src/chrome/browser/ui/browser_commands.cc

   1 // Copyright 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/ui/browser_commands.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/metrics/histogram.h"
   9 #include "base/prefs/pref_service.h"
  10 #include "base/strings/utf_string_conversions.h"
  11 #include "chrome/app/chrome_command_ids.h"
  12 #include "chrome/browser/bookmarks/bookmark_model.h"
  13 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
  14 #include "chrome/browser/bookmarks/bookmark_utils.h"
  15 #include "chrome/browser/browser_process.h"
  16 #include "chrome/browser/browsing_data/browsing_data_helper.h"
  17 #include "chrome/browser/browsing_data/browsing_data_remover.h"
  18 #include "chrome/browser/chrome_notification_types.h"
  19 #include "chrome/browser/chrome_page_zoom.h"
  20 #include "chrome/browser/devtools/devtools_window.h"
  21 #include "chrome/browser/extensions/api/commands/command_service.h"
  22 #include "chrome/browser/extensions/extension_service.h"
  23 #include "chrome/browser/extensions/tab_helper.h"
  24 #include "chrome/browser/favicon/favicon_tab_helper.h"
  25 #include "chrome/browser/google/google_util.h"
  26 #include "chrome/browser/lifetime/application_lifetime.h"
  27 #include "chrome/browser/platform_util.h"
  28 #include "chrome/browser/prefs/incognito_mode_prefs.h"
  29 #include "chrome/browser/profiles/profile.h"
  30 #include "chrome/browser/rlz/rlz.h"
  31 #include "chrome/browser/search/search.h"
  32 #include "chrome/browser/sessions/session_service_factory.h"
  33 #include "chrome/browser/sessions/tab_restore_service.h"
  34 #include "chrome/browser/sessions/tab_restore_service_delegate.h"
  35 #include "chrome/browser/sessions/tab_restore_service_factory.h"
  36 #include "chrome/browser/translate/translate_tab_helper.h"
  37 #include "chrome/browser/ui/accelerator_utils.h"
  38 #include "chrome/browser/ui/bookmarks/bookmark_prompt_controller.h"
  39 #include "chrome/browser/ui/bookmarks/bookmark_utils.h"
  40 #include "chrome/browser/ui/browser.h"
  41 #include "chrome/browser/ui/browser_command_controller.h"
  42 #include "chrome/browser/ui/browser_dialogs.h"
  43 #include "chrome/browser/ui/browser_instant_controller.h"
  44 #include "chrome/browser/ui/browser_tab_restore_service_delegate.h"
  45 #include "chrome/browser/ui/browser_tabstrip.h"
  46 #include "chrome/browser/ui/browser_window.h"
  47 #include "chrome/browser/ui/chrome_pages.h"
  48 #include "chrome/browser/ui/find_bar/find_bar.h"
  49 #include "chrome/browser/ui/find_bar/find_bar_controller.h"
  50 #include "chrome/browser/ui/find_bar/find_tab_helper.h"
  51 #include "chrome/browser/ui/fullscreen/fullscreen_controller.h"
  52 #include "chrome/browser/ui/omnibox/location_bar.h"
  53 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
  54 #include "chrome/browser/ui/search/search_tab_helper.h"
  55 #include "chrome/browser/ui/status_bubble.h"
  56 #include "chrome/browser/ui/tab_contents/core_tab_helper.h"
  57 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  58 #include "chrome/browser/ui/webui/ntp/core_app_launcher_handler.h"
  59 #include "chrome/browser/upgrade_detector.h"
  60 #include "chrome/browser/web_applications/web_app.h"
  61 #include "chrome/common/chrome_switches.h"
  62 #include "chrome/common/chrome_version_info.h"
  63 #include "chrome/common/content_restriction.h"
  64 #include "chrome/common/extensions/manifest_handlers/app_launch_info.h"
  65 #include "chrome/common/pref_names.h"
  66 #include "components/web_modal/web_contents_modal_dialog_manager.h"
  67 #include "content/public/browser/devtools_agent_host.h"
  68 #include "content/public/browser/navigation_controller.h"
  69 #include "content/public/browser/navigation_entry.h"
  70 #include "content/public/browser/notification_service.h"
  71 #include "content/public/browser/page_navigator.h"
  72 #include "content/public/browser/render_view_host.h"
  73 #include "content/public/browser/render_widget_host_view.h"
  74 #include "content/public/browser/user_metrics.h"
  75 #include "content/public/browser/web_contents.h"
  76 #include "content/public/browser/web_contents_view.h"
  77 #include "content/public/common/renderer_preferences.h"
  78 #include "content/public/common/url_constants.h"
  79 #include "content/public/common/url_utils.h"
  80 #include "content/public/common/user_agent.h"
  81 #include "extensions/browser/extension_system.h"
  82 #include "net/base/escape.h"
  83 #include "ui/events/keycodes/keyboard_codes.h"
  84
  85 #if defined(OS_WIN)
  86 #include "chrome/browser/ui/metro_pin_tab_helper_win.h"
  87 #include "win8/util/win8_util.h"
  88 #endif
  89
  90 #if defined(ENABLE_PRINTING)
  91 #if defined(ENABLE_FULL_PRINTING)
  92 #include "chrome/browser/printing/print_preview_dialog_controller.h"
