238         command_line->AppendSwitch(switches::kDisable3DAPIs);
1239       }
1240
1241       const base::ListValue* switches =
1242           prefs->GetList(prefs::kEnableDeprecatedWebPlatformFeatures);
1243       if (switches) {
1244         // Enable any deprecated features that have been re-enabled by policy.
1245         for (base::ListValue::const_iterator it = switches->begin();
1246              it != switches->end(); ++it) {
1247           std::string switch_to_enable;
1248           if ((*it)->GetAsString(&switch_to_enable))
1249             command_line->AppendSwitch(switch_to_enable);
1250         }
1251       }
1252
1253       // Disable client-side phishing detection in the renderer if it is
1254       // disabled in the Profile preferences or the browser process.
1255       if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
1256           !g_browser_process->safe_browsing_detection_service()) {
1257         command_line->AppendSwitch(
1258             switches::kDisableClientSidePhishingDetection);
1259       }
1260
1261       if (prefs->GetBoolean(prefs::kPrintPreviewDisabled))
1262         command_line->AppendSwitch(switches::kDisablePrintPreview);
1263
1264       InstantService* instant_service =
1265           InstantServiceFactory::GetForProfile(profile);
1266       if (instant_service &&
1267           instant_service->IsInstantProcess(process->GetID()))
1268         command_line->AppendSwitch(switches::kInstantProcess);
1269     }
1270
1271     if (IsAutoReloadEnabled())
1272       command_line->AppendSwitch(switches::kEnableOfflineAutoReload);
1273     if (IsAutoReloadVisibleOnlyEnabled()) {
1274       command_line->AppendSwitch(
1275           switches::kEnableOfflineAutoReloadVisibleOnly);
1276     }
1277
1278     {
1279       // Enable showing a saved copy if this session is in the field trial
1280       // or the user explicitly enabled it.  Note that as far as the
1281       // renderer is concerned, the feature is enabled if-and-only-if
1282       // one of the kEnableShowSavedCopy* switches is on the command
1283       // line; the yes/no/default behavior is only at the browser
1284       // command line level.
1285
1286       // Command line switches override
1287       const std::string& show_saved_copy_value =
1288           browser_command_line.GetSwitchValueASCII(switches::kShowSavedCopy);
1289       if (show_saved_copy_value == switches::kEnableShowSavedCopyPrimary ||
1290           show_saved_copy_value == switches::kEnableShowSavedCopySecondary ||
1291           show_saved_copy_value == switches::kDisableShowSavedCopy) {
1292         command_line->AppendSwitchASCII(switches::kShowSavedCopy,
1293                                         show_saved_copy_value);
1294       } else {
1295         std::string group =
1296             base::FieldTrialList::FindFullName("LoadStaleCacheExperiment");
1297
1298         if (group == "Primary") {
1299           command_line->AppendSwitchASCII(
1300               switches::kShowSavedCopy, switches::kEnableShowSavedCopyPrimary);
1301         } else if (group == "Secondary") {
1302           command_line->AppendSwitchASCII(
1303               switches::kShowSavedCopy,
1304               switches::kEnableShowSavedCopySecondary);
1305         }
1306       }
1307     }
1308
1309     // Please keep this in alphabetical order.
1310     static const char* const kSwitchNames[] = {
1311       autofill::switches::kDisableFillOnAccountSelect,
1312       autofill::switches::kDisablePasswordGeneration,
1313       autofill::switches::kEnableFillOnAccountSelect,
1314       autofill::switches::kEnableFillOnAccountSelectNoHighlighting,
1315       autofill::switches::kEnablePasswordGeneration,
1316       autofill::switches::kEnablePasswordSaveOnInPageNavigation,
1317       autofill::switches::kEnableSingleClickAutofill,
1318       autofill::switches::kIgnoreAutocompleteOffForAutofill,
1319       autofill::switches::kLocalHeuristicsOnlyForPasswordGeneration,
1320       autofill::switches::kRespectAutocompleteOffForAutofill,
1321 #if defined(ENABLE_EXTENSIONS)
1322       extensions::switches::kAllowHTTPBackgroundPage,
1323       extensions::switches::kAllowLegacyExtensionManifests,
1324       extensions::switches::kEnableSurfaceWorker,
1325       extensions::switches::kEnableAppWindowControls,
1326       extensions::switches::kEnableEmbeddedExtensionOptions,
1327       extensions::switches::kEnableExperimentalExtensionApis,
1328       extensions::switches::kExtensionsOnChromeURLs,
1329       extensions::switches::kWhitelistedExtensionID,
1330 #endif
1331       switches::kAllowInsecureLocalhost,
1332       switches::kAppsCheckoutURL,
1333       switches::kAppsGalleryURL,
1334       switches::kCloudPrintURL,
1335       switches::kCloudPrintXmppEndpoint,
1336       switches::kDisableBundledPpapiFlash,
1337       switches::kDisableCastStreamingHWEncoding,
1338       switches::kDisableJavaScriptHarmonyShipping,
1339       switches::kDisableNewBookmarkApps,
1340       switches::kDisableOutOfProcessPdf,
1341       switches::kEnableBenchmarking,
1342       switches::kEnableNaCl,
1343 #if !defined(DISABLE_NACL)
1344       switches::kEnableNaClDebug,
1345       switches::kEnableNaClNonSfiMode,
1346       switches::kEnablePNaClSubzero,
1347 #endif
1348       switches::kEnableNetBenchmarking,
1349       switches::kEnableNewBookmarkApps,
1350       switches::kEnableOutOfProcessPdf,
1351       switches::kEnablePluginPlaceholderShadowDom,
1352       switches::kJavaScriptHarmony,
1353       switches::kMessageLoopHistogrammer,
1354       switches::kPpapiFlashArgs,
1355       switches::kPpapiFlashPath,
1356       switches::kPpapiFlashVersion,
1357       switches::kProfilingAtStart,
1358       switches::kProfilingFile,
1359       switches::kProfilingFlush,
1360       translate::switches::kTranslateSecurityOrigin,
1361     };
1362
1363     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1364                                    arraysize(kSwitchNames));
1365   } else if (process_type == switches::kUtilityProcess) {
1366 #if defined(ENABLE_EXTENSIONS)
1367     static const char* const kSwitchNames[] = {
1368       extensions::switches::kAllowHTTPBackgroundPage,
1369       extensions::switches::kEnableExperimentalExtensionApis,
1370       extensions::switches::kExtensionsOnChromeURLs,
1371       extensions::switches::kWhitelistedExtensionID,
1372     };
1373
1374     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1375                                    arraysize(kSwitchNames));
1376 #endif
1377   } else if (process_type == switches::kPluginProcess) {
1378 #if defined(OS_CHROMEOS)
1379     static const char* const kSwitchNames[] = {
1380       chromeos::switches::kLoginProfile,
1381     };
1382
1383     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1384                                    arraysize(kSwitchNames));
1385 #endif
1386   } else if (process_type == switches::kZygoteProcess) {
1387     static const char* const kSwitchNames[] = {
1388       // Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
1389       switches::kDisableBundledPpapiFlash,
1390 #if !defined(DISABLE_NACL)
1391       switches::kEnableNaClDebug,
1392       switches::kEnableNaClNonSfiMode,
1393       switches::kEnablePNaClSubzero,
1394       switches::kNaClDangerousNoSandboxNonSfi,
1395       switches::kUseNaClHelperNonSfi,
1396 #endif
1397       switches::kPpapiFlashPath,
1398       switches::kPpapiFlashVersion,
1399     };
1400
1401     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1402                                    arraysize(kSwitchNames));
1403   } else if (process_type == switches::kGpuProcess) {
1404     // If --ignore-gpu-blacklist is passed in, don't send in crash reports
1405     // because GPU is expected to be unreliable.
