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/lazy_instance.h"
  14 #include "base/path_service.h"
  15 #include "base/prefs/pref_service.h"
  16 #include "base/prefs/scoped_user_pref_update.h"
  17 #include "base/strings/string_number_conversions.h"
  18 #include "base/strings/utf_string_conversions.h"
  19 #include "base/threading/sequenced_worker_pool.h"
  20 #include "chrome/browser/app_mode/app_mode_utils.h"
  21 #include "chrome/browser/browser_about_handler.h"
  22 #include "chrome/browser/browser_process.h"
  23 #include "chrome/browser/browser_shutdown.h"
  24 #include "chrome/browser/browsing_data/browsing_data_helper.h"
  25 #include "chrome/browser/browsing_data/browsing_data_remover.h"
  26 #include "chrome/browser/character_encoding.h"
  27 #include "chrome/browser/chrome_net_benchmarking_message_filter.h"
  28 #include "chrome/browser/chrome_quota_permission_context.h"
  29 #include "chrome/browser/content_settings/content_settings_utils.h"
  30 #include "chrome/browser/content_settings/cookie_settings.h"
  31 #include "chrome/browser/content_settings/host_content_settings_map.h"
  32 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
  33 #include "chrome/browser/defaults.h"
  34 #include "chrome/browser/download/download_prefs.h"
  35 #include "chrome/browser/extensions/api/web_request/web_request_api.h"
  36 #include "chrome/browser/extensions/browser_permissions_policy_delegate.h"
  37 #include "chrome/browser/extensions/extension_host.h"
  38 #include "chrome/browser/extensions/extension_service.h"
  39 #include "chrome/browser/extensions/extension_system.h"
  40 #include "chrome/browser/extensions/extension_web_ui.h"
  41 #include "chrome/browser/extensions/extension_webkit_preferences.h"
  42 #include "chrome/browser/extensions/suggest_permission_util.h"
  43 #include "chrome/browser/geolocation/chrome_access_token_store.h"
  44 #include "chrome/browser/google/google_util.h"
  45 #include "chrome/browser/guestview/adview/adview_guest.h"
  46 #include "chrome/browser/guestview/guestview.h"
  47 #include "chrome/browser/guestview/guestview_constants.h"
  48 #include "chrome/browser/guestview/webview/webview_guest.h"
  49 #include "chrome/browser/local_discovery/storage/privet_filesystem_backend.h"
  50 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
  51 #include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
  52 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
  53 #include "chrome/browser/net/chrome_net_log.h"
  54 #include "chrome/browser/notifications/desktop_notification_service.h"
  55 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
  56 #include "chrome/browser/platform_util.h"
  57 #include "chrome/browser/plugins/plugin_info_message_filter.h"
  58 #include "chrome/browser/prerender/prerender_final_status.h"
  59 #include "chrome/browser/prerender/prerender_manager.h"
  60 #include "chrome/browser/prerender/prerender_manager_factory.h"
  61 #include "chrome/browser/prerender/prerender_message_filter.h"
  62 #include "chrome/browser/prerender/prerender_tracker.h"
  63 #include "chrome/browser/printing/printing_message_filter.h"
  64 #include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
  65 #include "chrome/browser/profiles/profile.h"
  66 #include "chrome/browser/profiles/profile_io_data.h"
  67 #include "chrome/browser/profiles/profile_manager.h"
  68 #include "chrome/browser/renderer_host/chrome_render_message_filter.h"
  69 #include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
  70 #include "chrome/browser/search/instant_service.h"
  71 #include "chrome/browser/search/instant_service_factory.h"
  72 #include "chrome/browser/search/search.h"
  73 #include "chrome/browser/search_engines/search_provider_install_state_message_filter.h"
  74 #include "chrome/browser/signin/principals_message_filter.h"
  75 #include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
  76 #include "chrome/browser/speech/tts_message_filter.h"
  77 #include "chrome/browser/ssl/ssl_add_certificate.h"
  78 #include "chrome/browser/ssl/ssl_blocking_page.h"
  79 #include "chrome/browser/ssl/ssl_tab_helper.h"
  80 #include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
  81 #include "chrome/browser/tab_contents/tab_util.h"
  82 #include "chrome/browser/ui/blocked_content/blocked_window_params.h"
  83 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
  84 #include "chrome/browser/ui/chrome_select_file_policy.h"
  85 #include "chrome/browser/ui/sync/sync_promo_ui.h"
  86 #include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
  87 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
  88 #include "chrome/common/chrome_constants.h"
  89 #include "chrome/common/chrome_paths.h"
  90 #include "chrome/common/chrome_switches.h"
  91 #include "chrome/common/chrome_version_info.h"
  92 #include "chrome/common/env_vars.h"
  93 #include "chrome/common/extensions/extension_process_policy.h"
  94 #include "chrome/common/extensions/manifest_handlers/app_isolation_info.h"
  95 #include "chrome/common/extensions/permissions/socket_permission.h"
  96 #include "chrome/common/logging_chrome.h"
  97 #include "chrome/common/pepper_permission_util.h"
  98 #include "chrome/common/pref_names.h"
  99 #include "chrome/common/profile_management_switches.h"
 100 #include "chrome/common/render_messages.h"
 101 #include "chrome/common/url_constants.h"
 102 #include "chrome/installer/util/google_update_settings.h"
 103 #include "chromeos/chromeos_constants.h"
 104 #include "components/nacl/browser/nacl_browser.h"
 105 #include "components/nacl/browser/nacl_host_message_filter.h"
 106 #include "components/nacl/browser/nacl_process_host.h"
 107 #include "components/nacl/common/nacl_process_type.h"
 108 #include "components/translate/core/common/translate_switches.h"
 109 #include "components/user_prefs/pref_registry_syncable.h"
 110 #include "content/public/browser/browser_child_process_host.h"
 111 #include "content/public/browser/browser_main_parts.h"
 112 #include "content/public/browser/browser_ppapi_host.h"
 113 #include "content/public/browser/browser_thread.h"
 114 #include "content/public/browser/browser_url_handler.h"
 115 #include "content/public/browser/child_process_data.h"
 116 #include "content/public/browser/child_process_security_policy.h"
 117 #include "content/public/browser/render_frame_host.h"
 118 #include "content/public/browser/render_process_host.h"
 119 #include "content/public/browser/render_view_host.h"
 120 #include "content/public/browser/resource_context.h"
 121 #include "content/public/browser/site_instance.h"
 122 #include "content/public/browser/web_contents.h"
 123 #include "content/public/browser/web_contents_view.h"
 124 #include "content/public/common/child_process_host.h"
 125 #include "content/public/common/content_descriptors.h"
 126 #include "content/public/common/url_utils.h"
 127 #include "extensions/browser/info_map.h"
 128 #include "extensions/browser/process_manager.h"
 129 #include "extensions/browser/process_map.h"
 130 #include "extensions/browser/view_type_utils.h"
 131 #include "extensions/common/constants.h"
 132 #include "extensions/common/extension.h"
 133 #include "extensions/common/extension_set.h"
 134 #include "extensions/common/manifest_handlers/background_info.h"
 135 #include "extensions/common/manifest_handlers/shared_module_info.h"
 136 #include "extensions/common/manifest_handlers/web_accessible_resources_info.h"
 137 #include "extensions/common/permissions/permissions_data.h"
 138 #include "extensions/common/switches.h"
 139 #include "grit/generated_resources.h"
 140 #include "grit/ui_resources.h"
 141 #include "net/base/mime_util.h"
 142 #include "net/cookies/canonical_cookie.h"
 143 #include "net/cookies/cookie_options.h"
 144 #include "net/ssl/ssl_cert_request_info.h"
 145 #include "ppapi/host/ppapi_host.h"
 146 #include "ppapi/shared_impl/ppapi_switches.h"
 147 #include "ui/base/l10n/l10n_util.h"
 148 #include "ui/base/resource/resource_bundle.h"
 149 #include "ui/message_center/message_center_util.h"
 150 #include "webkit/browser/fileapi/external_mount_points.h"
 151 #include "webkit/common/webpreferences.h"
 152
 153 #if defined(OS_WIN)
 154 #include "chrome/browser/chrome_browser_main_win.h"
 155 #include "sandbox/win/src/sandbox_policy.h"
 156 #elif defined(OS_MACOSX)
 157 #include "chrome/browser/chrome_browser_main_mac.h"
 158 #include "chrome/browser/spellchecker/spellcheck_message_filter_mac.h"
 159 #include "components/breakpad/app/breakpad_mac.h"
 160 #elif defined(OS_CHROMEOS)
 161 #include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
 162 #include "chrome/browser/chromeos/drive/file_system_backend_delegate.h"
 163 #include "chrome/browser/chromeos/fileapi/file_system_backend.h"
 164 #include "chrome/browser/chromeos/login/startup_utils.h"
 165 #include "chrome/browser/chromeos/login/user_manager.h"
 166 #include "chrome/browser/chromeos/system/input_device_settings.h"
 167 #include "chromeos/chromeos_switches.h"
 168 #elif defined(OS_LINUX)
 169 #include "chrome/browser/chrome_browser_main_linux.h"
 170 #elif defined(OS_ANDROID)
 171 #include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
 172 #include "chrome/browser/chrome_browser_main_android.h"
 173 #include "chrome/browser/media/encrypted_media_message_filter_android.h"
 174 #include "chrome/common/descriptors_android.h"
 175 #include "components/breakpad/browser/crash_dump_manager_android.h"
 176 #elif defined(OS_POSIX)
 177 #include "chrome/browser/chrome_browser_main_posix.h"
 178 #endif
 179
 180 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 181 #include "base/debug/leak_annotations.h"
 182 #include "base/linux_util.h"
 183 #include "components/breakpad/app/breakpad_linux.h"
 184 #include "components/breakpad/browser/crash_handler_host_linux.h"
 185 #endif
 186
 187 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
 188 #include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
 189 #endif
 190
 191 #if defined(OS_ANDROID)
 192 #include "ui/base/ui_base_paths.h"
 193 #include "ui/gfx/android/device_display_info.h"
 194 #endif
 195
 196 #if !defined(OS_CHROMEOS)
 197 #include "chrome/browser/signin/signin_manager.h"
 198 #include "chrome/browser/signin/signin_manager_factory.h"
 199 #endif
 200
 201 #if !defined(OS_ANDROID)
 202 #include "chrome/browser/media_galleries/fileapi/media_file_system_backend.h"
 203 #endif
 204
 205 #if defined(ENABLE_WEBRTC)
 206 #include "chrome/browser/media/webrtc_logging_handler_host.h"
 207 #endif
 208
 209 #if defined(ENABLE_INPUT_SPEECH)
 210 #include "chrome/browser/speech/chrome_speech_recognition_manager_delegate_bubble_ui.h"
 211 #endif
 212
 213 #if defined(FILE_MANAGER_EXTENSION)
 214 #include "chrome/browser/chromeos/file_manager/app_id.h"
 215 #endif
 216
 217 #if defined(TOOLKIT_GTK)
 218 #include "chrome/browser/ui/gtk/chrome_browser_main_extra_parts_gtk.h"
 219 #endif
 220
 221 #if defined(TOOLKIT_VIEWS)
 222 #include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
 223 #endif
 224
 225 #if defined(USE_ASH)
 226 #include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
 227 #endif
 228
 229 #if defined(USE_AURA)
 230 #include "chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.h"
 231 #endif
 232
 233 #if defined(USE_X11)
 234 #include "chrome/browser/chrome_browser_main_extra_parts_x11.h"
 235 #endif
 236
 237 #if defined(ENABLE_SPELLCHECK)
 238 #include "chrome/browser/spellchecker/spellcheck_message_filter.h"
 239 #endif
 240
 241 using blink::WebWindowFeatures;
 242 using base::FileDescriptor;
 243 using content::AccessTokenStore;
 244 using content::BrowserChildProcessHostIterator;
 245 using content::BrowserThread;
 246 using content::BrowserURLHandler;
 247 using content::ChildProcessSecurityPolicy;
 248 using content::FileDescriptorInfo;
 249 using content::QuotaPermissionContext;
 250 using content::RenderViewHost;
 251 using content::SiteInstance;
 252 using content::WebContents;
 253 using extensions::APIPermission;
 254 using extensions::Extension;
 255 using extensions::InfoMap;
 256 using extensions::Manifest;
 257 using message_center::NotifierId;
 258
 259 namespace {
 260
 261 // Cached version of the locale so we can return the locale on the I/O
 262 // thread.