  93 #include "chrome/browser/printing/print_view_manager.h"
  94 #else
  95 #include "chrome/browser/printing/print_view_manager_basic.h"
  96 #endif  // defined(ENABLE_FULL_PRINTING)
  97 #endif  // defined(ENABLE_PRINTING)
  98
  99 namespace {
 100 const char kOsOverrideForTabletSite[] = "Linux; Android 4.0.3";
 101 }
 102
 103 using base::UserMetricsAction;
 104 using content::NavigationController;
 105 using content::NavigationEntry;
 106 using content::OpenURLParams;
 107 using content::Referrer;
 108 using content::SSLStatus;
 109 using content::WebContents;
 110 using web_modal::WebContentsModalDialogManager;
 111
 112 namespace chrome {
 113 namespace {
 114
 115 bool CanBookmarkCurrentPageInternal(const Browser* browser,
 116                                     bool check_remove_bookmark_ui) {
 117   BookmarkModel* model =
 118       BookmarkModelFactory::GetForProfile(browser->profile());
 119   return browser_defaults::bookmarks_enabled &&
 120       browser->profile()->GetPrefs()->GetBoolean(
 121           prefs::kEditBookmarksEnabled) &&
 122       model && model->loaded() && browser->is_type_tabbed() &&
 123       (!check_remove_bookmark_ui ||
 124            !chrome::ShouldRemoveBookmarkThisPageUI(browser->profile()));
 125 }
 126
 127 bool GetBookmarkOverrideCommand(
 128     Profile* profile,
 129     const extensions::Extension** extension,
 130     extensions::Command* command,
 131     extensions::CommandService::ExtensionCommandType* command_type) {
 132   DCHECK(extension);
 133   DCHECK(command);
 134   DCHECK(command_type);
 135
 136   ui::Accelerator bookmark_page_accelerator =
 137       chrome::GetPrimaryChromeAcceleratorForCommandId(IDC_BOOKMARK_PAGE);
 138   if (bookmark_page_accelerator.key_code() == ui::VKEY_UNKNOWN)
 139     return false;
 140
 141   extensions::CommandService* command_service =
 142       extensions::CommandService::Get(profile);
 143   ExtensionService* extension_service =
 144       extensions::ExtensionSystem::Get(profile)->extension_service();
 145   // Extension service may be NULL during test execution.
 146   if (!extension_service)
 147     return false;
 148   const extensions::ExtensionSet* extension_set =
 149       extension_service->extensions();
 150   for (extensions::ExtensionSet::const_iterator i = extension_set->begin();
 151        i != extension_set->end(); ++i) {
 152     extensions::Command prospective_command;
 153     extensions::CommandService::ExtensionCommandType prospective_command_type;
 154     if (command_service->GetBoundExtensionCommand((*i)->id(),
 155                                                   bookmark_page_accelerator,
 156                                                   &prospective_command,
 157                                                   &prospective_command_type)) {
 158       *extension = i->get();
 159       *command = prospective_command;
 160       *command_type = prospective_command_type;
 161       return true;
 162     }
 163   }
 164
 165   return false;
 166 }
 167
 168 void BookmarkCurrentPageInternal(Browser* browser, bool from_star) {
 169   content::RecordAction(UserMetricsAction("Star"));
 170
 171   BookmarkModel* model =
 172       BookmarkModelFactory::GetForProfile(browser->profile());
 173   if (!model || !model->loaded())
 174     return;  // Ignore requests until bookmarks are loaded.
 175
 176   GURL url;
 177   base::string16 title;
 178   WebContents* web_contents =
 179       browser->tab_strip_model()->GetActiveWebContents();
 180   GetURLAndTitleToBookmark(web_contents, &url, &title);
 181   bool was_bookmarked = model->IsBookmarked(url);
 182   if (!was_bookmarked && web_contents->GetBrowserContext()->IsOffTheRecord()) {
 183     // If we're incognito the favicon may not have been saved. Save it now
 184     // so that bookmarks have an icon for the page.
 185     FaviconTabHelper::FromWebContents(web_contents)->SaveFavicon();
 186   }
 187   bookmark_utils::AddIfNotBookmarked(model, url, title);
 188   if (from_star && !was_bookmarked)
 189     BookmarkPromptController::AddedBookmark(browser, url);
 190   // Make sure the model actually added a bookmark before showing the star. A
 191   // bookmark isn't created if the url is invalid.
 192   if (browser->window()->IsActive() && model->IsBookmarked(url)) {
 193     // Only show the bubble if the window is active, otherwise we may get into
 194     // weird situations where the bubble is deleted as soon as it is shown.
 195     browser->window()->ShowBookmarkBubble(url, was_bookmarked);
 196   }
 197 }
 198
 199 // Based on |disposition|, creates a new tab as necessary, and returns the
 200 // appropriate tab to navigate.  If that tab is the current tab, reverts the
 201 // location bar contents, since all browser-UI-triggered navigations should
 202 // revert any omnibox edits in the current tab.