1406     if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
1407         !command_line->HasSwitch(switches::kDisableBreakpad))
1408       command_line->AppendSwitch(switches::kDisableBreakpad);
1409   }
1410
1411   // The command line switch kEnableBenchmarking needs to be specified along
1412   // with the kEnableStatsTable switch to ensure that the stats table global
1413   // is initialized correctly.
1414   if (command_line->HasSwitch(switches::kEnableBenchmarking))
1415     DCHECK(command_line->HasSwitch(switches::kEnableStatsTable));
1416 }
1417
1418 std::string ChromeContentBrowserClient::GetApplicationLocale() {
1419   if (BrowserThread::CurrentlyOn(BrowserThread::IO))
1420     return g_io_thread_application_locale.Get();
1421   return g_browser_process->GetApplicationLocale();
1422 }
1423
1424 std::string ChromeContentBrowserClient::GetAcceptLangs(
1425     content::BrowserContext* context) {
1426   Profile* profile = Profile::FromBrowserContext(context);
1427   return profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
1428 }
1429
1430 const gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
1431   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
1432   return rb.GetNativeImageNamed(IDR_DEFAULT_FAVICON).ToImageSkia();
1433 }
1434
1435 bool ChromeContentBrowserClient::AllowAppCache(
1436     const GURL& manifest_url,
1437     const GURL& first_party,
1438     content::ResourceContext* context) {
1439   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1440   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1441   return io_data->GetCookieSettings()->
1442       IsSettingCookieAllowed(manifest_url, first_party);
1443 }
1444
1445 bool ChromeContentBrowserClient::AllowServiceWorker(
1446     const GURL& scope,
1447     const GURL& first_party_url,
1448     content::ResourceContext* context) {
1449   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1450   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1451   return io_data->GetCookieSettings()->
1452       IsSettingCookieAllowed(scope, first_party_url);
1453 }
1454
1455 bool ChromeContentBrowserClient::AllowGetCookie(
1456     const GURL& url,
1457     const GURL& first_party,
1458     const net::CookieList& cookie_list,
1459     content::ResourceContext* context,
1460     int render_process_id,
1461     int render_frame_id) {
1462   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1463   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1464   bool allow = io_data->GetCookieSettings()->
1465       IsReadingCookieAllowed(url, first_party);
1466
1467   BrowserThread::PostTask(
1468       BrowserThread::UI, FROM_HERE,
1469       base::Bind(&TabSpecificContentSettings::CookiesRead, render_process_id,
1470                  render_frame_id, url, first_party, cookie_list, !allow));
1471   return allow;
1472 }
1473
1474 bool ChromeContentBrowserClient::AllowSetCookie(
1475     const GURL& url,
1476     const GURL& first_party,
1477     const std::string& cookie_line,
1478     content::ResourceContext* context,
1479     int render_process_id,
1480     int render_frame_id,
1481     net::CookieOptions* options) {
1482   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1483   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1484   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1485   bool allow = cookie_settings->IsSettingCookieAllowed(url, first_party);
1486
1487   BrowserThread::PostTask(
1488       BrowserThread::UI, FROM_HERE,
1489       base::Bind(&TabSpecificContentSettings::CookieChanged, render_process_id,
1490                  render_frame_id, url, first_party, cookie_line, *options,
1491                  !allow));
1492   return allow;
1493 }
1494
1495 bool ChromeContentBrowserClient::AllowSaveLocalState(
1496     content::ResourceContext* context) {
1497   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1498   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1499   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1500   ContentSetting setting = cookie_settings->GetDefaultCookieSetting(NULL);
1501
1502   // TODO(bauerb): Should we also disallow local state if the default is BLOCK?
1503   // Could we even support per-origin settings?
1504   return setting != CONTENT_SETTING_SESSION_ONLY;
1505 }
1506
1507 bool ChromeContentBrowserClient::AllowWorkerDatabase(
1508     const GURL& url,
1509     const base::string16& name,
1510     const base::string16& display_name,
1511     unsigned long estimated_size,
1512     content::ResourceContext* context,
1513     const std::vector<std::pair<int, int> >& render_frames) {
1514   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1515   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1516   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1517   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1518
1519   // Record access to database for potential display in UI.