 263 base::LazyInstance<std::string> g_io_thread_application_locale;
 264
 265 #if defined(ENABLE_PLUGINS)
 266 const char* kPredefinedAllowedFileHandleOrigins[] = {
 267   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 268   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/234789
 269 };
 270
 271 const char* kPredefinedAllowedSocketOrigins[] = {
 272   "okddffdblfhhnmhodogpojmfkjmhinfp",  // Test SSH Client
 273   "pnhechapfaindjhompbnflcldabbghjo",  // HTerm App (SSH Client)
 274   "bglhmjfplikpjnfoegeomebmfnkjomhe",  // see crbug.com/122126
 275   "gbchcmhmhahfdphkhkmpfmihenigjmpp",  // Chrome Remote Desktop
 276   "kgngmbheleoaphbjbaiobfdepmghbfah",  // Pre-release Chrome Remote Desktop
 277   "odkaodonbgfohohmklejpjiejmcipmib",  // Dogfood Chrome Remote Desktop
 278   "ojoimpklfciegopdfgeenehpalipignm",  // Chromoting canary
 279   "cbkkbcmdlboombapidmoeolnmdacpkch",  // see crbug.com/129089
 280   "hhnbmknkdabfoieppbbljkhkfjcmcbjh",  // see crbug.com/134099
 281   "mablfbjkhmhkmefkjjacnbaikjkipphg",  // see crbug.com/134099
 282   "pdeelgamlgannhelgoegilelnnojegoh",  // see crbug.com/134099
 283   "cabapfdbkniadpollkckdnedaanlciaj",  // see crbug.com/134099
 284   "mapljbgnjledlpdmlchihnmeclmefbba",  // see crbug.com/134099
 285   "ghbfeebgmiidnnmeobbbaiamklmpbpii",  // see crbug.com/134099
 286   "jdfhpkjeckflbbleddjlpimecpbjdeep",  // see crbug.com/142514
 287   "iabmpiboiopbgfabjmgeedhcmjenhbla",  // see crbug.com/165080
 288   "B7CF8A292249681AF81771650BA4CEEAF19A4560",  // see crbug.com/165080
 289   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 290   "4EB74897CB187C7633357C2FE832E0AD6A44883A",  // see crbug.com/234789
 291   "7525AF4F66763A70A883C4700529F647B470E4D2",  // see crbug.com/238084
 292   "0B549507088E1564D672F7942EB87CA4DAD73972",  // see crbug.com/238084
 293   "864288364E239573E777D3E0E36864E590E95C74"   // see crbug.com/238084
 294 };
 295 #endif
 296
 297 // Returns a copy of the given url with its host set to given host and path set
 298 // to given path. Other parts of the url will be the same.
 299 GURL ReplaceURLHostAndPath(const GURL& url,
 300                            const std::string& host,
 301                            const std::string& path) {
 302   url_canon::Replacements<char> replacements;
 303   replacements.SetHost(host.c_str(),
 304                        url_parse::Component(0, host.length()));
 305   replacements.SetPath(path.c_str(),
 306                        url_parse::Component(0, path.length()));
 307   return url.ReplaceComponents(replacements);
 308 }
 309
 310 // Maps "foo://bar/baz/" to "foo://chrome/bar/baz/".
 311 GURL AddUberHost(const GURL& url) {
 312   const std::string uber_host = chrome::kChromeUIUberHost;
 313   const std::string new_path = url.host() + url.path();
 314
 315   return ReplaceURLHostAndPath(url, uber_host, new_path);
 316 }
 317
 318 // If url->host() is "chrome" and url->path() has characters other than the
 319 // first slash, changes the url from "foo://chrome/bar/" to "foo://bar/" and
 320 // returns true. Otherwise returns false.
 321 bool RemoveUberHost(GURL* url) {
 322   if (url->host() != chrome::kChromeUIUberHost)
 323     return false;
 324
 325   if (url->path().empty() || url->path() == "/")
 326     return false;
 327
 328   const std::string old_path = url->path();
 329
 330   const std::string::size_type separator = old_path.find('/', 1);
 331   std::string new_host;
 332   std::string new_path;
 333   if (separator == std::string::npos) {
 334     new_host = old_path.substr(1);
 335   } else {
 336     new_host = old_path.substr(1, separator - 1);
 337     new_path = old_path.substr(separator);
 338   }
 339
 340   // Do not allow URLs with paths empty before the first slash since we can't
 341   // have an empty host. (e.g "foo://chrome//")
 342   if (new_host.empty())
 343     return false;
 344
 345   *url = ReplaceURLHostAndPath(*url, new_host, new_path);
 346
 347   DCHECK(url->is_valid());
 348
 349   return true;
 350 }
 351
 352 // Handles rewriting Web UI URLs.
 353 bool HandleWebUI(GURL* url, content::BrowserContext* browser_context) {
 354   // Do not handle special URLs such as "about:foo"
 355   if (!url->host().empty()) {
 356     const GURL chrome_url = AddUberHost(*url);
 357
 358     // Handle valid "chrome://chrome/foo" URLs so the reverse handler will
 359     // be called.
 360     if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 361             browser_context, chrome_url))
 362       return true;
 363   }
 364
 365   if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 366           browser_context, *url))
 367     return false;
 368
 369 #if defined(OS_CHROMEOS)
 370   // Special case : in ChromeOS in Guest mode bookmarks and history are
 371   // disabled for security reasons. New tab page explains the reasons, so
 372   // we redirect user to new tab page.
 373   if (chromeos::UserManager::Get()->IsLoggedInAsGuest()) {
 374     if (url->SchemeIs(chrome::kChromeUIScheme) &&
 375         (url->DomainIs(chrome::kChromeUIBookmarksHost) ||
 376 #if defined(ENABLE_ENHANCED_BOOKMARKS)
 377          url->DomainIs(chrome::kChromeUIEnhancedBookmarksHost) ||
 378 #endif
 379          url->DomainIs(chrome::kChromeUIHistoryHost))) {
 380       // Rewrite with new tab URL
 381       *url = GURL(chrome::kChromeUINewTabURL);
 382     }
 383   }
 384 #endif
 385
 386   return true;
 387 }
 388
 389 // Reverse URL handler for Web UI. Maps "chrome://chrome/foo/" to
 390 // "chrome://foo/".
 391 bool HandleWebUIReverse(GURL* url, content::BrowserContext* browser_context) {
 392   if (!url->is_valid() || !url->SchemeIs(chrome::kChromeUIScheme))
 393     return false;
 394
 395   return RemoveUberHost(url);
 396 }
 397
 398 // Used by the GetPrivilegeRequiredByUrl() and GetProcessPrivilege() functions
 399 // below.  Extension, and isolated apps require different privileges to be
 400 // granted to their RenderProcessHosts.  This classification allows us to make
 401 // sure URLs are served by hosts with the right set of privileges.
 402 enum RenderProcessHostPrivilege {
 403   PRIV_NORMAL,
 404   PRIV_HOSTED,
 405   PRIV_ISOLATED,
 406   PRIV_EXTENSION,
 407 };
 408
 409 RenderProcessHostPrivilege GetPrivilegeRequiredByUrl(
 410     const GURL& url,
 411     ExtensionService* service) {
 412   // Default to a normal renderer cause it is lower privileged. This should only
 413   // occur if the URL on a site instance is either malformed, or uninitialized.
 414   // If it is malformed, then there is no need for better privileges anyways.
 415   // If it is uninitialized, but eventually settles on being an a scheme other
 416   // than normal webrenderer, the navigation logic will correct us out of band
 417   // anyways.
 418   if (!url.is_valid())
 419     return PRIV_NORMAL;
 420
 421   if (url.SchemeIs(extensions::kExtensionScheme)) {
 422     const Extension* extension =
 423         service->extensions()->GetByID(url.host());
 424     if (extension &&
 425         extensions::AppIsolationInfo::HasIsolatedStorage(extension))
 426       return PRIV_ISOLATED;
 427     if (extension && extension->is_hosted_app())
 428       return PRIV_HOSTED;
 429
 430     return PRIV_EXTENSION;
 431   }
 432
 433   return PRIV_NORMAL;
 434 }
 435
 436 RenderProcessHostPrivilege GetProcessPrivilege(
 437     content::RenderProcessHost* process_host,
 438     extensions::ProcessMap* process_map,
 439     ExtensionService* service) {
 440   std::set<std::string> extension_ids =
 441       process_map->GetExtensionsInProcess(process_host->GetID());
 442   if (extension_ids.empty())
 443     return PRIV_NORMAL;
 444
 445   for (std::set<std::string>::iterator iter = extension_ids.begin();
 446        iter != extension_ids.end(); ++iter) {
 447     const Extension* extension = service->GetExtensionById(*iter, false);
 448     if (extension &&
 449         extensions::AppIsolationInfo::HasIsolatedStorage(extension))
 450       return PRIV_ISOLATED;
 451     if (extension && extension->is_hosted_app())
 452       return PRIV_HOSTED;
 453   }
 454
 455   return PRIV_EXTENSION;
 456 }
 457
 458 bool CertMatchesFilter(const net::X509Certificate& cert,
 459                        const base::DictionaryValue& filter) {
 460   // TODO(markusheintz): This is the minimal required filter implementation.
 461   // Implement a better matcher.
 462
 463   // An empty filter matches any client certificate since no requirements are
 464   // specified at all.
 465   if (filter.empty())
 466     return true;
 467
 468   std::string common_name;
 469   if (filter.GetString("ISSUER.CN", &common_name) &&
 470       (cert.issuer().common_name == common_name)) {
 471     return true;
 472   }
 473   return false;
 474 }
 475
 476 #if !defined(OS_ANDROID)
 477 // Fills |map| with the per-script font prefs under path |map_name|.
 478 void FillFontFamilyMap(const PrefService* prefs,
 479                        const char* map_name,
 480                        webkit_glue::ScriptFontFamilyMap* map) {
 481   // TODO: Get rid of the brute-force scan over possible (font family / script)
 482   // combinations - see http://crbug.com/308095.
 483   for (size_t i = 0; i < prefs::kWebKitScriptsForFontFamilyMapsLength; ++i) {
 484     const char* script = prefs::kWebKitScriptsForFontFamilyMaps[i];
 485     std::string pref_name = base::StringPrintf("%s.%s", map_name, script);
 486     std::string font_family = prefs->GetString(pref_name.c_str());
 487     if (!font_family.empty())
 488       (*map)[script] = base::UTF8ToUTF16(font_family);
 489   }
 490 }
 491
 492 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 493 breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
 494     const std::string& process_type) {
 495   base::FilePath dumps_path;
 496   PathService::Get(chrome::DIR_CRASH_DUMPS, &dumps_path);
 497   {
 498     ANNOTATE_SCOPED_MEMORY_LEAK;
 499     breakpad::CrashHandlerHostLinux* crash_handler =
 500         new breakpad::CrashHandlerHostLinux(
 501             process_type, dumps_path, getenv(env_vars::kHeadless) == NULL);
 502     crash_handler->StartUploaderThread();
 503     return crash_handler;
 504   }
 505 }
 506
 507 int GetCrashSignalFD(const CommandLine& command_line) {
 508   if (command_line.HasSwitch(extensions::switches::kExtensionProcess)) {
 509     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 510     if (!crash_handler)
 511       crash_handler = CreateCrashHandlerHost("extension");
 512     return crash_handler->GetDeathSignalSocket();
 513   }
 514
 515   std::string process_type =
 516       command_line.GetSwitchValueASCII(switches::kProcessType);
 517
 518   if (process_type == switches::kRendererProcess) {
 519     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 520     if (!crash_handler)
 521       crash_handler = CreateCrashHandlerHost(process_type);
 522     return crash_handler->GetDeathSignalSocket();
 523   }
 524
 525   if (process_type == switches::kPluginProcess) {
 526     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 527     if (!crash_handler)
 528       crash_handler = CreateCrashHandlerHost(process_type);
 529     return crash_handler->GetDeathSignalSocket();
 530   }
 531
 532   if (process_type == switches::kPpapiPluginProcess) {
 533     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 534     if (!crash_handler)
 535       crash_handler = CreateCrashHandlerHost(process_type);
 536     return crash_handler->GetDeathSignalSocket();
 537   }
 538
 539   if (process_type == switches::kGpuProcess) {
 540     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 541     if (!crash_handler)
 542       crash_handler = CreateCrashHandlerHost(process_type);
 543     return crash_handler->GetDeathSignalSocket();
 544   }
 545
 546   return -1;
 547 }
 548 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
 549 #endif  // !defined(OS_ANDROID)
 550
 551 #if !defined(OS_CHROMEOS)
 552 GURL GetEffectiveURLForSignin(const GURL& url) {
 553   CHECK(SigninManager::IsWebBasedSigninFlowURL(url));
 554
 555   GURL effective_url(SigninManager::kChromeSigninEffectiveSite);
 556   // Copy the path because the argument to SetPathStr must outlive
 557   // the Replacements object.
 558   const std::string path_copy(url.path());
 559   GURL::Replacements replacements;
 560   replacements.SetPathStr(path_copy);
 561   effective_url = effective_url.ReplaceComponents(replacements);
 562   return effective_url;
 563 }
 564 #endif
 565
 566 void SetApplicationLocaleOnIOThread(const std::string& locale) {
 567   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 568   g_io_thread_application_locale.Get() = locale;
 569 }
 570
 571 void HandleBlockedPopupOnUIThread(const BlockedWindowParams& params) {
 572   WebContents* tab = tab_util::GetWebContentsByID(params.render_process_id(),
 573                                                   params.opener_id());
 574   if (!tab)
 575     return;
 576
 577   prerender::PrerenderContents* prerender_contents =
 578       prerender::PrerenderContents::FromWebContents(tab);
 579   if (prerender_contents) {
 580     prerender_contents->Destroy(prerender::FINAL_STATUS_CREATE_NEW_WINDOW);
 581     return;
 582   }
 583
 584   PopupBlockerTabHelper* popup_helper =
 585       PopupBlockerTabHelper::FromWebContents(tab);
 586   if (!popup_helper)
 587     return;
 588   popup_helper->AddBlockedPopup(params);
 589 }
 590
 591 #if defined(OS_ANDROID)
 592
 593 void HandleSingleTabModeBlockOnUIThread(const BlockedWindowParams& params) {
 594   WebContents* web_contents =
 595       tab_util::GetWebContentsByID(params.render_process_id(),
 596                                    params.opener_id());
 597   if (!web_contents)
 598     return;
 599
 600   SingleTabModeTabHelper::FromWebContents(web_contents)->HandleOpenUrl(params);
 601 }
 602
 603 float GetDeviceScaleAdjustment() {
 604   static const float kMinFSM = 1.05f;
 605   static const int kWidthForMinFSM = 320;
 606   static const float kMaxFSM = 1.3f;
 607   static const int kWidthForMaxFSM = 800;
 608
 609   gfx::DeviceDisplayInfo info;
 610   int minWidth = info.GetSmallestDIPWidth();
 611
 612   if (minWidth <= kWidthForMinFSM)
 613     return kMinFSM;
 614   if (minWidth >= kWidthForMaxFSM)
 615     return kMaxFSM;
 616
 617   // The font scale multiplier varies linearly between kMinFSM and kMaxFSM.