 203 WebContents* GetTabAndRevertIfNecessary(Browser* browser,
 204                                         WindowOpenDisposition disposition) {
 205   WebContents* current_tab = browser->tab_strip_model()->GetActiveWebContents();
 206   switch (disposition) {
 207     case NEW_FOREGROUND_TAB:
 208     case NEW_BACKGROUND_TAB: {
 209       WebContents* new_tab = current_tab->Clone();
 210       browser->tab_strip_model()->AddWebContents(
 211           new_tab, -1, content::PAGE_TRANSITION_LINK,
 212           (disposition == NEW_FOREGROUND_TAB) ?
 213               TabStripModel::ADD_ACTIVE : TabStripModel::ADD_NONE);
 214       return new_tab;
 215     }
 216     case NEW_WINDOW: {
 217       WebContents* new_tab = current_tab->Clone();
 218       Browser* new_browser = new Browser(Browser::CreateParams(
 219           browser->profile(), browser->host_desktop_type()));
 220       new_browser->tab_strip_model()->AddWebContents(
 221           new_tab, -1, content::PAGE_TRANSITION_LINK,
 222           TabStripModel::ADD_ACTIVE);
 223       new_browser->window()->Show();
 224       return new_tab;
 225     }
 226     default:
 227       browser->window()->GetLocationBar()->Revert();
 228       return current_tab;
 229   }
 230 }
 231
 232 void ReloadInternal(Browser* browser,
 233                     WindowOpenDisposition disposition,
 234                     bool ignore_cache) {
 235   // As this is caused by a user action, give the focus to the page.
 236   //
 237   // Also notify RenderViewHostDelegate of the user gesture; this is
 238   // normally done in Browser::Navigate, but a reload bypasses Navigate.
 239   WebContents* new_tab = GetTabAndRevertIfNecessary(browser, disposition);
 240   new_tab->UserGestureDone();
 241   if (!new_tab->FocusLocationBarByDefault())
 242     new_tab->GetView()->Focus();
 243   if (ignore_cache)
 244     new_tab->GetController().ReloadIgnoringCache(true);
 245   else
 246     new_tab->GetController().Reload(true);
 247 }
 248
 249 bool IsShowingWebContentsModalDialog(const Browser* browser) {
 250   WebContents* web_contents =
 251       browser->tab_strip_model()->GetActiveWebContents();
 252   if (!web_contents)
 253     return false;
 254
 255   WebContentsModalDialogManager* web_contents_modal_dialog_manager =
 256       WebContentsModalDialogManager::FromWebContents(web_contents);
 257   return web_contents_modal_dialog_manager->IsDialogActive();
 258 }
 259
 260 bool PrintPreviewShowing(const Browser* browser) {
 261 #if defined(ENABLE_FULL_PRINTING)
 262   WebContents* contents = browser->tab_strip_model()->GetActiveWebContents();
 263   printing::PrintPreviewDialogController* controller =
 264       printing::PrintPreviewDialogController::GetInstance();
 265   return controller && (controller->GetPrintPreviewForContents(contents) ||
 266                         controller->is_creating_print_preview_dialog());
 267 #else
 268   return false;
 269 #endif
 270 }
 271
 272 }  // namespace
 273
 274 bool IsCommandEnabled(Browser* browser, int command) {
 275   return browser->command_controller()->command_updater()->IsCommandEnabled(
 276       command);
 277 }
 278
 279 bool SupportsCommand(Browser* browser, int command) {
 280   return browser->command_controller()->command_updater()->SupportsCommand(
 281       command);
 282 }
 283
 284 bool ExecuteCommand(Browser* browser, int command) {
 285   return browser->command_controller()->command_updater()->ExecuteCommand(
 286       command);
 287 }
 288
 289 bool ExecuteCommandWithDisposition(Browser* browser,
 290                                    int command,
 291                                    WindowOpenDisposition disposition) {
 292   return browser->command_controller()->command_updater()->
 293       ExecuteCommandWithDisposition(command, disposition);
 294 }
 295
 296 void UpdateCommandEnabled(Browser* browser, int command, bool enabled) {
 297   browser->command_controller()->command_updater()->UpdateCommandEnabled(
 298       command, enabled);
 299 }
 300
 301 void AddCommandObserver(Browser* browser,
 302                         int command,
 303                         CommandObserver* observer) {
 304   browser->command_controller()->command_updater()->AddCommandObserver(
 305       command, observer);
 306 }
 307
 308 void RemoveCommandObserver(Browser* browser,
 309                            int command,
 310                            CommandObserver* observer) {
 311   browser->command_controller()->command_updater()->RemoveCommandObserver(
 312       command, observer);
 313 }
 314
 315 int GetContentRestrictions(const Browser* browser) {
 316   int content_restrictions = 0;
 317   WebContents* current_tab = browser->tab_strip_model()->GetActiveWebContents();
 318   if (current_tab) {
 319     CoreTabHelper* core_tab_helper =
 320         CoreTabHelper::FromWebContents(current_tab);
 321     content_restrictions = core_tab_helper->content_restrictions();
 322     NavigationEntry* active_entry =
 323         current_tab->GetController().GetActiveEntry();
 324     // See comment in UpdateCommandsForTabState about why we call url().