1520   std::vector<std::pair<int, int> >::const_iterator i;
1521   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1522     BrowserThread::PostTask(
1523         BrowserThread::UI, FROM_HERE,
1524         base::Bind(&TabSpecificContentSettings::WebDatabaseAccessed,
1525                    i->first, i->second, url, name, display_name, !allow));
1526   }
1527
1528   return allow;
1529 }
1530
1531 void ChromeContentBrowserClient::AllowWorkerFileSystem(
1532     const GURL& url,
1533     content::ResourceContext* context,
1534     const std::vector<std::pair<int, int> >& render_frames,
1535     base::Callback<void(bool)> callback) {
1536   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1537   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1538   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1539   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1540
1541 #if defined(ENABLE_EXTENSIONS)
1542   GuestPermissionRequestHelper(url, render_frames, callback, allow);
1543 #else
1544   FileSystemAccessed(url, render_frames, callback, allow);
1545 #endif
1546 }
1547
1548 #if defined(ENABLE_EXTENSIONS)
1549 void ChromeContentBrowserClient::GuestPermissionRequestHelper(
1550     const GURL& url,
1551     const std::vector<std::pair<int, int> >& render_frames,
1552     base::Callback<void(bool)> callback,
1553     bool allow) {
1554   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::IO));
1555   std::vector<std::pair<int, int> >::const_iterator i;
1556   std::map<int, int> process_map;
1557   std::map<int, int>::const_iterator it;
1558   bool has_web_view_guest = false;
1559   // Record access to file system for potential display in UI.
1560   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1561     if (process_map.find(i->first) != process_map.end())
1562       continue;
1563
1564     process_map.insert(std::pair<int, int>(i->first, i->second));
1565
1566     if (extensions::WebViewRendererState::GetInstance()->IsGuest(i->first))
1567       has_web_view_guest = true;
1568   }
1569   if (!has_web_view_guest) {
1570     FileSystemAccessed(url, render_frames, callback, allow);
1571     return;
1572   }
1573   DCHECK_EQ(1U, process_map.size());
1574   it = process_map.begin();
1575   BrowserThread::PostTask(
1576       BrowserThread::UI,
1577       FROM_HERE,
1578       base::Bind(&ChromeContentBrowserClient::
1579                   RequestFileSystemPermissionOnUIThread,
1580                   it->first,
1581                   it->second,
1582                   url,
1583                   allow,
1584                   base::Bind(&ChromeContentBrowserClient::FileSystemAccessed,
1585                             weak_factory_.GetWeakPtr(),
1586                             url,
1587                             render_frames,
1588                             callback)));
1589 }
1590
1591 void ChromeContentBrowserClient::RequestFileSystemPermissionOnUIThread(
1592     int render_process_id,
1593     int render_frame_id,
1594     const GURL& url,
1595     bool allowed_by_default,
1596     const base::Callback<void(bool)>& callback) {
1597   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::UI));
1598   extensions::WebViewPermissionHelper* web_view_permission_helper =
1599       extensions::WebViewPermissionHelper::FromFrameID(
1600           render_process_id, render_frame_id);
1601   web_view_permission_helper->RequestFileSystemPermission(url,
1602                                                           allowed_by_default,
1603                                                           callback);
1604 }
1605 #endif
1606
1607 void ChromeContentBrowserClient::FileSystemAccessed(
1608     const GURL& url,
1609     const std::vector<std::pair<int, int> >& render_frames,
1610     base::Callback<void(bool)> callback,
1611     bool allow) {
1612   // Record access to file system for potential display in UI.
1613   std::vector<std::pair<int, int> >::const_iterator i;
1614   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1615     BrowserThread::PostTask(
1616         BrowserThread::UI,
1617         FROM_HERE,
1618         base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
1619                    i->first, i->second, url, !allow));
1620   }
1621   callback.Run(allow);
1622 }
1623
1624 bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
1625     const GURL& url,
1626     const base::string16& name,
1627     content::ResourceContext* context,
1628     const std::vector<std::pair<int, int> >& render_frames) {
1629   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1630   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1631   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1632   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1633
1634   // Record access to IndexedDB for potential display in UI.
1635   std::vector<std::pair<int, int> >::const_iterator i;
1636   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1637     BrowserThread::PostTask(
1638         BrowserThread::UI, FROM_HERE,
1639         base::Bind(&TabSpecificContentSettings::IndexedDBAccessed,
1640                    i->first, i->second, url, name, !allow));
1641   }
1642
1643   return allow;
1644 }
1645
1646 net::URLRequestContext*
1647 ChromeContentBrowserClient::OverrideRequestContextForURL(
1648     const GURL& url, content::ResourceContext* context) {
1649   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1650 #if defined(ENABLE_EXTENSIONS)
1651   if (url.SchemeIs(extensions::kExtensionScheme)) {
1652     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1653     return io_data->extensions_request_context();
1654   }
1655 #endif
1656
1657   return NULL;
1658 }
1659
1660 QuotaPermissionContext*
1661 ChromeContentBrowserClient::CreateQuotaPermissionContext() {
1662   return new ChromeQuotaPermissionContext();
1663 }
1664
1665 void ChromeContentBrowserClient::AllowCertificateError(
1666     int render_process_id,
1667     int render_frame_id,
1668     int cert_error,
1669     const net::SSLInfo& ssl_info,
1670     const GURL& request_url,
1671     ResourceType resource_type,
1672     bool overridable,
1673     bool strict_enforcement,
1674     bool expired_previous_decision,
1675     const base::Callback<void(bool)>& callback,
1676     content::CertificateRequestResultType* result) {
1677   if (resource_type != content::RESOURCE_TYPE_MAIN_FRAME) {
1678     // A sub-resource has a certificate error.  The user doesn't really
1679     // have a context for making the right decision, so block the
1680     // request hard, without an info bar to allow showing the insecure
1681     // content.
1682     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
1683     return;
1684   }
1685
1686   // If the tab is being prerendered, cancel the prerender and the request.
1687   content::RenderFrameHost* render_frame_host =
1688       content::RenderFrameHost::FromID(render_process_id, render_frame_id);
1689   WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
1690   if (!tab) {
1691     NOTREACHED();
1692     return;
1693   }
1694
1695   prerender::PrerenderContents* prerender_contents =
1696       prerender::PrerenderContents::FromWebContents(tab);
1697   if (prerender_contents) {
1698     prerender_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
1699     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
1700     return;
1701   }
1702
1703   // Otherwise, display an SSL blocking page. The interstitial page takes
1704   // ownership of ssl_blocking_page.