 618   float ratio = static_cast<float>(minWidth - kWidthForMinFSM) /
 619       (kWidthForMaxFSM - kWidthForMinFSM);
 620   return ratio * (kMaxFSM - kMinFSM) + kMinFSM;
 621 }
 622
 623 #endif  // defined(OS_ANDROID)
 624
 625 }  // namespace
 626
 627 namespace chrome {
 628
 629 ChromeContentBrowserClient::ChromeContentBrowserClient() {
 630 #if defined(ENABLE_PLUGINS)
 631   for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
 632     allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
 633   for (size_t i = 0; i < arraysize(kPredefinedAllowedSocketOrigins); ++i)
 634     allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
 635 #endif
 636
 637   permissions_policy_delegate_.reset(
 638       new extensions::BrowserPermissionsPolicyDelegate());
 639 }
 640
 641 ChromeContentBrowserClient::~ChromeContentBrowserClient() {
 642 }
 643
 644 // static
 645 void ChromeContentBrowserClient::RegisterProfilePrefs(
 646     user_prefs::PrefRegistrySyncable* registry) {
 647   registry->RegisterBooleanPref(
 648       prefs::kDisable3DAPIs,
 649       false,
 650       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 651   registry->RegisterBooleanPref(
 652       prefs::kEnableHyperlinkAuditing,
 653       true,
 654       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 655   registry->RegisterBooleanPref(
 656       prefs::kEnableMemoryInfo,
 657       false,
 658       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 659 }
 660
 661 // static
 662 void ChromeContentBrowserClient::SetApplicationLocale(
 663     const std::string& locale) {
 664   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 665
 666   // This object is guaranteed to outlive all threads so we don't have to
 667   // worry about the lack of refcounting and can just post as Unretained.
 668   //
 669   // The common case is that this function is called early in Chrome startup
 670   // before any threads are created (it will also be called later if the user
 671   // changes the pref). In this case, there will be no threads created and
 672   // posting will fail. When there are no threads, we can just set the string
 673   // without worrying about threadsafety.
 674   if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
 675           base::Bind(&SetApplicationLocaleOnIOThread, locale))) {
 676     g_io_thread_application_locale.Get() = locale;
 677   }
 678 }
 679
 680 content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
 681     const content::MainFunctionParams& parameters) {
 682   ChromeBrowserMainParts* main_parts;
 683   // Construct the Main browser parts based on the OS type.
 684 #if defined(OS_WIN)
 685   main_parts = new ChromeBrowserMainPartsWin(parameters);
 686 #elif defined(OS_MACOSX)
 687   main_parts = new ChromeBrowserMainPartsMac(parameters);
 688 #elif defined(OS_CHROMEOS)
 689   main_parts = new chromeos::ChromeBrowserMainPartsChromeos(parameters);
 690 #elif defined(OS_LINUX)
 691   main_parts = new ChromeBrowserMainPartsLinux(parameters);
 692 #elif defined(OS_ANDROID)
 693   main_parts = new ChromeBrowserMainPartsAndroid(parameters);
 694 #elif defined(OS_POSIX)
 695   main_parts = new ChromeBrowserMainPartsPosix(parameters);
 696 #else
 697   NOTREACHED();
 698   main_parts = new ChromeBrowserMainParts(parameters);
 699 #endif
 700
 701   chrome::AddProfilesExtraParts(main_parts);
 702
 703   // Construct additional browser parts. Stages are called in the order in
 704   // which they are added.
 705 #if defined(TOOLKIT_GTK)
 706   main_parts->AddParts(new ChromeBrowserMainExtraPartsGtk());
 707 #endif
 708
 709 #if defined(TOOLKIT_VIEWS)
 710   main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
 711 #endif
 712
 713 #if defined(USE_ASH)
 714   main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
 715 #endif
 716
 717 #if defined(USE_AURA)
 718   main_parts->AddParts(new ChromeBrowserMainExtraPartsAura());
 719 #endif
 720
 721 #if defined(USE_X11)
 722   main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
 723 #endif
 724
 725   chrome::AddMetricsExtraParts(main_parts);
 726
 727   return main_parts;
 728 }
 729
 730 std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
 731     content::BrowserContext* browser_context,
 732     const GURL& site) {
 733   std::string partition_id;
 734
 735   // The partition ID for webview guest processes is the string value of its
 736   // SiteInstance URL - "chrome-guest://app_id/persist?partition".
 737   if (site.SchemeIs(content::kGuestScheme))
 738     partition_id = site.spec();
 739
 740   DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
 741   return partition_id;
 742 }
 743
 744 bool ChromeContentBrowserClient::IsValidStoragePartitionId(
 745     content::BrowserContext* browser_context,
 746     const std::string& partition_id) {
 747   // The default ID is empty and is always valid.
 748   if (partition_id.empty())
 749     return true;
 750
 751   return GURL(partition_id).is_valid();
 752 }
 753
 754 void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
 755     content::BrowserContext* browser_context,
 756     const GURL& site,
 757     bool can_be_default,
 758     std::string* partition_domain,
 759     std::string* partition_name,
 760     bool* in_memory) {
 761   // Default to the browser-wide storage partition and override based on |site|
 762   // below.
 763   partition_domain->clear();
 764   partition_name->clear();
 765   *in_memory = false;
 766
 767   bool success = GuestView::GetGuestPartitionConfigForSite(
 768       site, partition_domain, partition_name, in_memory);
 769
 770   if (!success && site.SchemeIs(extensions::kExtensionScheme)) {
 771     // If |can_be_default| is false, the caller is stating that the |site|
 772     // should be parsed as if it had isolated storage. In particular it is
 773     // important to NOT check ExtensionService for the is_storage_isolated()
 774     // attribute because this code path is run during Extension uninstall
 775     // to do cleanup after the Extension has already been unloaded from the
 776     // ExtensionService.
 777     bool is_isolated = !can_be_default;
 778     if (can_be_default) {
 779       const Extension* extension = NULL;
 780       Profile* profile = Profile::FromBrowserContext(browser_context);
 781       ExtensionService* extension_service =
 782           extensions::ExtensionSystem::Get(profile)->extension_service();
 783       if (extension_service) {
 784         extension =
 785             extension_service->extensions()->GetExtensionOrAppByURL(site);
 786         if (extension &&
 787             extensions::AppIsolationInfo::HasIsolatedStorage(extension)) {
 788           is_isolated = true;
 789         }
 790       }
 791     }
 792
 793     if (is_isolated) {
 794       CHECK(site.has_host());
 795       // For extensions with isolated storage, the the host of the |site| is
 796       // the |partition_domain|. The |in_memory| and |partition_name| are only
 797       // used in guest schemes so they are cleared here.
 798       *partition_domain = site.host();
 799       *in_memory = false;
 800       partition_name->clear();
 801     }
 802   }
 803
 804   // Assert that if |can_be_default| is false, the code above must have found a
 805   // non-default partition.  If this fails, the caller has a serious logic
 806   // error about which StoragePartition they expect to be in and it is not
 807   // safe to continue.
 808   CHECK(can_be_default || !partition_domain->empty());
 809 }
 810
 811 content::WebContentsViewDelegate*
 812     ChromeContentBrowserClient::GetWebContentsViewDelegate(
 813         content::WebContents* web_contents) {
 814   return chrome::CreateWebContentsViewDelegate(web_contents);
 815 }
 816
 817 void ChromeContentBrowserClient::GuestWebContentsCreated(
 818     SiteInstance* guest_site_instance,
 819     WebContents* guest_web_contents,
 820     WebContents* opener_web_contents,
 821     content::BrowserPluginGuestDelegate** guest_delegate,
 822     scoped_ptr<base::DictionaryValue> extra_params) {
 823   if (!guest_site_instance) {
 824     NOTREACHED();
 825     return;
 826   }
 827   GURL guest_site_url = guest_site_instance->GetSiteURL();
 828   const std::string& extension_id = guest_site_url.host();
 829
 830   Profile* profile = Profile::FromBrowserContext(
 831       guest_web_contents->GetBrowserContext());
 832   ExtensionService* service =
 833       extensions::ExtensionSystem::Get(profile)->extension_service();
 834   if (!service) {
 835     NOTREACHED();
 836     return;
 837   }
 838
 839   /// TODO(fsamuel): In the future, certain types of GuestViews won't require
 840   // extension bindings. At that point, we should clear |extension_id| instead
 841   // of exiting early.
 842   if (!service->GetExtensionById(extension_id, false) &&
 843       !CommandLine::ForCurrentProcess()->HasSwitch(
 844           switches::kEnableBrowserPluginForAllViewTypes)) {
 845     NOTREACHED();
 846     return;
 847   }
 848
 849   if (opener_web_contents) {
 850     GuestView* guest = GuestView::FromWebContents(opener_web_contents);
 851     if (!guest) {
 852       NOTREACHED();
 853       return;
 854     }
 855
 856     // Create a new GuestView of the same type as the opener.
 857     *guest_delegate =
 858         GuestView::Create(guest_web_contents,
 859                           extension_id,
 860                           guest->GetViewType());
 861     return;
 862   }
 863
 864   if (!extra_params) {
 865     NOTREACHED();
 866     return;
 867   }
 868   std::string api_type;
 869   extra_params->GetString(guestview::kParameterApi, &api_type);
 870
 871   if (api_type.empty())
 872     return;
 873
 874   *guest_delegate =
 875       GuestView::Create(guest_web_contents,
 876                         extension_id,
 877                         GuestView::GetViewTypeFromString(api_type));
 878 }
 879
 880 void ChromeContentBrowserClient::GuestWebContentsAttached(
 881     WebContents* guest_web_contents,
 882     WebContents* embedder_web_contents,
 883     const base::DictionaryValue& extra_params) {
 884
 885   GuestView* guest = GuestView::FromWebContents(guest_web_contents);
 886   if (!guest) {
 887     // It's ok to return here, since we could be running a browser plugin
 888     // outside an extension, and don't need to attach a
 889     // BrowserPluginGuestDelegate in that case;
 890     // e.g. running with flag --enable-browser-plugin-for-all-view-types.
 891     return;
 892   }
 893   guest->Attach(embedder_web_contents, extra_params);
 894 }
 895
 896 void ChromeContentBrowserClient::RenderProcessWillLaunch(
 897     content::RenderProcessHost* host) {
 898   int id = host->GetID();
 899   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
 900   net::URLRequestContextGetter* context =
 901       profile->GetRequestContextForRenderProcess(id);
 902
 903   host->AddFilter(new ChromeRenderMessageFilter(id, profile, context));
 904 #if defined(ENABLE_PLUGINS)
 905   host->AddFilter(new PluginInfoMessageFilter(id, profile));
 906 #endif
 907 #if defined(ENABLE_PRINTING)
 908   host->AddFilter(new PrintingMessageFilter(id, profile));
 909 #endif
 910   host->AddFilter(new SearchProviderInstallStateMessageFilter(id, profile));
 911 #if defined(ENABLE_SPELLCHECK)
 912   host->AddFilter(new SpellCheckMessageFilter(id));
 913 #endif
 914 #if defined(OS_MACOSX)
 915   host->AddFilter(new SpellCheckMessageFilterMac(id));
 916 #endif
 917   host->AddFilter(new ChromeNetBenchmarkingMessageFilter(
 918       id, profile, context));
 919   host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
 920   host->AddFilter(new TtsMessageFilter(id, profile));
 921 #if defined(ENABLE_WEBRTC)
 922   WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
 923       new WebRtcLoggingHandlerHost(profile);
 924   host->AddFilter(webrtc_logging_handler_host);
 925   host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
 926       webrtc_logging_handler_host));
 927 #endif
 928 #if !defined(DISABLE_NACL)
 929   host->AddFilter(new nacl::NaClHostMessageFilter(
 930       id, profile->IsOffTheRecord(),
 931       profile->GetPath(),
 932       context));
 933 #endif
 934 #if defined(OS_ANDROID)
 935   host->AddFilter(new EncryptedMediaMessageFilterAndroid());
 936 #endif
 937   if (switches::IsNewProfileManagement())
 938     host->AddFilter(new PrincipalsMessageFilter(id));
 939
 940   host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
 941       profile->IsOffTheRecord()));
 942
 943   SendExtensionWebRequestStatusToHost(host);
 944
 945   RendererContentSettingRules rules;
 946   if (host->IsGuest()) {
 947     GuestView::GetDefaultContentSettingRules(&rules, profile->IsOffTheRecord());
 948   } else {
 949     GetRendererContentSettingRules(
 950         profile->GetHostContentSettingsMap(), &rules);
 951   }
 952   host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
 953 }
 954
 955 GURL ChromeContentBrowserClient::GetEffectiveURL(
 956     content::BrowserContext* browser_context, const GURL& url) {
 957   Profile* profile = Profile::FromBrowserContext(browser_context);
 958   if (!profile)
 959     return url;
 960
 961   // If the input |url| should be assigned to the Instant renderer, make its
 962   // effective URL distinct from other URLs on the search provider's domain.
 963   if (chrome::ShouldAssignURLToInstantRenderer(url, profile))
 964     return chrome::GetEffectiveURLForInstant(url, profile);
 965
 966 #if !defined(OS_CHROMEOS)
 967   // If the input |url| should be assigned to the Signin renderer, make its
 968   // effective URL distinct from other URLs on the signin service's domain.
 969   // Note that the signin renderer will be allowed to sign the user in to
 970   // Chrome.