 325     if (!content::IsSavableURL(
 326             active_entry ? active_entry->GetURL() : GURL()) ||
 327         current_tab->ShowingInterstitialPage())
 328       content_restrictions |= CONTENT_RESTRICTION_SAVE;
 329     if (current_tab->ShowingInterstitialPage())
 330       content_restrictions |= CONTENT_RESTRICTION_PRINT;
 331   }
 332   return content_restrictions;
 333 }
 334
 335 void NewEmptyWindow(Profile* profile, HostDesktopType desktop_type) {
 336   bool incognito = profile->IsOffTheRecord();
 337   PrefService* prefs = profile->GetPrefs();
 338   if (incognito) {
 339     if (IncognitoModePrefs::GetAvailability(prefs) ==
 340           IncognitoModePrefs::DISABLED) {
 341       incognito = false;
 342     }
 343   } else {
 344     if (browser_defaults::kAlwaysOpenIncognitoWindow &&
 345         IncognitoModePrefs::ShouldLaunchIncognito(
 346             *CommandLine::ForCurrentProcess(), prefs)) {
 347       incognito = true;
 348     }
 349   }
 350
 351   if (incognito) {
 352     content::RecordAction(UserMetricsAction("NewIncognitoWindow"));
 353     OpenEmptyWindow(profile->GetOffTheRecordProfile(), desktop_type);
 354   } else {
 355     content::RecordAction(UserMetricsAction("NewWindow"));
 356     SessionService* session_service =
 357         SessionServiceFactory::GetForProfileForSessionRestore(
 358             profile->GetOriginalProfile());
 359     if (!session_service ||
 360         !session_service->RestoreIfNecessary(std::vector<GURL>())) {
 361       OpenEmptyWindow(profile->GetOriginalProfile(), desktop_type);
 362     }
 363   }
 364 }
 365
 366 Browser* OpenEmptyWindow(Profile* profile, HostDesktopType desktop_type) {
 367   Browser* browser = new Browser(
 368       Browser::CreateParams(Browser::TYPE_TABBED, profile, desktop_type));
 369   AddTabAt(browser, GURL(), -1, true);
 370   browser->window()->Show();
 371   return browser;
 372 }
 373
 374 void OpenWindowWithRestoredTabs(Profile* profile,
 375                                 HostDesktopType host_desktop_type) {
 376   TabRestoreService* service = TabRestoreServiceFactory::GetForProfile(profile);
 377   if (service)
 378     service->RestoreMostRecentEntry(NULL, host_desktop_type);
 379 }
 380
 381 void OpenURLOffTheRecord(Profile* profile,
 382                          const GURL& url,
 383                          chrome::HostDesktopType desktop_type) {
 384   ScopedTabbedBrowserDisplayer displayer(profile->GetOffTheRecordProfile(),
 385                                          desktop_type);
 386   AddSelectedTabWithURL(displayer.browser(), url,
 387       content::PAGE_TRANSITION_LINK);
 388 }
 389
 390 bool CanGoBack(const Browser* browser) {
 391   return browser->tab_strip_model()->GetActiveWebContents()->
 392       GetController().CanGoBack();
 393 }
 394
 395 void GoBack(Browser* browser, WindowOpenDisposition disposition) {
 396   content::RecordAction(UserMetricsAction("Back"));
 397
 398   if (CanGoBack(browser)) {
 399     WebContents* current_tab =
 400         browser->tab_strip_model()->GetActiveWebContents();
 401     WebContents* new_tab = GetTabAndRevertIfNecessary(browser, disposition);
 402     // If we are on an interstitial page and clone the tab, it won't be copied
 403     // to the new tab, so we don't need to go back.
 404     if ((new_tab == current_tab) || !current_tab->ShowingInterstitialPage())
 405       new_tab->GetController().GoBack();
 406   }
 407 }
 408
 409 bool CanGoForward(const Browser* browser) {
 410   return browser->tab_strip_model()->GetActiveWebContents()->
 411       GetController().CanGoForward();
 412 }
 413
 414 void GoForward(Browser* browser, WindowOpenDisposition disposition) {
 415   content::RecordAction(UserMetricsAction("Forward"));
 416   if (CanGoForward(browser)) {
 417     GetTabAndRevertIfNecessary(browser, disposition)->
 418         GetController().GoForward();
 419   }
 420 }
 421
 422 bool NavigateToIndexWithDisposition(Browser* browser,
 423                                     int index,
 424                                     WindowOpenDisposition disposition) {
 425   NavigationController* controller =
 426       &GetTabAndRevertIfNecessary(browser, disposition)->GetController();
 427   if (index < 0 || index >= controller->GetEntryCount())
 428     return false;
 429   controller->GoToIndex(index);
 430   return true;
 431 }
 432
 433 void Reload(Browser* browser, WindowOpenDisposition disposition) {
 434   content::RecordAction(UserMetricsAction("Reload"));
 435   ReloadInternal(browser, disposition, false);
 436 }
 437
 438 void ReloadIgnoringCache(Browser* browser, WindowOpenDisposition disposition) {
 439   content::RecordAction(UserMetricsAction("ReloadIgnoringCache"));
 440   ReloadInternal(browser, disposition, true);
 441 }
 442
 443 bool CanReload(const Browser* browser) {
 444   return !browser->is_devtools();
 445 }
 446
 447 void Home(Browser* browser, WindowOpenDisposition disposition) {
 448   content::RecordAction(UserMetricsAction("Home"));
 449
 450   std::string extra_headers;
 451 #if defined(ENABLE_RLZ) && !defined(OS_IOS)
 452   // If the home page is a Google home page, add the RLZ header to the request.