1705   int options_mask = 0;
1706   if (overridable)
1707     options_mask |= SSLBlockingPage::OVERRIDABLE;
1708   if (strict_enforcement)
1709     options_mask |= SSLBlockingPage::STRICT_ENFORCEMENT;
1710   if (expired_previous_decision)
1711     options_mask |= SSLBlockingPage::EXPIRED_BUT_PREVIOUSLY_ALLOWED;
1712
1713   SafeBrowsingService* safe_browsing_service =
1714       g_browser_process->safe_browsing_service();
1715   SSLErrorHandler::HandleSSLError(
1716       tab, cert_error, ssl_info, request_url, options_mask,
1717       safe_browsing_service ? safe_browsing_service->ui_manager().get()
1718                             : nullptr,
1719       callback);
1720 }
1721
1722 void ChromeContentBrowserClient::SelectClientCertificate(
1723     content::WebContents* web_contents,
1724     net::SSLCertRequestInfo* cert_request_info,
1725     scoped_ptr<content::ClientCertificateDelegate> delegate) {
1726   prerender::PrerenderContents* prerender_contents =
1727       prerender::PrerenderContents::FromWebContents(web_contents);
1728   if (prerender_contents) {
1729     prerender_contents->Destroy(
1730         prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
1731     return;
1732   }
1733
1734   GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
1735   DCHECK(requesting_url.is_valid())
1736       << "Invalid URL string: https://"
1737       << cert_request_info->host_and_port.ToString();
1738
1739   Profile* profile =
1740       Profile::FromBrowserContext(web_contents->GetBrowserContext());
1741   scoped_ptr<base::Value> filter =
1742       profile->GetHostContentSettingsMap()->GetWebsiteSetting(
1743           requesting_url,
1744           requesting_url,
1745           CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
1746           std::string(),
1747           NULL);
1748
1749   if (filter.get()) {
1750     // Try to automatically select a client certificate.
1751     if (filter->IsType(base::Value::TYPE_DICTIONARY)) {
1752       base::DictionaryValue* filter_dict =
1753           static_cast<base::DictionaryValue*>(filter.get());
1754
1755       const std::vector<scoped_refptr<net::X509Certificate> >&
1756           all_client_certs = cert_request_info->client_certs;
1757       for (size_t i = 0; i < all_client_certs.size(); ++i) {
1758         if (CertMatchesFilter(*all_client_certs[i].get(), *filter_dict)) {
1759           // Use the first certificate that is matched by the filter.
1760           delegate->ContinueWithCertificate(all_client_certs[i].get());
1761           return;
1762         }
1763       }
1764     } else {
1765       NOTREACHED();
1766     }
1767   }
1768
1769   chrome::ShowSSLClientCertificateSelector(web_contents, cert_request_info,
1770                                            delegate.Pass());
1771 }
1772
1773 void ChromeContentBrowserClient::AddCertificate(
1774     net::CertificateMimeType cert_type,
1775     const void* cert_data,
1776     size_t cert_size,
1777     int render_process_id,
1778     int render_frame_id) {
1779   chrome::SSLAddCertificate(cert_type, cert_data, cert_size,
1780                             render_process_id, render_frame_id);
1781 }
1782
1783 content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
1784   return MediaCaptureDevicesDispatcher::GetInstance();
1785 }
1786
1787 content::PlatformNotificationService*
1788 ChromeContentBrowserClient::GetPlatformNotificationService() {
1789 #if defined(ENABLE_NOTIFICATIONS)
1790   return PlatformNotificationServiceImpl::GetInstance();
1791 #else
1792   NOTIMPLEMENTED();
1793   return NULL;
1794 #endif
1795 }
1796
1797 bool ChromeContentBrowserClient::CanCreateWindow(
1798     const GURL& opener_url,
1799     const GURL& opener_top_level_frame_url,
1800     const GURL& source_origin,
1801     WindowContainerType container_type,
1802     const GURL& target_url,
1803     const content::Referrer& referrer,
1804     WindowOpenDisposition disposition,
1805     const WebWindowFeatures& features,
1806     bool user_gesture,
1807     bool opener_suppressed,
1808     content::ResourceContext* context,
1809     int render_process_id,
1810     int opener_id,
1811     bool* no_javascript_access) {
1812   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1813
1814   *no_javascript_access = false;
1815
1816   // If the opener is trying to create a background window but doesn't have
1817   // the appropriate permission, fail the attempt.
1818   if (container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
1819 #if defined(ENABLE_EXTENSIONS)
1820     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1821     InfoMap* map = io_data->GetExtensionInfoMap();
1822     if (!map->SecurityOriginHasAPIPermission(
1823             source_origin,
1824             render_process_id,
1825             APIPermission::kBackground)) {
1826       return false;
1827     }
1828
1829     // Note: this use of GetExtensionOrAppByURL is safe but imperfect.  It may
1830     // return a recently installed Extension even if this CanCreateWindow call
1831     // was made by an old copy of the page in a normal web process.  That's ok,
1832     // because the permission check above would have caused an early return
1833     // already. We must use the full URL to find hosted apps, though, and not
1834     // just the origin.