 971   if (SigninManager::IsWebBasedSigninFlowURL(url))
 972     return GetEffectiveURLForSignin(url);
 973 #endif
 974
 975   // If the input |url| is part of an installed app, the effective URL is an
 976   // extension URL with the ID of that extension as the host. This has the
 977   // effect of grouping apps together in a common SiteInstance.
 978   ExtensionService* extension_service =
 979       extensions::ExtensionSystem::Get(profile)->extension_service();
 980   if (!extension_service)
 981     return url;
 982
 983   const Extension* extension = extension_service->extensions()->
 984       GetHostedAppByURL(url);
 985   if (!extension)
 986     return url;
 987
 988   // Bookmark apps do not use the hosted app process model, and should be
 989   // treated as normal URLs.
 990   if (extension->from_bookmark())
 991     return url;
 992
 993   // If the URL is part of an extension's web extent, convert it to an
 994   // extension URL.
 995   return extension->GetResourceURL(url.path());
 996 }
 997
 998 bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
 999     content::BrowserContext* browser_context, const GURL& effective_url) {
1000   // Non-extension, non-Instant URLs should generally use
1001   // process-per-site-instance.  Because we expect to use the effective URL,
1002   // URLs for hosted apps (apart from bookmark apps) should have an extension
1003   // scheme by now.
1004
1005   Profile* profile = Profile::FromBrowserContext(browser_context);
1006   if (!profile)
1007     return false;
1008
1009   if (chrome::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
1010     return true;
1011
1012 #if !defined(OS_CHROMEOS)
1013   if (SigninManager::IsWebBasedSigninFlowURL(effective_url))
1014     return true;
1015 #endif
1016
1017   if (!effective_url.SchemeIs(extensions::kExtensionScheme))
1018     return false;
1019
1020   ExtensionService* extension_service =
1021       extensions::ExtensionSystem::Get(profile)->extension_service();
1022   if (!extension_service)
1023     return false;
1024
1025   const Extension* extension =
1026       extension_service->extensions()->GetExtensionOrAppByURL(effective_url);
1027   if (!extension)
1028     return false;
1029
1030   // If the URL is part of a hosted app that does not have the background
1031   // permission, or that does not allow JavaScript access to the background
1032   // page, we want to give each instance its own process to improve
1033   // responsiveness.
1034   if (extension->GetType() == Manifest::TYPE_HOSTED_APP) {
1035     if (!extension->HasAPIPermission(APIPermission::kBackground) ||
1036         !extensions::BackgroundInfo::AllowJSAccess(extension)) {
1037       return false;
1038     }
1039   }
1040
1041   // Hosted apps that have script access to their background page must use
1042   // process per site, since all instances can make synchronous calls to the
1043   // background window.  Other extensions should use process per site as well.
1044   return true;
1045 }
1046
1047 // These are treated as WebUI schemes but do not get WebUI bindings.
1048 void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
1049     std::vector<std::string>* additional_schemes) {
1050   additional_schemes->push_back(chrome::kChromeSearchScheme);
1051 }
1052
1053 net::URLRequestContextGetter*
1054 ChromeContentBrowserClient::CreateRequestContext(
1055     content::BrowserContext* browser_context,
1056     content::ProtocolHandlerMap* protocol_handlers) {
1057   Profile* profile = Profile::FromBrowserContext(browser_context);
1058   return profile->CreateRequestContext(protocol_handlers);
1059 }
1060
1061 net::URLRequestContextGetter*
1062 ChromeContentBrowserClient::CreateRequestContextForStoragePartition(
1063     content::BrowserContext* browser_context,
1064     const base::FilePath& partition_path,
1065     bool in_memory,
1066     content::ProtocolHandlerMap* protocol_handlers) {
1067   Profile* profile = Profile::FromBrowserContext(browser_context);
1068   return profile->CreateRequestContextForStoragePartition(
1069       partition_path, in_memory, protocol_handlers);
1070 }
1071
1072 bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
1073   return ProfileIOData::IsHandledURL(url);
1074 }
1075
1076 bool ChromeContentBrowserClient::CanCommitURL(
1077     content::RenderProcessHost* process_host,
1078     const GURL& url) {
1079   // We need to let most extension URLs commit in any process, since this can
1080   // be allowed due to web_accessible_resources.  Most hosted app URLs may also
1081   // load in any process (e.g., in an iframe).  However, the Chrome Web Store
1082   // cannot be loaded in iframes and should never be requested outside its
1083   // process.
1084   Profile* profile =
1085       Profile::FromBrowserContext(process_host->GetBrowserContext());
1086   ExtensionService* service =
1087       extensions::ExtensionSystem::Get(profile)->extension_service();
1088   if (!service)
1089     return true;
1090   const Extension* new_extension =
1091       service->extensions()->GetExtensionOrAppByURL(url);
1092   if (new_extension &&
1093       new_extension->is_hosted_app() &&
1094       new_extension->id() == extension_misc::kWebStoreAppId &&
1095       !extensions::ProcessMap::Get(profile)->
1096           Contains(new_extension->id(), process_host->GetID())) {
1097     return false;
1098   }
1099
1100   return true;
1101 }
1102
1103 bool ChromeContentBrowserClient::ShouldAllowOpenURL(
1104     content::SiteInstance* site_instance, const GURL& url) {
1105   GURL from_url = site_instance->GetSiteURL();
1106   // Do not allow pages from the web or other extensions navigate to
1107   // non-web-accessible extension resources.
1108   if (url.SchemeIs(extensions::kExtensionScheme) &&
1109       (from_url.SchemeIsHTTPOrHTTPS() ||
1110           from_url.SchemeIs(extensions::kExtensionScheme))) {
1111     Profile* profile = Profile::FromBrowserContext(
1112         site_instance->GetProcess()->GetBrowserContext());
1113     ExtensionService* service =
1114         extensions::ExtensionSystem::Get(profile)->extension_service();
1115     if (!service)
1116       return true;
1117     const Extension* extension =
1118         service->extensions()->GetExtensionOrAppByURL(url);
1119     if (!extension)
1120       return true;
1121     const Extension* from_extension =
1122         service->extensions()->GetExtensionOrAppByURL(
1123             site_instance->GetSiteURL());
1124     if (from_extension && from_extension->id() == extension->id())
1125       return true;
1126
1127     if (!extensions::WebAccessibleResourcesInfo::IsResourceWebAccessible(
1128             extension, url.path()))
1129       return false;
1130   }
1131   return true;
1132 }
1133
1134 bool ChromeContentBrowserClient::IsSuitableHost(
1135     content::RenderProcessHost* process_host,
1136     const GURL& site_url) {
1137   Profile* profile =
1138       Profile::FromBrowserContext(process_host->GetBrowserContext());
1139   // This may be NULL during tests. In that case, just assume any site can
1140   // share any host.
1141   if (!profile)
1142     return true;
1143
1144   // Instant URLs should only be in the instant process and instant process
1145   // should only have Instant URLs.
1146   InstantService* instant_service =
1147       InstantServiceFactory::GetForProfile(profile);
1148   if (instant_service) {
1149     bool is_instant_process = instant_service->IsInstantProcess(
1150         process_host->GetID());
1151     bool should_be_in_instant_process =
1152         chrome::ShouldAssignURLToInstantRenderer(site_url, profile);
1153     if (is_instant_process || should_be_in_instant_process)
1154       return is_instant_process && should_be_in_instant_process;
1155   }
1156
1157 #if !defined(OS_CHROMEOS)
1158   SigninManager* signin_manager = SigninManagerFactory::GetForProfile(profile);
1159   if (signin_manager && signin_manager->IsSigninProcess(process_host->GetID()))
1160     return SigninManager::IsWebBasedSigninFlowURL(site_url);
1161 #endif
1162
1163   ExtensionService* service =
1164       extensions::ExtensionSystem::Get(profile)->extension_service();
1165   extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile);
1166
1167   // Don't allow the Task Manager to share a process with anything else.
1168   // Otherwise it can affect the renderers it is observing.
1169   // Note: we could create another RenderProcessHostPrivilege bucket for
1170   // this to allow multiple chrome://tasks instances to share, but that's
1171   // a very unlikely case without serious consequences.
1172   if (site_url.GetOrigin() == GURL(chrome::kChromeUITaskManagerURL).GetOrigin())
1173     return false;
1174
1175   // These may be NULL during tests. In that case, just assume any site can
1176   // share any host.
1177   if (!service || !process_map)
1178     return true;
1179
1180   // Otherwise, just make sure the process privilege matches the privilege
1181   // required by the site.
1182   RenderProcessHostPrivilege privilege_required =
1183       GetPrivilegeRequiredByUrl(site_url, service);
1184   return GetProcessPrivilege(process_host, process_map, service) ==
1185       privilege_required;
1186 }
1187
1188 // This function is trying to limit the amount of processes used by extensions
1189 // with background pages. It uses a globally set percentage of processes to
1190 // run such extensions and if the limit is exceeded, it returns true, to
1191 // indicate to the content module to group extensions together.
1192 bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
1193     content::BrowserContext* browser_context, const GURL& url) {
1194   // It has to be a valid URL for us to check for an extension.
1195   if (!url.is_valid())
1196     return false;
1197
1198   Profile* profile = Profile::FromBrowserContext(browser_context);
1199   ExtensionService* service = !profile ? NULL :
1200       extensions::ExtensionSystem::Get(profile)->extension_service();
1201   if (!service)
1202     return false;
1203
1204   // We have to have a valid extension with background page to proceed.
1205   const Extension* extension =
1206       service->extensions()->GetExtensionOrAppByURL(url);
1207   if (!extension)
1208     return false;
1209   if (!extensions::BackgroundInfo::HasBackgroundPage(extension))
1210     return false;
1211
1212   std::set<int> process_ids;
1213   size_t max_process_count =
1214       content::RenderProcessHost::GetMaxRendererProcessCount();
1215
1216   // Go through all profiles to ensure we have total count of extension
1217   // processes containing background pages, otherwise one profile can
1218   // starve the other.
1219   std::vector<Profile*> profiles = g_browser_process->profile_manager()->
1220       GetLoadedProfiles();
1221   for (size_t i = 0; i < profiles.size(); ++i) {
1222     extensions::ProcessManager* epm =
1223         extensions::ExtensionSystem::Get(profiles[i])->process_manager();
1224     for (extensions::ProcessManager::const_iterator iter =
1225              epm->background_hosts().begin();
1226          iter != epm->background_hosts().end(); ++iter) {
1227       const extensions::ExtensionHost* host = *iter;
1228       process_ids.insert(host->render_process_host()->GetID());
1229     }
1230   }
1231
1232   if (process_ids.size() >
1233       (max_process_count * chrome::kMaxShareOfExtensionProcesses)) {
1234     return true;
1235   }
1236
1237   return false;
1238 }
1239
1240 void ChromeContentBrowserClient::SiteInstanceGotProcess(
1241     SiteInstance* site_instance) {
1242   CHECK(site_instance->HasProcess());
1243
1244   Profile* profile = Profile::FromBrowserContext(
1245       site_instance->GetBrowserContext());
1246   if (!profile)
1247     return;
1248
1249   // Remember the ID of the Instant process to signal the renderer process
1250   // on startup in |AppendExtraCommandLineSwitches| below.
1251   if (chrome::ShouldAssignURLToInstantRenderer(
1252           site_instance->GetSiteURL(), profile)) {
1253     InstantService* instant_service =
1254         InstantServiceFactory::GetForProfile(profile);
1255     if (instant_service)
1256       instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
1257   }
1258
1259 #if !defined(OS_CHROMEOS)
1260   // We only expect there to be one signin process as we use process-per-site
1261   // for signin URLs. The signin process will be cleared from SigninManager
1262   // when the renderer is destroyed.
1263   if (SigninManager::IsWebBasedSigninFlowURL(site_instance->GetSiteURL())) {
1264     SigninManager* signin_manager =
1265         SigninManagerFactory::GetForProfile(profile);
1266     if (signin_manager)
1267       signin_manager->SetSigninProcess(site_instance->GetProcess()->GetID());
1268     BrowserThread::PostTask(
1269         BrowserThread::IO,
1270         FROM_HERE,
1271         base::Bind(&InfoMap::SetSigninProcess,
1272                    extensions::ExtensionSystem::Get(profile)->info_map(),
1273                    site_instance->GetProcess()->GetID()));
1274   }
1275 #endif
1276
1277   ExtensionService* service =
1278       extensions::ExtensionSystem::Get(profile)->extension_service();
1279   if (!service)
1280     return;
1281
1282   const Extension* extension = service->extensions()->GetExtensionOrAppByURL(
1283       site_instance->GetSiteURL());
1284   if (!extension)
1285     return;
1286
1287   extensions::ProcessMap::Get(profile)
1288       ->Insert(extension->id(),
1289                site_instance->GetProcess()->GetID(),
1290                site_instance->GetId());
1291
1292   BrowserThread::PostTask(
1293       BrowserThread::IO,
1294       FROM_HERE,
1295       base::Bind(&InfoMap::RegisterExtensionProcess,
1296                  extensions::ExtensionSystem::Get(profile)->info_map(),
1297                  extension->id(),
1298                  site_instance->GetProcess()->GetID(),
1299                  site_instance->GetId()));
1300 }
1301
1302 void ChromeContentBrowserClient::SiteInstanceDeleting(
1303     SiteInstance* site_instance) {
1304   if (!site_instance->HasProcess())
1305     return;
1306
1307   Profile* profile = Profile::FromBrowserContext(
1308       site_instance->GetBrowserContext());
1309   ExtensionService* service =
1310       extensions::ExtensionSystem::Get(profile)->extension_service();
1311   if (!service)
1312     return;
1313
1314   const Extension* extension = service->extensions()->GetExtensionOrAppByURL(
1315       site_instance->GetSiteURL());
1316   if (!extension)
1317     return;
1318
1319   extensions::ProcessMap::Get(profile)
1320       ->Remove(extension->id(),
1321                site_instance->GetProcess()->GetID(),
1322                site_instance->GetId());
1323
1324   BrowserThread::PostTask(
1325       BrowserThread::IO,
1326       FROM_HERE,
1327       base::Bind(&InfoMap::UnregisterExtensionProcess,
1328                  extensions::ExtensionSystem::Get(profile)->info_map(),
1329                  extension->id(),
1330                  site_instance->GetProcess()->GetID(),
1331                  site_instance->GetId()));
1332 }
1333
1334 bool ChromeContentBrowserClient::ShouldSwapBrowsingInstancesForNavigation(
1335     SiteInstance* site_instance,
1336     const GURL& current_url,
1337     const GURL& new_url) {
1338   // If we don't have an ExtensionService, then rely on the SiteInstance logic
1339   // in RenderFrameHostManager to decide when to swap.