 453   PrefService* pref_service = browser->profile()->GetPrefs();
 454   if (pref_service) {
 455     if (google_util::IsGoogleHomePageUrl(
 456         GURL(pref_service->GetString(prefs::kHomePage)))) {
 457       extra_headers = RLZTracker::GetAccessPointHttpHeader(
 458           RLZTracker::CHROME_HOME_PAGE);
 459     }
 460   }
 461 #endif  // defined(ENABLE_RLZ) && !defined(OS_IOS)
 462
 463   GURL url = browser->profile()->GetHomePage();
 464
 465   // Streamlined hosted apps should return to their launch page when the home
 466   // button is pressed.
 467   if (browser->is_app()) {
 468     const ExtensionService* service = browser->profile()->GetExtensionService();
 469     if (!service)
 470       return;
 471
 472     const extensions::Extension* extension =
 473         service->GetInstalledExtension(
 474             web_app::GetExtensionIdFromApplicationName(browser->app_name()));
 475     if (!extension)
 476       return;
 477
 478     url = extensions::AppLaunchInfo::GetLaunchWebURL(extension);
 479   }
 480
 481   OpenURLParams params(
 482       url, Referrer(), disposition,
 483       content::PageTransitionFromInt(
 484           content::PAGE_TRANSITION_AUTO_BOOKMARK |
 485           content::PAGE_TRANSITION_HOME_PAGE),
 486       false);
 487   params.extra_headers = extra_headers;
 488   browser->OpenURL(params);
 489 }
 490
 491 void OpenCurrentURL(Browser* browser) {
 492   content::RecordAction(UserMetricsAction("LoadURL"));
 493   LocationBar* location_bar = browser->window()->GetLocationBar();
 494   if (!location_bar)
 495     return;
 496
 497   GURL url(location_bar->GetDestinationURL());
 498
 499   content::PageTransition page_transition = location_bar->GetPageTransition();
 500   content::PageTransition page_transition_without_qualifier(
 501       PageTransitionStripQualifier(page_transition));
 502   WindowOpenDisposition open_disposition =
 503       location_bar->GetWindowOpenDisposition();
 504   // A PAGE_TRANSITION_TYPED means the user has typed a URL. We do not want to
 505   // open URLs with instant_controller since in some cases it disregards it
 506   // and performs a search instead. For example, when using CTRL-Enter, the
 507   // location_bar is aware of the URL but instant is not.
 508   // Instant should also not handle PAGE_TRANSITION_RELOAD because its knowledge
 509   // of the omnibox text may be stale if the user focuses in the omnibox and
 510   // presses enter without typing anything.
 511   if (page_transition_without_qualifier != content::PAGE_TRANSITION_TYPED &&
 512       page_transition_without_qualifier != content::PAGE_TRANSITION_RELOAD &&
 513       browser->instant_controller() &&
 514       browser->instant_controller()->OpenInstant(open_disposition, url))
 515     return;
 516
 517   NavigateParams params(browser, url, page_transition);
 518   params.disposition = open_disposition;
 519   // Use ADD_INHERIT_OPENER so that all pages opened by the omnibox at least
 520   // inherit the opener. In some cases the tabstrip will determine the group
 521   // should be inherited, in which case the group is inherited instead of the
 522   // opener.
 523   params.tabstrip_add_types =
 524       TabStripModel::ADD_FORCE_INDEX | TabStripModel::ADD_INHERIT_OPENER;
 525   Navigate(&params);
 526
 527   DCHECK(browser->profile()->GetExtensionService());
 528   const extensions::Extension* extension =
 529       browser->profile()->GetExtensionService()->GetInstalledApp(url);
 530   if (extension) {
 531     CoreAppLauncherHandler::RecordAppLaunchType(
 532         extension_misc::APP_LAUNCH_OMNIBOX_LOCATION,
 533         extension->GetType());
 534   }
 535 }
 536
 537 void Stop(Browser* browser) {
 538   content::RecordAction(UserMetricsAction("Stop"));
 539   browser->tab_strip_model()->GetActiveWebContents()->Stop();
 540 }
 541
 542 #if !defined(OS_WIN)
 543 void NewWindow(Browser* browser) {
 544   NewEmptyWindow(browser->profile()->GetOriginalProfile(),
 545                  browser->host_desktop_type());
 546 }
 547
 548 void NewIncognitoWindow(Browser* browser) {
 549   NewEmptyWindow(browser->profile()->GetOffTheRecordProfile(),
 550                  browser->host_desktop_type());
 551 }
 552 #endif  // OS_WIN
 553
 554 void CloseWindow(Browser* browser) {
 555   content::RecordAction(UserMetricsAction("CloseWindow"));
 556   browser->window()->Close();
 557 }
 558
 559 void NewTab(Browser* browser) {
 560   content::RecordAction(UserMetricsAction("NewTab"));
 561   // TODO(asvitkine): This is invoked programmatically from several places.