1835     const Extension* extension =
1836         map->extensions().GetExtensionOrAppByURL(opener_url);
1837     if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
1838       *no_javascript_access = true;
1839 #endif
1840
1841     return true;
1842   }
1843
1844 #if defined(ENABLE_EXTENSIONS)
1845   if (extensions::WebViewRendererState::GetInstance()->IsGuest(
1846       render_process_id))
1847     return true;
1848 #endif
1849
1850   HostContentSettingsMap* content_settings =
1851       ProfileIOData::FromResourceContext(context)->GetHostContentSettingsMap();
1852   BlockedWindowParams blocked_params(target_url,
1853                                      referrer,
1854                                      disposition,
1855                                      features,
1856                                      user_gesture,
1857                                      opener_suppressed,
1858                                      render_process_id,
1859                                      opener_id);
1860
1861   if (!user_gesture &&
1862       !base::CommandLine::ForCurrentProcess()->HasSwitch(
1863           switches::kDisablePopupBlocking)) {
1864     if (content_settings->GetContentSetting(opener_top_level_frame_url,
1865                                             opener_top_level_frame_url,
1866                                             CONTENT_SETTINGS_TYPE_POPUPS,
1867                                             std::string()) !=
1868         CONTENT_SETTING_ALLOW) {
1869       BrowserThread::PostTask(BrowserThread::UI,
1870                               FROM_HERE,
1871                               base::Bind(&HandleBlockedPopupOnUIThread,
1872                                          blocked_params));
1873       return false;
1874     }
1875   }
1876
1877 #if defined(OS_ANDROID)
1878   if (SingleTabModeTabHelper::IsRegistered(render_process_id, opener_id)) {
1879     BrowserThread::PostTask(BrowserThread::UI,
1880                             FROM_HERE,
1881                             base::Bind(&HandleSingleTabModeBlockOnUIThread,
1882                                        blocked_params));
1883     return false;
1884   }
1885 #endif
1886
1887   return true;
1888 }
1889
1890 void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
1891   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1892   return g_browser_process->ResourceDispatcherHostCreated();
1893 }
1894
1895 content::SpeechRecognitionManagerDelegate*
1896     ChromeContentBrowserClient::CreateSpeechRecognitionManagerDelegate() {
1897   return new speech::ChromeSpeechRecognitionManagerDelegate();
1898 }
1899
1900 net::NetLog* ChromeContentBrowserClient::GetNetLog() {
1901   return g_browser_process->net_log();
1902 }
1903
1904 AccessTokenStore* ChromeContentBrowserClient::CreateAccessTokenStore() {
1905   return new ChromeAccessTokenStore();
1906 }
1907
1908 bool ChromeContentBrowserClient::IsFastShutdownPossible() {
1909   return true;
1910 }
1911
1912 void ChromeContentBrowserClient::OverrideWebkitPrefs(
1913     RenderViewHost* rvh, WebPreferences* web_prefs) {
1914   Profile* profile = Profile::FromBrowserContext(
1915       rvh->GetProcess()->GetBrowserContext());
1916   PrefService* prefs = profile->GetPrefs();
1917
1918   // Fill per-script font preferences. These are not registered on Android
1919   // - http://crbug.com/308033.
1920 #if !defined(OS_ANDROID)
1921   FontFamilyCache::FillFontFamilyMap(profile,
1922                                      prefs::kWebKitStandardFontFamilyMap,
1923                                      &web_prefs->standard_font_family_map);
1924   FontFamilyCache::FillFontFamilyMap(profile,
1925                                      prefs::kWebKitFixedFontFamilyMap,
1926                                      &web_prefs->fixed_font_family_map);
1927   FontFamilyCache::FillFontFamilyMap(profile,
1928                                      prefs::kWebKitSerifFontFamilyMap,
1929                                      &web_prefs->serif_font_family_map);
1930   FontFamilyCache::FillFontFamilyMap(profile,
1931                                      prefs::kWebKitSansSerifFontFamilyMap,
1932                                      &web_prefs->sans_serif_font_family_map);
1933   FontFamilyCache::FillFontFamilyMap(profile,
1934                                      prefs::kWebKitCursiveFontFamilyMap,
1935                                      &web_prefs->cursive_font_family_map);
1936   FontFamilyCache::FillFontFamilyMap(profile,
1937                                      prefs::kWebKitFantasyFontFamilyMap,
1938                                      &web_prefs->fantasy_font_family_map);
1939   FontFamilyCache::FillFontFamilyMap(profile,
1940                                      prefs::kWebKitPictographFontFamilyMap,
1941                                      &web_prefs->pictograph_font_family_map);
1942 #endif
1943
1944   web_prefs->default_font_size =
1945       prefs->GetInteger(prefs::kWebKitDefaultFontSize);
1946   web_prefs->default_fixed_font_size =
1947       prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
1948   web_prefs->minimum_font_size =
1949       prefs->GetInteger(prefs::kWebKitMinimumFontSize);
1950   web_prefs->minimum_logical_font_size =
1951       prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
1952
1953   web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
1954
1955   web_prefs->javascript_can_open_windows_automatically =
1956       prefs->GetBoolean(prefs::kWebKitJavascriptCanOpenWindowsAutomatically);
1957   web_prefs->dom_paste_enabled =
1958       prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
1959   web_prefs->shrinks_standalone_images_to_fit =
1960       prefs->GetBoolean(prefs::kWebKitShrinksStandaloneImagesToFit);
1961   web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
1962
1963   if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
1964     web_prefs->javascript_enabled = false;
1965   if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
1966     web_prefs->web_security_enabled = false;
1967   if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
1968     web_prefs->plugins_enabled = false;
1969   if (!prefs->GetBoolean(prefs::kWebKitJavaEnabled))
1970     web_prefs->java_enabled = false;
1971   web_prefs->loads_images_automatically =
1972       prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
1973
1974   if (prefs->GetBoolean(prefs::kDisable3DAPIs))
1975     web_prefs->experimental_webgl_enabled = false;
1976
1977   web_prefs->allow_displaying_insecure_content =
1978       prefs->GetBoolean(prefs::kWebKitAllowDisplayingInsecureContent);
1979   web_prefs->allow_running_insecure_content =
1980       prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
1981 #if defined(OS_ANDROID)
1982   web_prefs->font_scale_factor =
1983       static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
1984   web_prefs->device_scale_adjustment = GetDeviceScaleAdjustment();
1985   web_prefs->force_enable_zoom =
1986       prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
1987 #endif
1988
1989 #if defined(OS_ANDROID)
1990   web_prefs->password_echo_enabled =
1991       prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
1992 #else
1993   web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
1994 #endif
1995
1996   web_prefs->asynchronous_spell_checking_enabled = true;
1997   web_prefs->unified_textchecker_enabled = true;
1998
1999   web_prefs->uses_universal_detector =
2000       prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
2001   web_prefs->text_areas_are_resizable =
2002       prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
2003   web_prefs->hyperlink_auditing_enabled =
2004       prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
2005
2006 #if defined(ENABLE_EXTENSIONS)
2007   std::string image_animation_policy =
2008       prefs->GetString(prefs::kAnimationPolicy);
2009   if (image_animation_policy == kAnimationPolicyOnce)
2010     web_prefs->animation_policy =
2011         content::IMAGE_ANIMATION_POLICY_ANIMATION_ONCE;
2012   else if (image_animation_policy == kAnimationPolicyNone)
2013     web_prefs->animation_policy = content::IMAGE_ANIMATION_POLICY_NO_ANIMATION;
2014   else
2015     web_prefs->animation_policy = content::IMAGE_ANIMATION_POLICY_ALLOWED;
2016 #endif
2017
2018   // Make sure we will set the default_encoding with canonical encoding name.