1340   Profile* profile =
1341       Profile::FromBrowserContext(site_instance->GetBrowserContext());
1342   ExtensionService* service =
1343       extensions::ExtensionSystem::Get(profile)->extension_service();
1344   if (!service)
1345     return false;
1346
1347   // We must use a new BrowsingInstance (forcing a process swap and disabling
1348   // scripting by existing tabs) if one of the URLs is an extension and the
1349   // other is not the exact same extension.
1350   //
1351   // We ignore hosted apps here so that other tabs in their BrowsingInstance can
1352   // use postMessage with them.  (The exception is the Chrome Web Store, which
1353   // is a hosted app that requires its own BrowsingInstance.)  Navigations
1354   // to/from a hosted app will still trigger a SiteInstance swap in
1355   // RenderFrameHostManager.
1356   const Extension* current_extension =
1357       service->extensions()->GetExtensionOrAppByURL(current_url);
1358   if (current_extension &&
1359       current_extension->is_hosted_app() &&
1360       current_extension->id() != extension_misc::kWebStoreAppId)
1361     current_extension = NULL;
1362
1363   const Extension* new_extension =
1364       service->extensions()->GetExtensionOrAppByURL(new_url);
1365   if (new_extension &&
1366       new_extension->is_hosted_app() &&
1367       new_extension->id() != extension_misc::kWebStoreAppId)
1368     new_extension = NULL;
1369
1370   // First do a process check.  We should force a BrowsingInstance swap if the
1371   // current process doesn't know about new_extension, even if current_extension
1372   // is somehow the same as new_extension.
1373   extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile);
1374   if (new_extension &&
1375       site_instance->HasProcess() &&
1376       !process_map->Contains(
1377           new_extension->id(), site_instance->GetProcess()->GetID()))
1378     return true;
1379
1380   // Otherwise, swap BrowsingInstances if current_extension and new_extension
1381   // differ.
1382   return current_extension != new_extension;
1383 }
1384
1385 bool ChromeContentBrowserClient::ShouldSwapProcessesForRedirect(
1386     content::ResourceContext* resource_context, const GURL& current_url,
1387     const GURL& new_url) {
1388   ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context);
1389   return extensions::CrossesExtensionProcessBoundary(
1390       io_data->GetExtensionInfoMap()->extensions(),
1391       current_url, new_url, false);
1392 }
1393
1394 bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
1395   return !url.SchemeIs(chrome::kChromeNativeScheme);
1396 }
1397
1398 std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
1399     const std::string& alias_name) {
1400   return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
1401 }
1402
1403 void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
1404     CommandLine* command_line, int child_process_id) {
1405 #if defined(OS_POSIX)
1406   if (breakpad::IsCrashReporterEnabled()) {
1407     std::string enable_crash_reporter;
1408     GoogleUpdateSettings::GetMetricsId(&enable_crash_reporter);
1409 #if !defined(OS_MACOSX)
1410     enable_crash_reporter += "," + base::GetLinuxDistro();
1411 #endif
1412     command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1413         enable_crash_reporter);
1414   }
1415 #endif  // OS_POSIX
1416
1417   if (logging::DialogsAreSuppressed())
1418     command_line->AppendSwitch(switches::kNoErrorDialogs);
1419
1420   std::string process_type =
1421       command_line->GetSwitchValueASCII(switches::kProcessType);
1422   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1423
1424   static const char* const kCommonSwitchNames[] = {
1425     switches::kUserDataDir,  // Make logs go to the right file.
1426   };
1427   command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
1428                                  arraysize(kCommonSwitchNames));
1429
1430 #if defined(ENABLE_IPC_FUZZER)
1431   static const char* const kIpcFuzzerSwitches[] = {
1432     switches::kIpcFuzzerTestcase,
1433   };
1434   command_line->CopySwitchesFrom(browser_command_line, kIpcFuzzerSwitches,
1435                                  arraysize(kIpcFuzzerSwitches));
1436 #endif
1437
1438   if (process_type == switches::kRendererProcess) {
1439 #if defined(OS_CHROMEOS)
1440     const std::string& login_profile =
1441         browser_command_line.GetSwitchValueASCII(
1442             chromeos::switches::kLoginProfile);
1443     if (!login_profile.empty())
1444       command_line->AppendSwitchASCII(
1445           chromeos::switches::kLoginProfile, login_profile);
1446 #endif
1447
1448 #if defined(ENABLE_WEBRTC)
1449     if (VersionInfo::GetChannel() <= VersionInfo::CHANNEL_DEV) {
1450       static const char* const kWebRtcDevSwitchNames[] = {
1451         switches::kDisableWebRtcEncryption,
1452       };
1453       command_line->CopySwitchesFrom(browser_command_line,
1454                                      kWebRtcDevSwitchNames,
1455                                      arraysize(kWebRtcDevSwitchNames));
1456     }
1457 #endif
1458
1459     content::RenderProcessHost* process =
1460         content::RenderProcessHost::FromID(child_process_id);
1461     if (process) {
1462       Profile* profile = Profile::FromBrowserContext(
1463           process->GetBrowserContext());
1464
1465       if (extensions::ProcessMap::Get(profile)->Contains(process->GetID()))
1466         command_line->AppendSwitch(extensions::switches::kExtensionProcess);
1467
1468       PrefService* prefs = profile->GetPrefs();
1469       // Currently this pref is only registered if applied via a policy.
1470       if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
1471           prefs->GetBoolean(prefs::kDisable3DAPIs)) {
1472         // Turn this policy into a command line switch.
1473         command_line->AppendSwitch(switches::kDisable3DAPIs);
1474       }
1475
1476       // Disable client-side phishing detection in the renderer if it is
1477       // disabled in the Profile preferences or the browser process.
1478       if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
1479           !g_browser_process->safe_browsing_detection_service()) {
1480         command_line->AppendSwitch(
1481             switches::kDisableClientSidePhishingDetection);
1482       }
1483
1484       if (!prefs->GetBoolean(prefs::kPrintPreviewDisabled))
1485         command_line->AppendSwitch(switches::kRendererPrintPreview);
1486
1487       InstantService* instant_service =
1488           InstantServiceFactory::GetForProfile(profile);
1489       if (instant_service &&
1490           instant_service->IsInstantProcess(process->GetID()))
1491         command_line->AppendSwitch(switches::kInstantProcess);
1492
1493 #if !defined(OS_CHROMEOS)
1494       SigninManager* signin_manager =
1495           SigninManagerFactory::GetForProfile(profile);
1496       if (signin_manager && signin_manager->IsSigninProcess(process->GetID()))
1497         command_line->AppendSwitch(switches::kSigninProcess);
1498 #endif
1499     }
1500
1501     // Please keep this in alphabetical order.
1502     static const char* const kSwitchNames[] = {
1503       autofill::switches::kDisableInteractiveAutocomplete,
1504       autofill::switches::kDisablePasswordGeneration,
1505       autofill::switches::kEnableIgnoreAutocompleteOff,
1506       autofill::switches::kEnableInteractiveAutocomplete,
1507       autofill::switches::kEnablePasswordGeneration,
1508       autofill::switches::kNoAutofillNecessaryForPasswordGeneration,
1509       extensions::switches::kAllowHTTPBackgroundPage,
1510       extensions::switches::kAllowLegacyExtensionManifests,
1511       extensions::switches::kAllowScriptingGallery,
1512       extensions::switches::kEnableExperimentalExtensionApis,
1513       extensions::switches::kExtensionsOnChromeURLs,
1514       // TODO(victorhsieh): remove the following flag once we move PPAPI FileIO
1515       // to browser.
1516       switches::kAllowNaClFileHandleAPI,
1517       switches::kAppsCheckoutURL,
1518       switches::kAppsGalleryURL,
1519       switches::kCloudPrintServiceURL,
1520       switches::kDebugPrint,
1521       switches::kDisableBundledPpapiFlash,
1522       switches::kDisableExtensionsResourceWhitelist,
1523       switches::kDisablePnacl,
1524       switches::kDisableScriptedPrintThrottling,
1525       switches::kEnableAdview,
1526       switches::kEnableAdviewSrcAttribute,
1527       switches::kEnableAppWindowControls,
1528       switches::kEnableBenchmarking,
1529       switches::kEnableNaCl,
1530       switches::kEnableNetBenchmarking,
1531       switches::kEnableStreamlinedHostedApps,
1532       switches::kEnableWatchdog,
1533       switches::kMemoryProfiling,
1534       switches::kMessageLoopHistogrammer,
1535       switches::kNoJsRandomness,
1536       switches::kOutOfProcessPdf,
1537       switches::kPlaybackMode,
1538       switches::kPpapiFlashArgs,
1539       switches::kPpapiFlashInProcess,
1540       switches::kPpapiFlashPath,
1541       switches::kPpapiFlashVersion,
1542       switches::kProfilingAtStart,
1543       switches::kProfilingFile,
1544       switches::kProfilingFlush,
1545       switches::kRecordMode,
1546       switches::kSilentDumpOnDCHECK,
1547       switches::kWhitelistedExtensionID,
1548       translate::switches::kTranslateSecurityOrigin,
1549     };
1550
1551     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1552                                    arraysize(kSwitchNames));
1553   } else if (process_type == switches::kUtilityProcess) {
1554     static const char* const kSwitchNames[] = {
1555       extensions::switches::kAllowHTTPBackgroundPage,
1556       extensions::switches::kEnableExperimentalExtensionApis,
1557       extensions::switches::kExtensionsOnChromeURLs,
1558       switches::kWhitelistedExtensionID,
1559     };
1560
1561     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1562                                    arraysize(kSwitchNames));
1563   } else if (process_type == switches::kPluginProcess) {
1564     static const char* const kSwitchNames[] = {
1565 #if defined(OS_CHROMEOS)
1566       chromeos::switches::kLoginProfile,
1567 #endif
1568       switches::kMemoryProfiling,
1569       switches::kSilentDumpOnDCHECK,
1570     };
1571
1572     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1573                                    arraysize(kSwitchNames));
1574   } else if (process_type == switches::kZygoteProcess) {
1575     static const char* const kSwitchNames[] = {
1576       // Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
1577       switches::kDisableBundledPpapiFlash,
1578       switches::kPpapiFlashInProcess,
1579       switches::kPpapiFlashPath,
1580       switches::kPpapiFlashVersion,
1581     };
1582
1583     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1584                                    arraysize(kSwitchNames));
1585   } else if (process_type == switches::kGpuProcess) {
1586     // If --ignore-gpu-blacklist is passed in, don't send in crash reports
1587     // because GPU is expected to be unreliable.
1588     if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
1589         !command_line->HasSwitch(switches::kDisableBreakpad))
1590       command_line->AppendSwitch(switches::kDisableBreakpad);
1591   }
1592
1593   // The command line switch kEnableBenchmarking needs to be specified along
1594   // with the kEnableStatsTable switch to ensure that the stats table global
1595   // is initialized correctly.
1596   if (command_line->HasSwitch(switches::kEnableBenchmarking))
1597     DCHECK(command_line->HasSwitch(switches::kEnableStatsTable));
1598 }
1599
1600 std::string ChromeContentBrowserClient::GetApplicationLocale() {
1601   if (BrowserThread::CurrentlyOn(BrowserThread::IO))
1602     return g_io_thread_application_locale.Get();
1603   return g_browser_process->GetApplicationLocale();
1604 }
1605
1606 std::string ChromeContentBrowserClient::GetAcceptLangs(
1607     content::BrowserContext* context) {
1608   Profile* profile = Profile::FromBrowserContext(context);
1609   return profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
1610 }
1611
1612 gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
1613   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
1614   return rb.GetImageSkiaNamed(IDR_DEFAULT_FAVICON);
1615 }
1616
1617 bool ChromeContentBrowserClient::AllowAppCache(
1618     const GURL& manifest_url,
1619     const GURL& first_party,
1620     content::ResourceContext* context) {
1621   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1622   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1623   return io_data->GetCookieSettings()->
1624       IsSettingCookieAllowed(manifest_url, first_party);
1625 }
1626
1627 bool ChromeContentBrowserClient::AllowGetCookie(
1628     const GURL& url,
1629     const GURL& first_party,
1630     const net::CookieList& cookie_list,
1631     content::ResourceContext* context,
1632     int render_process_id,
1633     int render_frame_id) {
1634   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1635   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1636   bool allow = io_data->GetCookieSettings()->
1637       IsReadingCookieAllowed(url, first_party);
1638
1639   BrowserThread::PostTask(
1640       BrowserThread::UI, FROM_HERE,
1641       base::Bind(&TabSpecificContentSettings::CookiesRead, render_process_id,
1642                  render_frame_id, url, first_party, cookie_list, !allow));
1643   return allow;
1644 }
1645
1646 bool ChromeContentBrowserClient::AllowSetCookie(
1647     const GURL& url,
1648     const GURL& first_party,
1649     const std::string& cookie_line,
1650     content::ResourceContext* context,
1651     int render_process_id,
1652     int render_frame_id,
1653     net::CookieOptions* options) {
1654   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1655   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1656   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1657   bool allow = cookie_settings->IsSettingCookieAllowed(url, first_party);
1658
1659   BrowserThread::PostTask(
1660       BrowserThread::UI, FROM_HERE,
1661       base::Bind(&TabSpecificContentSettings::CookieChanged, render_process_id,
1662                  render_frame_id, url, first_party, cookie_line, *options,
1663                  !allow));
1664   return allow;
1665 }
1666
1667 bool ChromeContentBrowserClient::AllowSaveLocalState(
1668     content::ResourceContext* context) {
1669   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1670   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1671   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1672   ContentSetting setting = cookie_settings->GetDefaultCookieSetting(NULL);
1673
1674   // TODO(bauerb): Should we also disallow local state if the default is BLOCK?