 562   // Audit the code and change it so that the histogram only gets collected for
 563   // user-initiated commands.
 564   UMA_HISTOGRAM_ENUMERATION("Tab.NewTab", TabStripModel::NEW_TAB_COMMAND,
 565                             TabStripModel::NEW_TAB_ENUM_COUNT);
 566
 567   if (browser->is_type_tabbed()) {
 568     AddTabAt(browser, GURL(), -1, true);
 569     browser->tab_strip_model()->GetActiveWebContents()->GetView()->
 570         RestoreFocus();
 571   } else {
 572     ScopedTabbedBrowserDisplayer displayer(browser->profile(),
 573                                            browser->host_desktop_type());
 574     Browser* b = displayer.browser();
 575     AddTabAt(b, GURL(), -1, true);
 576     b->window()->Show();
 577     // The call to AddBlankTabAt above did not set the focus to the tab as its
 578     // window was not active, so we have to do it explicitly.
 579     // See http://crbug.com/6380.
 580     b->tab_strip_model()->GetActiveWebContents()->GetView()->RestoreFocus();
 581   }
 582 }
 583
 584 void CloseTab(Browser* browser) {
 585   content::RecordAction(UserMetricsAction("CloseTab_Accelerator"));
 586   browser->tab_strip_model()->CloseSelectedTabs();
 587 }
 588
 589 void RestoreTab(Browser* browser) {
 590   content::RecordAction(UserMetricsAction("RestoreTab"));
 591   TabRestoreService* service =
 592       TabRestoreServiceFactory::GetForProfile(browser->profile());
 593   if (service)
 594     service->RestoreMostRecentEntry(browser->tab_restore_service_delegate(),
 595                                     browser->host_desktop_type());
 596 }
 597
 598 TabStripModelDelegate::RestoreTabType GetRestoreTabType(
 599     const Browser* browser) {
 600   TabRestoreService* service =
 601       TabRestoreServiceFactory::GetForProfile(browser->profile());
 602   if (!service || service->entries().empty())
 603     return TabStripModelDelegate::RESTORE_NONE;
 604   if (service->entries().front()->type == TabRestoreService::WINDOW)
 605     return TabStripModelDelegate::RESTORE_WINDOW;
 606   return TabStripModelDelegate::RESTORE_TAB;
 607 }
 608
 609 void SelectNextTab(Browser* browser) {
 610   content::RecordAction(UserMetricsAction("SelectNextTab"));
 611   browser->tab_strip_model()->SelectNextTab();
 612 }
 613
 614 void SelectPreviousTab(Browser* browser) {
 615   content::RecordAction(UserMetricsAction("SelectPrevTab"));
 616   browser->tab_strip_model()->SelectPreviousTab();
 617 }
 618
 619 void MoveTabNext(Browser* browser) {
 620   content::RecordAction(UserMetricsAction("MoveTabNext"));
 621   browser->tab_strip_model()->MoveTabNext();
 622 }
 623
 624 void MoveTabPrevious(Browser* browser) {
 625   content::RecordAction(UserMetricsAction("MoveTabPrevious"));
 626   browser->tab_strip_model()->MoveTabPrevious();
 627 }
 628
 629 void SelectNumberedTab(Browser* browser, int index) {
 630   if (index < browser->tab_strip_model()->count()) {
 631     content::RecordAction(UserMetricsAction("SelectNumberedTab"));
 632     browser->tab_strip_model()->ActivateTabAt(index, true);
 633   }
 634 }
 635
 636 void SelectLastTab(Browser* browser) {
 637   content::RecordAction(UserMetricsAction("SelectLastTab"));
 638   browser->tab_strip_model()->SelectLastTab();
 639 }
 640
 641 void DuplicateTab(Browser* browser) {
 642   content::RecordAction(UserMetricsAction("Duplicate"));
 643   DuplicateTabAt(browser, browser->tab_strip_model()->active_index());
 644 }
 645
 646 bool CanDuplicateTab(const Browser* browser) {
 647   WebContents* contents = browser->tab_strip_model()->GetActiveWebContents();
 648   return contents && contents->GetController().GetLastCommittedEntry();
 649 }
 650
 651 WebContents* DuplicateTabAt(Browser* browser, int index) {
 652   WebContents* contents = browser->tab_strip_model()->GetWebContentsAt(index);
 653   CHECK(contents);
 654   WebContents* contents_dupe = contents->Clone();
 655
 656   bool pinned = false;
 657   if (browser->CanSupportWindowFeature(Browser::FEATURE_TABSTRIP)) {
 658     // If this is a tabbed browser, just create a duplicate tab inside the same
 659     // window next to the tab being duplicated.