2019   web_prefs->default_encoding =
2020       CharacterEncoding::GetCanonicalEncodingNameByAliasName(
2021           web_prefs->default_encoding);
2022   if (web_prefs->default_encoding.empty()) {
2023     prefs->ClearPref(prefs::kDefaultCharset);
2024     web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2025   }
2026   DCHECK(!web_prefs->default_encoding.empty());
2027
2028   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
2029           switches::kEnablePotentiallyAnnoyingSecurityFeatures)) {
2030     web_prefs->disable_reading_from_canvas = true;
2031     web_prefs->strict_mixed_content_checking = true;
2032     web_prefs->strict_powerful_feature_restrictions = true;
2033   }
2034
2035   for (size_t i = 0; i < extra_parts_.size(); ++i)
2036     extra_parts_[i]->OverrideWebkitPrefs(rvh, web_prefs);
2037 }
2038
2039 void ChromeContentBrowserClient::BrowserURLHandlerCreated(
2040     BrowserURLHandler* handler) {
2041   for (size_t i = 0; i < extra_parts_.size(); ++i)
2042     extra_parts_[i]->BrowserURLHandlerCreated(handler);
2043
2044   // about: handler. Must come before chrome: handler, since it will
2045   // rewrite about: urls to chrome: URLs and then expect chrome: to
2046   // actually handle them.  Also relies on a preliminary fixup phase.
2047   handler->SetFixupHandler(&FixupBrowserAboutURL);
2048   handler->AddHandlerPair(&WillHandleBrowserAboutURL,
2049                           BrowserURLHandler::null_handler());
2050
2051 #if defined(OS_ANDROID)
2052   // Handler to rewrite chrome://newtab on Android.
2053   handler->AddHandlerPair(&chrome::android::HandleAndroidNativePageURL,
2054                           BrowserURLHandler::null_handler());
2055 #else
2056   // Handler to rewrite chrome://newtab for InstantExtended.
2057   handler->AddHandlerPair(&chrome::HandleNewTabURLRewrite,
2058                           &chrome::HandleNewTabURLReverseRewrite);
2059 #endif
2060
2061   // chrome: & friends.
2062   handler->AddHandlerPair(&HandleWebUI, &HandleWebUIReverse);
2063 }
2064
2065 void ChromeContentBrowserClient::ClearCache(RenderFrameHost* rfh) {
2066   Profile* profile = Profile::FromBrowserContext(
2067       rfh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2068   BrowsingDataRemover* remover =
2069       BrowsingDataRemover::CreateForUnboundedRange(profile);
2070   remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
2071                   BrowsingDataHelper::UNPROTECTED_WEB);
2072   // BrowsingDataRemover takes care of deleting itself when done.
2073 }
2074
2075 void ChromeContentBrowserClient::ClearCookies(RenderFrameHost* rfh) {
2076   Profile* profile = Profile::FromBrowserContext(
2077       rfh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2078   BrowsingDataRemover* remover =
2079       BrowsingDataRemover::CreateForUnboundedRange(profile);
2080   int remove_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
2081   remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
2082   // BrowsingDataRemover takes care of deleting itself when done.
2083 }
2084
2085 base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
2086   return DownloadPrefs::GetDefaultDownloadDirectory();
2087 }
2088
2089 std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
2090   return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
2091 }
2092
2093 void ChromeContentBrowserClient::DidCreatePpapiPlugin(
2094     content::BrowserPpapiHost* browser_host) {
2095 #if defined(ENABLE_PLUGINS)
2096   ChromeContentBrowserClientPluginsPart::DidCreatePpapiPlugin(browser_host);
2097 #endif
2098 }
2099
2100 content::BrowserPpapiHost*
2101     ChromeContentBrowserClient::GetExternalBrowserPpapiHost(
2102         int plugin_process_id) {
2103 #if !defined(DISABLE_NACL)
2104   content::BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
2105   while (!iter.Done()) {
2106     nacl::NaClProcessHost* host = static_cast<nacl::NaClProcessHost*>(
2107         iter.GetDelegate());
2108     if (host->process() &&
2109         host->process()->GetData().id == plugin_process_id) {
2110       // Found the plugin.