1675   // Could we even support per-origin settings?
1676   return setting != CONTENT_SETTING_SESSION_ONLY;
1677 }
1678
1679 bool ChromeContentBrowserClient::AllowWorkerDatabase(
1680     const GURL& url,
1681     const base::string16& name,
1682     const base::string16& display_name,
1683     unsigned long estimated_size,
1684     content::ResourceContext* context,
1685     const std::vector<std::pair<int, int> >& render_frames) {
1686   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1687   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1688   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1689   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1690
1691   // Record access to database for potential display in UI.
1692   std::vector<std::pair<int, int> >::const_iterator i;
1693   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1694     BrowserThread::PostTask(
1695         BrowserThread::UI, FROM_HERE,
1696         base::Bind(&TabSpecificContentSettings::WebDatabaseAccessed,
1697                    i->first, i->second, url, name, display_name, !allow));
1698   }
1699
1700   return allow;
1701 }
1702
1703 bool ChromeContentBrowserClient::AllowWorkerFileSystem(
1704     const GURL& url,
1705     content::ResourceContext* context,
1706     const std::vector<std::pair<int, int> >& render_frames) {
1707   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1708   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1709   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1710   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1711
1712   // Record access to file system for potential display in UI.
1713   std::vector<std::pair<int, int> >::const_iterator i;
1714   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1715     BrowserThread::PostTask(
1716         BrowserThread::UI, FROM_HERE,
1717         base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
1718                    i->first, i->second, url, !allow));
1719   }
1720
1721   return allow;
1722 }
1723
1724 bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
1725     const GURL& url,
1726     const base::string16& name,
1727     content::ResourceContext* context,
1728     const std::vector<std::pair<int, int> >& render_frames) {
1729   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1730   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1731   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1732   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1733
1734   // Record access to IndexedDB for potential display in UI.
1735   std::vector<std::pair<int, int> >::const_iterator i;
1736   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1737     BrowserThread::PostTask(
1738         BrowserThread::UI, FROM_HERE,
1739         base::Bind(&TabSpecificContentSettings::IndexedDBAccessed,
1740                    i->first, i->second, url, name, !allow));
1741   }
1742
1743   return allow;
1744 }
1745
1746 net::URLRequestContext*
1747 ChromeContentBrowserClient::OverrideRequestContextForURL(
1748     const GURL& url, content::ResourceContext* context) {
1749   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1750   if (url.SchemeIs(extensions::kExtensionScheme)) {
1751     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1752     return io_data->extensions_request_context();
1753   }
1754
1755   return NULL;
1756 }
1757
1758 QuotaPermissionContext*
1759 ChromeContentBrowserClient::CreateQuotaPermissionContext() {
1760   return new ChromeQuotaPermissionContext();
1761 }
1762
1763 void ChromeContentBrowserClient::AllowCertificateError(
1764     int render_process_id,
1765     int render_frame_id,
1766     int cert_error,
1767     const net::SSLInfo& ssl_info,
1768     const GURL& request_url,
1769     ResourceType::Type resource_type,
1770     bool overridable,
1771     bool strict_enforcement,
1772     const base::Callback<void(bool)>& callback,
1773     content::CertificateRequestResultType* result) {
1774   if (resource_type != ResourceType::MAIN_FRAME) {
1775     // A sub-resource has a certificate error.  The user doesn't really
1776     // have a context for making the right decision, so block the
1777     // request hard, without an info bar to allow showing the insecure
1778     // content.
1779     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
1780     return;
1781   }
1782
1783   // If the tab is being prerendered, cancel the prerender and the request.
1784   content::RenderFrameHost* render_frame_host =
1785       content::RenderFrameHost::FromID(render_process_id, render_frame_id);
1786   if (!render_frame_host) {
1787     NOTREACHED();
1788     return;
1789   }
1790   WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
1791   if (!tab) {
1792     NOTREACHED();
1793     return;
1794   }
1795
1796   prerender::PrerenderContents* prerender_contents =
1797       prerender::PrerenderContents::FromWebContents(tab);
1798   if (prerender_contents) {
1799     prerender_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
1800     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
1801     return;
1802   }
1803
1804 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
1805   captive_portal::CaptivePortalTabHelper* captive_portal_tab_helper =
1806       captive_portal::CaptivePortalTabHelper::FromWebContents(tab);
1807   if (captive_portal_tab_helper)
1808     captive_portal_tab_helper->OnSSLCertError(ssl_info);
1809 #endif
1810
1811   // Otherwise, display an SSL blocking page.
1812   new SSLBlockingPage(tab, cert_error, ssl_info, request_url, overridable,
1813                       strict_enforcement, callback);
1814 }
1815
1816 void ChromeContentBrowserClient::SelectClientCertificate(
1817     int render_process_id,
1818     int render_frame_id,
1819     const net::HttpNetworkSession* network_session,
1820     net::SSLCertRequestInfo* cert_request_info,
1821     const base::Callback<void(net::X509Certificate*)>& callback) {
1822   content::RenderFrameHost* rfh = content::RenderFrameHost::FromID(
1823       render_process_id, render_frame_id);
1824   WebContents* tab = WebContents::FromRenderFrameHost(rfh);
1825   if (!tab) {
1826     NOTREACHED();
1827     return;
1828   }
1829
1830   prerender::PrerenderContents* prerender_contents =
1831       prerender::PrerenderContents::FromWebContents(tab);
1832   if (prerender_contents) {
1833     prerender_contents->Destroy(
1834         prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
1835     return;
1836   }
1837
1838   GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
1839   DCHECK(requesting_url.is_valid())
1840       << "Invalid URL string: https://"
1841       << cert_request_info->host_and_port.ToString();
1842
1843   Profile* profile = Profile::FromBrowserContext(tab->GetBrowserContext());
1844   scoped_ptr<base::Value> filter(
1845       profile->GetHostContentSettingsMap()->GetWebsiteSetting(
1846           requesting_url,
1847           requesting_url,
1848           CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
1849           std::string(), NULL));
1850
1851   if (filter.get()) {
1852     // Try to automatically select a client certificate.
1853     if (filter->IsType(base::Value::TYPE_DICTIONARY)) {
1854       base::DictionaryValue* filter_dict =
1855           static_cast<base::DictionaryValue*>(filter.get());
1856
1857       const std::vector<scoped_refptr<net::X509Certificate> >&
1858           all_client_certs = cert_request_info->client_certs;
1859       for (size_t i = 0; i < all_client_certs.size(); ++i) {
1860         if (CertMatchesFilter(*all_client_certs[i].get(), *filter_dict)) {
1861           // Use the first certificate that is matched by the filter.
1862           callback.Run(all_client_certs[i].get());
1863           return;
1864         }
1865       }
1866     } else {
1867       NOTREACHED();
1868     }
1869   }
1870
1871   SSLTabHelper* ssl_tab_helper = SSLTabHelper::FromWebContents(tab);
1872   if (!ssl_tab_helper) {
1873     // If there is no SSLTabHelper for the given WebContents then we can't
1874     // show the user a dialog to select a client certificate. So we simply
1875     // proceed with no client certificate.
1876     callback.Run(NULL);
1877     return;
1878   }
1879   ssl_tab_helper->ShowClientCertificateRequestDialog(
1880       network_session, cert_request_info, callback);
1881 }
1882
1883 void ChromeContentBrowserClient::AddCertificate(
1884     net::URLRequest* request,
1885     net::CertificateMimeType cert_type,
1886     const void* cert_data,
1887     size_t cert_size,
1888     int render_process_id,
1889     int render_view_id) {
1890   chrome::SSLAddCertificate(request, cert_type, cert_data, cert_size,
1891       render_process_id, render_view_id);
1892 }
1893
1894 content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
1895   return MediaCaptureDevicesDispatcher::GetInstance();
1896 }
1897
1898 void ChromeContentBrowserClient::RequestDesktopNotificationPermission(
1899     const GURL& source_origin,
1900     int callback_context,
1901     int render_process_id,
1902     int render_view_id) {
1903 #if defined(ENABLE_NOTIFICATIONS)
1904   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1905   WebContents* contents =
1906       tab_util::GetWebContentsByID(render_process_id, render_view_id);
1907   if (!contents) {
1908     NOTREACHED();
1909     return;
1910   }
1911
1912   // Skip showing the infobar if the request comes from an extension, and that
1913   // extension has the 'notify' permission. (If the extension does not have the
1914   // permission, the user will still be prompted.)
1915   Profile* profile = Profile::FromBrowserContext(contents->GetBrowserContext());
1916   InfoMap* extension_info_map =
1917       extensions::ExtensionSystem::Get(profile)->info_map();
1918   DesktopNotificationService* notification_service =
1919       DesktopNotificationServiceFactory::GetForProfile(profile);
1920   const Extension* extension = NULL;
1921   if (extension_info_map) {
1922     extensions::ExtensionSet extensions;
1923     extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
1924         source_origin, render_process_id,
1925         extensions::APIPermission::kNotification, &extensions);
1926     for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
1927          iter != extensions.end(); ++iter) {
1928       if (notification_service->IsNotifierEnabled(NotifierId(
1929               NotifierId::APPLICATION, (*iter)->id()))) {
1930         extension = iter->get();
1931         break;
1932       }
1933     }
1934   }
1935   RenderViewHost* rvh =
1936       RenderViewHost::FromID(render_process_id, render_view_id);
1937   if (IsExtensionWithPermissionOrSuggestInConsole(
1938       APIPermission::kNotification, extension, rvh)) {
1939     if (rvh)
1940       rvh->DesktopNotificationPermissionRequestDone(callback_context);
1941     return;
1942   }
1943
1944   notification_service->RequestPermission(source_origin, render_process_id,
1945       render_view_id, callback_context, contents);
1946 #else
1947   NOTIMPLEMENTED();
1948 #endif
1949 }
1950
1951 blink::WebNotificationPresenter::Permission
1952     ChromeContentBrowserClient::CheckDesktopNotificationPermission(
1953         const GURL& source_origin,
1954         content::ResourceContext* context,
1955         int render_process_id) {
1956 #if defined(ENABLE_NOTIFICATIONS)
1957   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1958
1959   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1960   InfoMap* extension_info_map = io_data->GetExtensionInfoMap();
1961
1962   // We want to see if there is an extension that hasn't been manually disabled
1963   // that has the notifications permission and applies to this security origin.
1964   // First, get the list of extensions with permission for the origin.
1965   extensions::ExtensionSet extensions;
1966   extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
1967       source_origin, render_process_id,
1968       extensions::APIPermission::kNotification, &extensions);
1969   for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
1970        iter != extensions.end(); ++iter) {
1971     // Then, check to see if it's been disabled by the user.
1972     if (!extension_info_map->AreNotificationsDisabled((*iter)->id()))
1973       return blink::WebNotificationPresenter::PermissionAllowed;
1974   }
1975
1976   // No enabled extensions exist, so check the normal host content settings.