 660     int index = browser->tab_strip_model()->GetIndexOfWebContents(contents);
 661     pinned = browser->tab_strip_model()->IsTabPinned(index);
 662     int add_types = TabStripModel::ADD_ACTIVE |
 663         TabStripModel::ADD_INHERIT_GROUP |
 664         (pinned ? TabStripModel::ADD_PINNED : 0);
 665     browser->tab_strip_model()->InsertWebContentsAt(
 666         index + 1, contents_dupe, add_types);
 667   } else {
 668     Browser* new_browser = NULL;
 669     if (browser->is_app() &&
 670         !browser->is_type_popup()) {
 671       new_browser = new Browser(
 672           Browser::CreateParams::CreateForApp(browser->type(),
 673                                               browser->app_name(),
 674                                               gfx::Rect(),
 675                                               browser->profile(),
 676                                               browser->host_desktop_type()));
 677     } else {
 678       new_browser = new Browser(
 679           Browser::CreateParams(browser->type(), browser->profile(),
 680                                 browser->host_desktop_type()));
 681     }
 682     // Preserve the size of the original window. The new window has already
 683     // been given an offset by the OS, so we shouldn't copy the old bounds.
 684     BrowserWindow* new_window = new_browser->window();
 685     new_window->SetBounds(gfx::Rect(new_window->GetRestoredBounds().origin(),
 686                           browser->window()->GetRestoredBounds().size()));
 687
 688     // We need to show the browser now.  Otherwise ContainerWin assumes the
 689     // WebContents is invisible and won't size it.
 690     new_browser->window()->Show();
 691
 692     // The page transition below is only for the purpose of inserting the tab.
 693     new_browser->tab_strip_model()->AddWebContents(
 694         contents_dupe, -1,
 695         content::PAGE_TRANSITION_LINK,
 696         TabStripModel::ADD_ACTIVE);
 697   }
 698
 699   SessionService* session_service =
 700       SessionServiceFactory::GetForProfileIfExisting(browser->profile());
 701   if (session_service)
 702     session_service->TabRestored(contents_dupe, pinned);
 703   return contents_dupe;
 704 }
 705
 706 bool CanDuplicateTabAt(Browser* browser, int index) {
 707   content::NavigationController& nc =
 708       browser->tab_strip_model()->GetWebContentsAt(index)->GetController();
 709   return nc.GetWebContents() && nc.GetLastCommittedEntry();
 710 }
 711
 712 void ConvertPopupToTabbedBrowser(Browser* browser) {
 713   content::RecordAction(UserMetricsAction("ShowAsTab"));
 714   TabStripModel* tab_strip = browser->tab_strip_model();
 715   WebContents* contents =
 716       tab_strip->DetachWebContentsAt(tab_strip->active_index());
 717   Browser* b = new Browser(Browser::CreateParams(browser->profile(),
 718                                                  browser->host_desktop_type()));
 719   b->tab_strip_model()->AppendWebContents(contents, true);
 720   b->window()->Show();
 721 }
 722
 723 void Exit() {
 724   content::RecordAction(UserMetricsAction("Exit"));
 725   chrome::AttemptUserExit();
 726 }
 727
 728 void BookmarkCurrentPage(Browser* browser) {
 729   DCHECK(!chrome::ShouldRemoveBookmarkThisPageUI(browser->profile()));
 730
 731   const extensions::Extension* extension = NULL;
 732   extensions::Command command;
 733   extensions::CommandService::ExtensionCommandType command_type;
 734   if (GetBookmarkOverrideCommand(browser->profile(),
 735                                  &extension,
 736                                  &command,
 737                                  &command_type)) {
 738     switch (command_type) {
 739       case extensions::CommandService::NAMED:
 740         browser->window()->ExecuteExtensionCommand(extension, command);
 741         return;
 742
 743       case extensions::CommandService::BROWSER_ACTION:
 744         // BookmarkCurrentPage is called through a user gesture, so it is safe
 745         // to call ShowBrowserActionPopup.