2111       return host->browser_ppapi_host();
2112     }
2113     ++iter;
2114   }
2115 #endif
2116   return NULL;
2117 }
2118
2119 bool ChromeContentBrowserClient::AllowPepperSocketAPI(
2120     content::BrowserContext* browser_context,
2121     const GURL& url,
2122     bool private_api,
2123     const content::SocketPermissionRequest* params) {
2124 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2125   return ChromeContentBrowserClientPluginsPart::AllowPepperSocketAPI(
2126       browser_context, url, private_api, params, allowed_socket_origins_);
2127 #else
2128   return false;
2129 #endif
2130 }
2131
2132 ui::SelectFilePolicy* ChromeContentBrowserClient::CreateSelectFilePolicy(
2133     WebContents* web_contents) {
2134   return new ChromeSelectFilePolicy(web_contents);
2135 }
2136
2137 void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2138     std::vector<std::string>* additional_allowed_schemes) {
2139   ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2140       additional_allowed_schemes);
2141   additional_allowed_schemes->push_back(content::kChromeDevToolsScheme);
2142   additional_allowed_schemes->push_back(content::kChromeUIScheme);
2143   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2144     extra_parts_[i]->GetAdditionalAllowedSchemesForFileSystem(
2145         additional_allowed_schemes);
2146   }
2147 }
2148
2149 void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
2150     std::vector<storage::URLRequestAutoMountHandler>* handlers) {
2151   for (size_t i = 0; i < extra_parts_.size(); ++i)
2152     extra_parts_[i]->GetURLRequestAutoMountHandlers(handlers);
2153 }
2154
2155 void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
2156     content::BrowserContext* browser_context,
2157     const base::FilePath& storage_partition_path,
2158     ScopedVector<storage::FileSystemBackend>* additional_backends) {
2159 #if defined(OS_CHROMEOS)
2160   storage::ExternalMountPoints* external_mount_points =
2161       content::BrowserContext::GetMountPoints(browser_context);
2162   DCHECK(external_mount_points);
2163   chromeos::FileSystemBackend* backend = new chromeos::FileSystemBackend(
2164       new drive::FileSystemBackendDelegate,
2165       new chromeos::file_system_provider::BackendDelegate,
2166       new chromeos::MTPFileSystemBackendDelegate(storage_partition_path),
2167       external_mount_points,
2168       storage::ExternalMountPoints::GetSystemInstance());
2169   backend->AddSystemMountPoints();
2170   DCHECK(backend->CanHandleType(storage::kFileSystemTypeExternal));
2171   additional_backends->push_back(backend);
2172 #endif
2173
2174   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2175     extra_parts_[i]->GetAdditionalFileSystemBackends(
2176         browser_context, storage_partition_path, additional_backends);
2177   }
2178 }
2179
2180 #if defined(OS_POSIX) && !defined(OS_MACOSX)
2181 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2182     const base::CommandLine& command_line,
2183     int child_process_id,
2184     FileDescriptorInfo* mappings) {
2185 #if defined(V8_USE_EXTERNAL_STARTUP_DATA)
2186   if (v8_snapshot_fd_.get() == -1 && v8_natives_fd_.get() == -1) {
2187     base::FilePath v8_data_path;
2188     PathService::Get(gin::IsolateHolder::kV8SnapshotBasePathKey, &v8_data_path);
2189     DCHECK(!v8_data_path.empty());
2190
2191     int file_flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2192     base::FilePath v8_natives_data_path =
2193         v8_data_path.AppendASCII(gin::IsolateHolder::kNativesFileName);
2194     base::FilePath v8_snapshot_data_path =
2195         v8_data_path.AppendASCII(gin::IsolateHolder::kSnapshotFileName);
2196     base::File v8_natives_data_file(v8_natives_data_path, file_flags);
2197     base::File v8_snapshot_data_file(v8_snapshot_data_path, file_flags);
2198     DCHECK(v8_natives_data_file.IsValid());
2199     DCHECK(v8_snapshot_data_file.IsValid());
2200     v8_natives_fd_.reset(v8_natives_data_file.TakePlatformFile());
2201     v8_snapshot_fd_.reset(v8_snapshot_data_file.TakePlatformFile());
2202   }
2203   mappings->Share(kV8NativesDataDescriptor, v8_natives_fd_.get());
2204   mappings->Share(kV8SnapshotDataDescriptor, v8_snapshot_fd_.get());
2205 #endif  // V8_USE_EXTERNAL_STARTUP_DATA
2206
2207 #if defined(OS_ANDROID)
2208   base::FilePath data_path;
2209   PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &data_path);
2210   DCHECK(!data_path.empty());
2211
2212   int flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2213   base::FilePath chrome_resources_pak =
2214       data_path.AppendASCII("chrome_100_percent.pak");
2215   base::File file(chrome_resources_pak, flags);
2216   DCHECK(file.IsValid());
2217   mappings->Transfer(kAndroidChrome100PercentPakDescriptor,
2218                      base::ScopedFD(file.TakePlatformFile()));
2219
2220   const std::string locale = GetApplicationLocale();
2221   base::FilePath locale_pak = ResourceBundle::GetSharedInstance().
2222       GetLocaleFilePath(locale, false);
2223   file.Initialize(locale_pak, flags);
2224   DCHECK(file.IsValid());
2225   mappings->Transfer(kAndroidLocalePakDescriptor,
2226                      base::ScopedFD(file.TakePlatformFile()));
2227
2228   base::FilePath resources_pack_path;
2229   PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
2230   file.Initialize(resources_pack_path, flags);
2231   DCHECK(file.IsValid());
2232   mappings->Transfer(kAndroidUIResourcesPakDescriptor,
2233                      base::ScopedFD(file.TakePlatformFile()));
2234
2235   if (breakpad::IsCrashReporterEnabled()) {
2236     file = breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
2237                child_process_id);
2238     if (file.IsValid()) {
2239       mappings->Transfer(kAndroidMinidumpDescriptor,
2240                          base::ScopedFD(file.TakePlatformFile()));
2241     } else {
2242       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
2243                  "be disabled for this process.";
2244     }
2245   }
2246
2247   base::FilePath app_data_path;
2248   PathService::Get(base::DIR_ANDROID_APP_DATA, &app_data_path);
2249   DCHECK(!app_data_path.empty());
2250
2251   flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2252   base::FilePath icudata_path =
2253       app_data_path.AppendASCII(base::i18n::kIcuDataFileName);
2254   base::File icudata_file(icudata_path, flags);
2255   DCHECK(icudata_file.IsValid());
2256   mappings->Transfer(kAndroidICUDataDescriptor,
2257                      base::ScopedFD(icudata_file.TakePlatformFile()));
2258 #else
2259   int crash_signal_fd = GetCrashSignalFD(command_line);
2260   if (crash_signal_fd >= 0) {
2261     mappings->Share(kCrashDumpSignal, crash_signal_fd);
2262   }
2263 #endif  // defined(OS_ANDROID)
2264 }
2265 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
2266
2267 #if defined(OS_WIN)
2268 const wchar_t* ChromeContentBrowserClient::GetResourceDllName() {
2269   return chrome::kBrowserResourcesDll;
2270 }
2271
2272 void ChromeContentBrowserClient::PreSpawnRenderer(
2273     sandbox::TargetPolicy* policy,
2274     bool* success) {
2275   // This code is duplicated in nacl_exe_win_64.cc.