1977   HostContentSettingsMap* host_content_settings_map =
1978       io_data->GetHostContentSettingsMap();
1979   ContentSetting setting = host_content_settings_map->GetContentSetting(
1980       source_origin,
1981       source_origin,
1982       CONTENT_SETTINGS_TYPE_NOTIFICATIONS,
1983       NO_RESOURCE_IDENTIFIER);
1984
1985   if (setting == CONTENT_SETTING_ALLOW)
1986     return blink::WebNotificationPresenter::PermissionAllowed;
1987   if (setting == CONTENT_SETTING_BLOCK)
1988     return blink::WebNotificationPresenter::PermissionDenied;
1989   return blink::WebNotificationPresenter::PermissionNotAllowed;
1990 #else
1991   return blink::WebNotificationPresenter::PermissionAllowed;
1992 #endif
1993 }
1994
1995 void ChromeContentBrowserClient::ShowDesktopNotification(
1996     const content::ShowDesktopNotificationHostMsgParams& params,
1997     int render_process_id,
1998     int render_view_id,
1999     bool worker) {
2000 #if defined(ENABLE_NOTIFICATIONS)
2001   RenderViewHost* rvh = RenderViewHost::FromID(
2002       render_process_id, render_view_id);
2003   if (!rvh) {
2004     NOTREACHED();
2005     return;
2006   }
2007
2008   content::RenderProcessHost* process = rvh->GetProcess();
2009   Profile* profile = Profile::FromBrowserContext(process->GetBrowserContext());
2010   DesktopNotificationService* service =
2011       DesktopNotificationServiceFactory::GetForProfile(profile);
2012   service->ShowDesktopNotification(
2013     params, render_process_id, render_view_id,
2014     worker ? DesktopNotificationService::WorkerNotification :
2015         DesktopNotificationService::PageNotification);
2016 #else
2017   NOTIMPLEMENTED();
2018 #endif
2019 }
2020
2021 void ChromeContentBrowserClient::CancelDesktopNotification(
2022     int render_process_id,
2023     int render_view_id,
2024     int notification_id) {
2025 #if defined(ENABLE_NOTIFICATIONS)
2026   RenderViewHost* rvh = RenderViewHost::FromID(
2027       render_process_id, render_view_id);
2028   if (!rvh) {
2029     NOTREACHED();
2030     return;
2031   }
2032
2033   content::RenderProcessHost* process = rvh->GetProcess();
2034   Profile* profile = Profile::FromBrowserContext(process->GetBrowserContext());
2035   DesktopNotificationService* service =
2036       DesktopNotificationServiceFactory::GetForProfile(profile);
2037   service->CancelDesktopNotification(
2038       render_process_id, render_view_id, notification_id);
2039 #else
2040   NOTIMPLEMENTED();
2041 #endif
2042 }
2043
2044 bool ChromeContentBrowserClient::CanCreateWindow(
2045     const GURL& opener_url,
2046     const GURL& opener_top_level_frame_url,
2047     const GURL& source_origin,
2048     WindowContainerType container_type,
2049     const GURL& target_url,
2050     const content::Referrer& referrer,
2051     WindowOpenDisposition disposition,
2052     const WebWindowFeatures& features,
2053     bool user_gesture,
2054     bool opener_suppressed,
2055     content::ResourceContext* context,
2056     int render_process_id,
2057     bool is_guest,
2058     int opener_id,
2059     bool* no_javascript_access) {
2060   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2061
2062   *no_javascript_access = false;
2063
2064   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2065   InfoMap* map = io_data->GetExtensionInfoMap();
2066
2067   // If the opener is trying to create a background window but doesn't have
2068   // the appropriate permission, fail the attempt.
2069   if (container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
2070     if (!map->SecurityOriginHasAPIPermission(
2071             source_origin,
2072             render_process_id,
2073             APIPermission::kBackground)) {
2074       return false;
2075     }
2076
2077     // Note: this use of GetExtensionOrAppByURL is safe but imperfect.  It may
2078     // return a recently installed Extension even if this CanCreateWindow call
2079     // was made by an old copy of the page in a normal web process.  That's ok,
2080     // because the permission check above would have caused an early return
2081     // already. We must use the full URL to find hosted apps, though, and not
2082     // just the origin.
2083     const Extension* extension =
2084         map->extensions().GetExtensionOrAppByURL(opener_url);
2085     if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
2086       *no_javascript_access = true;
2087
2088     return true;
2089   }
2090
2091   // No new browser window (popup or tab) in app mode.
2092   if (container_type == WINDOW_CONTAINER_TYPE_NORMAL &&
2093       chrome::IsRunningInForcedAppMode()) {
2094     return false;
2095   }
2096
2097   if (is_guest)
2098     return true;
2099
2100   HostContentSettingsMap* content_settings =
2101       ProfileIOData::FromResourceContext(context)->GetHostContentSettingsMap();
2102   BlockedWindowParams blocked_params(target_url,
2103                                     referrer,
2104                                     disposition,
2105                                     features,
2106                                     user_gesture,
2107                                     opener_suppressed,
2108                                     render_process_id,
2109                                     opener_id);
2110
2111   if (!user_gesture && !CommandLine::ForCurrentProcess()->HasSwitch(
2112         switches::kDisablePopupBlocking)) {
2113     if (content_settings->GetContentSetting(opener_top_level_frame_url,
2114                                             opener_top_level_frame_url,
2115                                             CONTENT_SETTINGS_TYPE_POPUPS,
2116                                             std::string()) !=
2117         CONTENT_SETTING_ALLOW) {
2118       BrowserThread::PostTask(BrowserThread::UI,
2119                               FROM_HERE,
2120                               base::Bind(&HandleBlockedPopupOnUIThread,
2121                                          blocked_params));
2122       return false;
2123     }
2124   }
2125
2126 #if defined(OS_ANDROID)
2127   if (SingleTabModeTabHelper::IsRegistered(render_process_id, opener_id)) {
2128     BrowserThread::PostTask(BrowserThread::UI,
2129                             FROM_HERE,
2130                             base::Bind(&HandleSingleTabModeBlockOnUIThread,
2131                                        blocked_params));
2132     return false;
2133   }
2134 #endif
2135
2136   return true;
2137 }
2138
2139 std::string ChromeContentBrowserClient::GetWorkerProcessTitle(
2140     const GURL& url, content::ResourceContext* context) {
2141   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2142   // Check if it's an extension-created worker, in which case we want to use
2143   // the name of the extension.
2144   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2145   const Extension* extension =
2146       io_data->GetExtensionInfoMap()->extensions().GetByID(url.host());
2147   return extension ? extension->name() : std::string();
2148 }
2149
2150 void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
2151   return g_browser_process->ResourceDispatcherHostCreated();
2152 }
2153
2154 // TODO(tommi): Rename from Get to Create.
2155 content::SpeechRecognitionManagerDelegate*
2156     ChromeContentBrowserClient::GetSpeechRecognitionManagerDelegate() {
2157 #if defined(ENABLE_INPUT_SPEECH)
2158   return new speech::ChromeSpeechRecognitionManagerDelegateBubbleUI();
2159 #else
2160   // Platforms who don't implement x-webkit-speech (a.k.a INPUT_SPEECH) just
2161   // need the base delegate without the bubble UI.
2162   return new speech::ChromeSpeechRecognitionManagerDelegate();
2163 #endif
2164 }
2165
2166 net::NetLog* ChromeContentBrowserClient::GetNetLog() {
2167   return g_browser_process->net_log();
2168 }
2169
2170 AccessTokenStore* ChromeContentBrowserClient::CreateAccessTokenStore() {
2171   return new ChromeAccessTokenStore();
2172 }
2173
2174 bool ChromeContentBrowserClient::IsFastShutdownPossible() {
2175   return true;
2176 }
2177
2178 void ChromeContentBrowserClient::OverrideWebkitPrefs(
2179     RenderViewHost* rvh, const GURL& url, WebPreferences* web_prefs) {
2180   Profile* profile = Profile::FromBrowserContext(
2181       rvh->GetProcess()->GetBrowserContext());
2182   PrefService* prefs = profile->GetPrefs();
2183
2184   // Fill per-script font preferences. These are not registered on Android
2185   // - http://crbug.com/308033.
2186 #if !defined(OS_ANDROID)
2187   FillFontFamilyMap(prefs, prefs::kWebKitStandardFontFamilyMap,
2188                     &web_prefs->standard_font_family_map);
2189   FillFontFamilyMap(prefs, prefs::kWebKitFixedFontFamilyMap,
2190                     &web_prefs->fixed_font_family_map);
2191   FillFontFamilyMap(prefs, prefs::kWebKitSerifFontFamilyMap,
2192                     &web_prefs->serif_font_family_map);
2193   FillFontFamilyMap(prefs, prefs::kWebKitSansSerifFontFamilyMap,
2194                     &web_prefs->sans_serif_font_family_map);
2195   FillFontFamilyMap(prefs, prefs::kWebKitCursiveFontFamilyMap,
2196                     &web_prefs->cursive_font_family_map);
2197   FillFontFamilyMap(prefs, prefs::kWebKitFantasyFontFamilyMap,
2198                     &web_prefs->fantasy_font_family_map);
2199   FillFontFamilyMap(prefs, prefs::kWebKitPictographFontFamilyMap,
2200                     &web_prefs->pictograph_font_family_map);
2201 #endif
2202
2203   web_prefs->default_font_size =
2204       prefs->GetInteger(prefs::kWebKitDefaultFontSize);
2205   web_prefs->default_fixed_font_size =
2206       prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
2207   web_prefs->minimum_font_size =
2208       prefs->GetInteger(prefs::kWebKitMinimumFontSize);
2209   web_prefs->minimum_logical_font_size =
2210       prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
2211
2212   web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2213
2214   web_prefs->javascript_can_open_windows_automatically =
2215       prefs->GetBoolean(prefs::kWebKitJavascriptCanOpenWindowsAutomatically);
2216   web_prefs->dom_paste_enabled =
2217       prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
2218   web_prefs->shrinks_standalone_images_to_fit =
2219       prefs->GetBoolean(prefs::kWebKitShrinksStandaloneImagesToFit);
2220   const base::DictionaryValue* inspector_settings =
2221       prefs->GetDictionary(prefs::kWebKitInspectorSettings);
2222   if (inspector_settings) {
2223     for (base::DictionaryValue::Iterator iter(*inspector_settings);
2224          !iter.IsAtEnd();
2225          iter.Advance()) {
2226       std::string value;
2227       if (iter.value().GetAsString(&value)) {
2228           web_prefs->inspector_settings.push_back(
2229               std::make_pair(iter.key(), value));
2230       }
2231     }
2232   }
2233   web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
2234
2235   if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
2236     web_prefs->javascript_enabled = false;
2237   if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
2238     web_prefs->web_security_enabled = false;
2239   if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
2240     web_prefs->plugins_enabled = false;
2241   if (!prefs->GetBoolean(prefs::kWebKitJavaEnabled))
2242     web_prefs->java_enabled = false;
2243   web_prefs->loads_images_automatically =
2244       prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
2245
2246   if (prefs->GetBoolean(prefs::kDisable3DAPIs))
2247     web_prefs->experimental_webgl_enabled = false;
2248
2249   web_prefs->memory_info_enabled =
2250       prefs->GetBoolean(prefs::kEnableMemoryInfo);
2251   web_prefs->allow_displaying_insecure_content =
2252       prefs->GetBoolean(prefs::kWebKitAllowDisplayingInsecureContent);
2253   web_prefs->allow_running_insecure_content =
2254       prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
2255 #if defined(OS_ANDROID)
2256   web_prefs->font_scale_factor =
2257       static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
2258   web_prefs->device_scale_adjustment = GetDeviceScaleAdjustment();
2259   web_prefs->force_enable_zoom =
2260       prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
2261 #endif
2262
2263 #if defined(OS_ANDROID)
2264   web_prefs->password_echo_enabled =
2265       prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
2266 #else
2267   web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
2268 #endif
2269
2270   web_prefs->asynchronous_spell_checking_enabled = true;
2271   web_prefs->unified_textchecker_enabled = true;
2272
2273   web_prefs->uses_universal_detector =
2274       prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
2275   web_prefs->text_areas_are_resizable =
2276       prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
2277   web_prefs->hyperlink_auditing_enabled =
2278       prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
2279
2280   // Make sure we will set the default_encoding with canonical encoding name.
2281   web_prefs->default_encoding =
2282       CharacterEncoding::GetCanonicalEncodingNameByAliasName(
2283           web_prefs->default_encoding);
2284   if (web_prefs->default_encoding.empty()) {
2285     prefs->ClearPref(prefs::kDefaultCharset);
2286     web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2287   }
2288   DCHECK(!web_prefs->default_encoding.empty());
2289
2290   WebContents* web_contents = WebContents::FromRenderViewHost(rvh);
2291   extensions::ViewType view_type = extensions::GetViewType(web_contents);
2292   ExtensionService* service =
2293       extensions::ExtensionSystem::Get(profile)->extension_service();
2294   if (service) {
2295     const GURL& site_url = rvh->GetSiteInstance()->GetSiteURL();
2296     const Extension* extension =
2297         service->extensions()->GetByID(site_url.host());
2298     // Ensure that we are only granting extension preferences to URLs with
2299     // the correct scheme. Without this check, chrome-guest:// schemes used by
2300     // webview tags as well as hosts that happen to match the id of an
2301     // installed extension would get the wrong preferences.
2302     if (site_url.SchemeIs(extensions::kExtensionScheme)) {
2303       extension_webkit_preferences::SetPreferences(
2304           extension, view_type, web_prefs);
2305     }
2306   }
2307
2308   if (view_type == extensions::VIEW_TYPE_NOTIFICATION) {
2309     web_prefs->allow_scripts_to_close_windows = true;
2310   } else if (view_type == extensions::VIEW_TYPE_BACKGROUND_CONTENTS) {
2311     // Disable all kinds of acceleration for background pages.
2312     // See http://crbug.com/96005 and http://crbug.com/96006
2313     web_prefs->force_compositing_mode = false;
2314     web_prefs->accelerated_compositing_enabled = false;
2315   }
2316
2317 #if defined(FILE_MANAGER_EXTENSION)
2318   // Override the default of suppressing HW compositing for WebUI pages for the
2319   // file manager, which is implemented using WebUI but wants HW acceleration
2320   // for video decode & render.
2321   if (url.SchemeIs(extensions::kExtensionScheme) &&
2322       url.host() == file_manager::kFileManagerAppId) {
2323     web_prefs->accelerated_compositing_enabled = true;
2324     web_prefs->accelerated_2d_canvas_enabled = true;
2325   }
2326 #endif
2327 }
2328
2329 void ChromeContentBrowserClient::UpdateInspectorSetting(
2330     RenderViewHost* rvh, const std::string& key, const std::string& value) {
2331   content::BrowserContext* browser_context =
2332       rvh->GetProcess()->GetBrowserContext();
2333   DictionaryPrefUpdate update(
2334       Profile::FromBrowserContext(browser_context)->GetPrefs(),
2335       prefs::kWebKitInspectorSettings);
2336   base::DictionaryValue* inspector_settings = update.Get();
2337   inspector_settings->SetWithoutPathExpansion(
2338       key, base::Value::CreateStringValue(value));
2339 }
2340
2341 void ChromeContentBrowserClient::BrowserURLHandlerCreated(
2342     BrowserURLHandler* handler) {
2343   // Add the default URL handlers.