2276   // Allow the server side of a pipe restricted to the "chrome.nacl."
2277   // namespace so that it cannot impersonate other system or other chrome
2278   // service pipes.
2279   sandbox::ResultCode result = policy->AddRule(
2280       sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
2281       sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
2282       L"\\\\.\\pipe\\chrome.nacl.*");
2283   if (result != sandbox::SBOX_ALL_OK) {
2284     *success = false;
2285     return;
2286   }
2287
2288   // Renderers need to send named pipe handles and shared memory
2289   // segment handles to NaCl loader processes.
2290   result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
2291                            sandbox::TargetPolicy::HANDLES_DUP_ANY,
2292                            L"File");
2293   if (result != sandbox::SBOX_ALL_OK) {
2294     *success = false;
2295     return;
2296   }
2297 }
2298 #endif
2299
2300 bool ChromeContentBrowserClient::CheckMediaAccessPermission(
2301     content::BrowserContext* browser_context,
2302     const GURL& security_origin,
2303     content::MediaStreamType type) {
2304   return MediaCaptureDevicesDispatcher::GetInstance()
2305       ->CheckMediaAccessPermission(
2306           browser_context, security_origin, type);
2307 }
2308
2309 void ChromeContentBrowserClient::OpenURL(
2310     content::BrowserContext* browser_context,
2311     const content::OpenURLParams& params,
2312     const base::Callback<void(content::WebContents*)>& callback) {
2313   DCHECK_CURRENTLY_ON(BrowserThread::UI);
2314
2315 #if !defined(OS_ANDROID) && !defined(OS_IOS)
2316   NavigateParams nav_params(Profile::FromBrowserContext(browser_context),
2317                             params.url,
2318                             params.transition);
2319   FillNavigateParamsFromOpenURLParams(&nav_params, params);
2320   nav_params.user_gesture = params.user_gesture;
2321
2322   Navigate(&nav_params);
2323   callback.Run(nav_params.target_contents);
2324 #elif defined(OS_ANDROID)
2325   chrome::android::ServiceTabLauncher::GetInstance()->LaunchTab(
2326       browser_context, params, callback);
2327 #else
2328   NOTIMPLEMENTED();
2329 #endif
2330 }
2331
2332 void ChromeContentBrowserClient::RecordURLMetric(const std::string& metric,
2333                                                  const GURL& url) {
2334   if (url.is_valid()) {
2335     rappor::SampleDomainAndRegistryFromGURL(g_browser_process->rappor_service(),
2336                                             metric, url);
2337   }
2338 }
2339
2340 content::DevToolsManagerDelegate*
2341 ChromeContentBrowserClient::GetDevToolsManagerDelegate() {
2342 #if defined(OS_ANDROID)
2343   return new DevToolsManagerDelegateAndroid();
2344 #else
2345   return new ChromeDevToolsManagerDelegate();
2346 #endif
2347 }
2348
2349 content::TracingDelegate* ChromeContentBrowserClient::GetTracingDelegate() {
2350 #if !defined(OS_ANDROID)
2351   return new ChromeTracingDelegate();
2352 #else
2353   return nullptr;
2354 #endif
2355 }
2356
2357 bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
2358     content::BrowserContext* browser_context,
2359     const GURL& url) {
2360 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2361   return ChromeContentBrowserClientPluginsPart::
2362       IsPluginAllowedToCallRequestOSFileHandle(browser_context, url,
2363                                                allowed_file_handle_origins_);
2364 #else
2365   return false;
2366 #endif
2367 }
2368
2369 bool ChromeContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs(
2370     content::BrowserContext* browser_context,
2371     const GURL& url) {
2372 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2373   return ChromeContentBrowserClientPluginsPart::
2374       IsPluginAllowedToUseDevChannelAPIs(browser_context, url,
2375                                          allowed_dev_channel_origins_);
2376 #else
2377   return false;
2378 #endif
2379 }
2380
2381 void ChromeContentBrowserClient::OverridePageVisibilityState(
2382       RenderFrameHost* render_frame_host,
2383       blink::WebPageVisibilityState* visibility_state) {
2384   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
2385
2386   WebContents* web_contents =
2387       WebContents::FromRenderFrameHost(render_frame_host);
2388   DCHECK(web_contents);
2389
2390   Profile* profile =
2391       Profile::FromBrowserContext(web_contents->GetBrowserContext());
2392   prerender::PrerenderManager* prerender_manager =
2393       prerender::PrerenderManagerFactory::GetForProfile(profile);
2394   if (prerender_manager &&
2395       prerender_manager->IsWebContentsPrerendering(web_contents, nullptr)) {
2396     *visibility_state = blink::WebPageVisibilityStatePrerender;
2397   }
2398 }
2399
2400 #if defined(ENABLE_WEBRTC)
2401 void ChromeContentBrowserClient::MaybeCopyDisableWebRtcEncryptionSwitch(
2402     base::CommandLine* to_command_line,
2403     const base::CommandLine& from_command_line,
2404     VersionInfo::Channel channel) {
2405 #if defined(OS_ANDROID)
2406   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2407       VersionInfo::CHANNEL_BETA;
2408 #else
2409   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2410       VersionInfo::CHANNEL_DEV;
2411 #endif
2412   if (channel <= kMaxDisableEncryptionChannel) {
2413     static const char* const kWebRtcDevSwitchNames[] = {
2414       switches::kDisableWebRtcEncryption,
2415     };
2416     to_command_line->CopySwitchesFrom(from_command_line,
2417                                       kWebRtcDevSwitchNames,
2418                                       arraysize(kWebRtcDevSwitchNames));
2419   }
2420 }
2421 #endif  // defined(ENABLE_WEBRTC)
2422
2423 }  // namespace chrome