2344   handler->AddHandlerPair(&ExtensionWebUI::HandleChromeURLOverride,
2345                           BrowserURLHandler::null_handler());
2346   handler->AddHandlerPair(BrowserURLHandler::null_handler(),
2347                           &ExtensionWebUI::HandleChromeURLOverrideReverse);
2348
2349   // about: handler. Must come before chrome: handler, since it will
2350   // rewrite about: urls to chrome: URLs and then expect chrome: to
2351   // actually handle them.
2352   handler->AddHandlerPair(&WillHandleBrowserAboutURL,
2353                           BrowserURLHandler::null_handler());
2354
2355   // Handler to rewrite chrome://newtab for InstantExtended.
2356   handler->AddHandlerPair(&chrome::HandleNewTabURLRewrite,
2357                           &chrome::HandleNewTabURLReverseRewrite);
2358
2359   // chrome: & friends.
2360   handler->AddHandlerPair(&HandleWebUI, &HandleWebUIReverse);
2361 }
2362
2363 void ChromeContentBrowserClient::ClearCache(RenderViewHost* rvh) {
2364   Profile* profile = Profile::FromBrowserContext(
2365       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2366   BrowsingDataRemover* remover =
2367       BrowsingDataRemover::CreateForUnboundedRange(profile);
2368   remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
2369                   BrowsingDataHelper::UNPROTECTED_WEB);
2370   // BrowsingDataRemover takes care of deleting itself when done.
2371 }
2372
2373 void ChromeContentBrowserClient::ClearCookies(RenderViewHost* rvh) {
2374   Profile* profile = Profile::FromBrowserContext(
2375       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2376   BrowsingDataRemover* remover =
2377       BrowsingDataRemover::CreateForUnboundedRange(profile);
2378   int remove_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
2379   remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
2380   // BrowsingDataRemover takes care of deleting itself when done.
2381 }
2382
2383 base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
2384   return DownloadPrefs::GetDefaultDownloadDirectory();
2385 }
2386
2387 std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
2388   return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
2389 }
2390
2391 void ChromeContentBrowserClient::DidCreatePpapiPlugin(
2392     content::BrowserPpapiHost* browser_host) {
2393 #if defined(ENABLE_PLUGINS)
2394   browser_host->GetPpapiHost()->AddHostFactoryFilter(
2395       scoped_ptr<ppapi::host::HostFactory>(
2396           new ChromeBrowserPepperHostFactory(browser_host)));
2397 #endif
2398 }
2399
2400 content::BrowserPpapiHost*
2401     ChromeContentBrowserClient::GetExternalBrowserPpapiHost(
2402         int plugin_process_id) {
2403   BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
2404   while (!iter.Done()) {
2405     nacl::NaClProcessHost* host = static_cast<nacl::NaClProcessHost*>(
2406         iter.GetDelegate());
2407     if (host->process() &&
2408         host->process()->GetData().id == plugin_process_id) {
2409       // Found the plugin.
2410       return host->browser_ppapi_host();
2411     }
2412     ++iter;
2413   }
2414   return NULL;
2415 }
2416
2417 bool ChromeContentBrowserClient::SupportsBrowserPlugin(
2418     content::BrowserContext* browser_context, const GURL& site_url) {
2419   if (CommandLine::ForCurrentProcess()->HasSwitch(
2420           switches::kEnableBrowserPluginForAllViewTypes))
2421     return true;
2422
2423   if (content::HasWebUIScheme(site_url))
2424     return true;
2425
2426   Profile* profile = Profile::FromBrowserContext(browser_context);
2427   ExtensionService* service =
2428       extensions::ExtensionSystem::Get(profile)->extension_service();
2429   if (!service)
2430     return false;
2431
2432   const Extension* extension =
2433       service->extensions()->GetExtensionOrAppByURL(site_url);
2434   if (!extension)
2435     return false;
2436
2437   return extension->HasAPIPermission(APIPermission::kWebView) ||
2438          extension->HasAPIPermission(APIPermission::kAdView);
2439 }
2440
2441 bool ChromeContentBrowserClient::AllowPepperSocketAPI(
2442     content::BrowserContext* browser_context,
2443     const GURL& url,
2444     bool private_api,
2445     const content::SocketPermissionRequest* params) {
2446 #if defined(ENABLE_PLUGINS)
2447   Profile* profile = Profile::FromBrowserContext(browser_context);
2448   const extensions::ExtensionSet* extension_set = NULL;
2449   if (profile) {
2450     extension_set = extensions::ExtensionSystem::Get(profile)->
2451         extension_service()->extensions();
2452   }
2453
2454   if (private_api) {
2455     // Access to private socket APIs is controlled by the whitelist.
2456     if (IsExtensionOrSharedModuleWhitelisted(url, extension_set,
2457                                              allowed_socket_origins_)) {
2458       return true;
2459     }
2460   } else {
2461     // Access to public socket APIs is controlled by extension permissions.
2462     if (url.is_valid() && url.SchemeIs(extensions::kExtensionScheme) &&
2463         extension_set) {
2464       const Extension* extension = extension_set->GetByID(url.host());
2465       if (extension) {
2466         if (params) {
2467           extensions::SocketPermission::CheckParam check_params(
2468               params->type, params->host, params->port);
2469           if (extensions::PermissionsData::CheckAPIPermissionWithParam(
2470                   extension, extensions::APIPermission::kSocket,
2471                   &check_params)) {
2472             return true;
2473           }
2474         } else {
2475           if (extensions::PermissionsData::HasAPIPermission(
2476                   extension, extensions::APIPermission::kSocket)) {
2477             return true;
2478           }
2479         }
2480       }
2481     }
2482   }
2483
2484   // Allow both public and private APIs if the command line says so.
2485   return IsHostAllowedByCommandLine(url, extension_set,
2486                                     switches::kAllowNaClSocketAPI);
2487 #else
2488   return false;
2489 #endif
2490 }
2491
2492 ui::SelectFilePolicy* ChromeContentBrowserClient::CreateSelectFilePolicy(
2493     WebContents* web_contents) {
2494   return new ChromeSelectFilePolicy(web_contents);
2495 }
2496
2497 void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2498     std::vector<std::string>* additional_allowed_schemes) {
2499   ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2500       additional_allowed_schemes);
2501   additional_allowed_schemes->push_back(kChromeDevToolsScheme);
2502   additional_allowed_schemes->push_back(kChromeUIScheme);
2503   additional_allowed_schemes->push_back(extensions::kExtensionScheme);
2504 }
2505
2506 void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
2507     content::BrowserContext* browser_context,
2508     const base::FilePath& storage_partition_path,
2509     ScopedVector<fileapi::FileSystemBackend>* additional_backends) {
2510 #if !defined(OS_ANDROID)
2511   base::SequencedWorkerPool* pool = content::BrowserThread::GetBlockingPool();
2512   additional_backends->push_back(new MediaFileSystemBackend(
2513       storage_partition_path,
2514       pool->GetSequencedTaskRunner(pool->GetNamedSequenceToken(
2515           MediaFileSystemBackend::kMediaTaskRunnerName)).get()));
2516 #endif
2517 #if defined(OS_CHROMEOS)
2518   fileapi::ExternalMountPoints* external_mount_points =
2519       content::BrowserContext::GetMountPoints(browser_context);
2520   DCHECK(external_mount_points);
2521   chromeos::FileSystemBackend* backend =
2522       new chromeos::FileSystemBackend(
2523           new drive::FileSystemBackendDelegate(browser_context),
2524           browser_context->GetSpecialStoragePolicy(),
2525           external_mount_points,
2526           fileapi::ExternalMountPoints::GetSystemInstance());
2527   backend->AddSystemMountPoints();
2528   DCHECK(backend->CanHandleType(fileapi::kFileSystemTypeExternal));
2529   additional_backends->push_back(backend);
2530 #endif
2531
2532   additional_backends->push_back(
2533       new sync_file_system::SyncFileSystemBackend(
2534           Profile::FromBrowserContext(browser_context)));
2535
2536   if (CommandLine::ForCurrentProcess()->HasSwitch(
2537           switches::kEnablePrivetStorage)) {
2538     additional_backends->push_back(
2539         new local_discovery::PrivetFileSystemBackend(
2540             fileapi::ExternalMountPoints::GetSystemInstance()));
2541   }
2542 }
2543
2544 #if defined(OS_POSIX) && !defined(OS_MACOSX)
2545 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2546     const CommandLine& command_line,
2547     int child_process_id,
2548     std::vector<FileDescriptorInfo>* mappings) {
2549 #if defined(OS_ANDROID)
2550   base::FilePath data_path;
2551   PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &data_path);
2552   DCHECK(!data_path.empty());
2553
2554   int flags = base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ;
2555   base::FilePath chrome_resources_pak =
2556       data_path.AppendASCII("chrome_100_percent.pak");
2557   base::PlatformFile f =
2558       base::CreatePlatformFile(chrome_resources_pak, flags, NULL, NULL);
2559   DCHECK(f != base::kInvalidPlatformFileValue);
2560   mappings->push_back(FileDescriptorInfo(kAndroidChrome100PercentPakDescriptor,
2561                                          FileDescriptor(f, true)));
2562
2563   const std::string locale = GetApplicationLocale();
2564   base::FilePath locale_pak = ResourceBundle::GetSharedInstance().
2565       GetLocaleFilePath(locale, false);
2566   f = base::CreatePlatformFile(locale_pak, flags, NULL, NULL);
2567   DCHECK(f != base::kInvalidPlatformFileValue);
2568   mappings->push_back(FileDescriptorInfo(kAndroidLocalePakDescriptor,
2569                                          FileDescriptor(f, true)));
2570
2571   base::FilePath resources_pack_path;
2572   PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
2573   f = base::CreatePlatformFile(resources_pack_path, flags, NULL, NULL);
2574   DCHECK(f != base::kInvalidPlatformFileValue);
2575   mappings->push_back(FileDescriptorInfo(kAndroidUIResourcesPakDescriptor,
2576                                          FileDescriptor(f, true)));
2577
2578   if (breakpad::IsCrashReporterEnabled()) {
2579     f = breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
2580         child_process_id);
2581     if (f == base::kInvalidPlatformFileValue) {
2582       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
2583                  "be disabled for this process.";
2584     } else {
2585       mappings->push_back(FileDescriptorInfo(kAndroidMinidumpDescriptor,
2586                                              FileDescriptor(f, true)));
2587     }
2588   }
2589
2590 #else
2591   int crash_signal_fd = GetCrashSignalFD(command_line);
2592   if (crash_signal_fd >= 0) {
2593     mappings->push_back(FileDescriptorInfo(kCrashDumpSignal,
2594                                            FileDescriptor(crash_signal_fd,
2595                                                           false)));
2596   }
2597 #endif  // defined(OS_ANDROID)
2598 }
2599 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
2600
2601 #if defined(OS_WIN)
2602 const wchar_t* ChromeContentBrowserClient::GetResourceDllName() {
2603   return chrome::kBrowserResourcesDll;
2604 }
2605
2606 void ChromeContentBrowserClient::PreSpawnRenderer(
2607     sandbox::TargetPolicy* policy,
2608     bool* success) {
2609   // This code is duplicated in nacl_exe_win_64.cc.
2610   // Allow the server side of a pipe restricted to the "chrome.nacl."
2611   // namespace so that it cannot impersonate other system or other chrome
2612   // service pipes.
2613   sandbox::ResultCode result = policy->AddRule(
2614       sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
2615       sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
2616       L"\\\\.\\pipe\\chrome.nacl.*");
2617   if (result != sandbox::SBOX_ALL_OK) {
2618     *success = false;
2619     return;
2620   }
2621
2622   // Renderers need to send named pipe handles and shared memory
2623   // segment handles to NaCl loader processes.
2624   result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
2625                            sandbox::TargetPolicy::HANDLES_DUP_ANY,
2626                            L"File");
2627   if (result != sandbox::SBOX_ALL_OK) {
2628     *success = false;
2629     return;
2630   }
2631 }
2632 #endif
2633
2634 bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
2635     content::BrowserContext* browser_context,
2636     const GURL& url) {
2637 #if defined(ENABLE_PLUGINS)
2638   Profile* profile = Profile::FromBrowserContext(browser_context);
2639   const extensions::ExtensionSet* extension_set = NULL;
2640   if (profile) {
2641     extension_set = extensions::ExtensionSystem::Get(profile)->
2642         extension_service()->extensions();
2643   }
2644   // TODO(teravest): Populate allowed_file_handle_origins_ when FileIO is moved
2645   // from the renderer to the browser.
2646   return IsExtensionOrSharedModuleWhitelisted(url, extension_set,
2647                                               allowed_file_handle_origins_) ||
2648          IsHostAllowedByCommandLine(url, extension_set,
2649                                     switches::kAllowNaClFileHandleAPI);
2650 #else
2651   return false;
2652 #endif
2653 }
2654
2655 bool ChromeContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs() {
2656 #if defined(ENABLE_PLUGINS)
2657   // Allow access for tests.
2658   if (CommandLine::ForCurrentProcess()->HasSwitch(
2659           switches::kEnablePepperTesting)) {
2660     return true;
2661   }
2662
2663   chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
2664   // Allow dev channel APIs to be used on "Canary", "Dev", and "Unknown"
2665   // releases of Chrome. Permitting "Unknown" allows these APIs to be used on
2666   // Chromium builds as well.
2667   return channel <= chrome::VersionInfo::CHANNEL_DEV;
2668 #else
2669   return false;
2670 #endif
2671 }
2672
2673
2674 }  // namespace chrome