 746         browser->window()->ShowBrowserActionPopup(extension);
 747         return;
 748
 749       case extensions::CommandService::PAGE_ACTION:
 750         browser->window()->ShowPageActionPopup(extension);
 751         return;
 752     };
 753   }
 754
 755   BookmarkCurrentPageInternal(browser, false);
 756 }
 757
 758 void BookmarkCurrentPageFromStar(Browser* browser) {
 759   BookmarkCurrentPageInternal(browser, true);
 760 }
 761
 762 bool CanBookmarkCurrentPage(const Browser* browser) {
 763   return CanBookmarkCurrentPageInternal(browser, true);
 764 }
 765
 766 void BookmarkAllTabs(Browser* browser) {
 767   chrome::ShowBookmarkAllTabsDialog(browser);
 768 }
 769
 770 bool CanBookmarkAllTabs(const Browser* browser) {
 771   return browser->tab_strip_model()->count() > 1 &&
 772              !chrome::ShouldRemoveBookmarkOpenPagesUI(browser->profile()) &&
 773              CanBookmarkCurrentPageInternal(browser, false);
 774 }
 775
 776 void Translate(Browser* browser) {
 777   if (!browser->window()->IsActive())
 778     return;
 779
 780   WebContents* web_contents =
 781       browser->tab_strip_model()->GetActiveWebContents();
 782   TranslateTabHelper* translate_tab_helper =
 783       TranslateTabHelper::FromWebContents(web_contents);
 784
 785   TranslateTabHelper::TranslateStep step = TranslateTabHelper::BEFORE_TRANSLATE;
 786   if (translate_tab_helper) {
 787     if (translate_tab_helper->GetLanguageState().translation_pending())
 788       step = TranslateTabHelper::TRANSLATING;
 789     else if (translate_tab_helper->GetLanguageState().IsPageTranslated())
 790       step = TranslateTabHelper::AFTER_TRANSLATE;
 791   }
 792   browser->window()->ShowTranslateBubble(
 793       web_contents, step, TranslateErrors::NONE);
 794 }
 795
 796 void TogglePagePinnedToStartScreen(Browser* browser) {
 797 #if defined(OS_WIN)
 798   MetroPinTabHelper::FromWebContents(
 799       browser->tab_strip_model()->GetActiveWebContents())->
 800           TogglePinnedToStartScreen();
 801 #endif
 802 }
 803
 804 void SavePage(Browser* browser) {
 805   content::RecordAction(UserMetricsAction("SavePage"));
 806   WebContents* current_tab = browser->tab_strip_model()->GetActiveWebContents();
 807   if (current_tab && current_tab->GetContentsMimeType() == "application/pdf")
 808     content::RecordAction(UserMetricsAction("PDF.SavePage"));
 809   current_tab->OnSavePage();
 810 }
 811
 812 bool CanSavePage(const Browser* browser) {
 813   // LocalState can be NULL in tests.
 814   if (g_browser_process->local_state() &&
 815       !g_browser_process->local_state()->GetBoolean(
 816       prefs::kAllowFileSelectionDialogs)) {
 817     return false;
 818   }
 819   return !browser->is_devtools() &&
 820       !(GetContentRestrictions(browser) & CONTENT_RESTRICTION_SAVE);
 821 }
 822
 823 void ShowFindBar(Browser* browser) {
 824   browser->GetFindBarController()->Show();
 825 }
 826
 827 void ShowWebsiteSettings(Browser* browser,
 828                          content::WebContents* web_contents,
 829                          const GURL& url,
 830                          const SSLStatus& ssl) {
 831   browser->window()->ShowWebsiteSettings(
 832       Profile::FromBrowserContext(web_contents->GetBrowserContext()),
 833       web_contents, url, ssl);
 834 }
 835
 836
 837 void Print(Browser* browser) {
 838 #if defined(ENABLE_PRINTING)
 839   WebContents* contents = browser->tab_strip_model()->GetActiveWebContents();
 840 #if defined(ENABLE_FULL_PRINTING)
 841   printing::PrintViewManager* print_view_manager =
 842       printing::PrintViewManager::FromWebContents(contents);
 843   if (browser->profile()->GetPrefs()->GetBoolean(prefs::kPrintPreviewDisabled))
 844     print_view_manager->PrintNow();
 845   else
 846     print_view_manager->PrintPreviewNow(false);
 847 #else
 848   printing::PrintViewManagerBasic* print_view_manager =
 849       printing::PrintViewManagerBasic::FromWebContents(contents);
 850   print_view_manager->PrintNow();
 851 #endif  // defined(ENABLE_FULL_PRINTING)
 852 #endif  // defined(ENABLE_PRINTING)
 853 }
 854
 855 bool CanPrint(const Browser* browser) {
 856   // Do not print when printing is disabled via pref or policy.
 857   // Do not print when a constrained window is showing. It's confusing.
 858   return browser->profile()->GetPrefs()->GetBoolean(prefs::kPrintingEnabled) &&
 859       !(IsShowingWebContentsModalDialog(browser) ||
 860       GetContentRestrictions(browser) & CONTENT_RESTRICTION_PRINT);
 861 }
 862
 863 void AdvancedPrint(Browser* browser) {
 864 #if defined(ENABLE_FULL_PRINTING)
 865   printing::PrintViewManager* print_view_manager =
 866       printing::PrintViewManager::FromWebContents(
 867           browser->tab_strip_model()->GetActiveWebContents());
 868   print_view_manager->AdvancedPrintNow();
 869 #endif
 870 }
 871
 872 bool CanAdvancedPrint(const Browser* browser) {
 873   // If printing is not disabled via pref or policy, it is always possible to
 874   // advanced print when the print preview is visible.  The exception to this
 875   // is under Win8 ash, since showing the advanced print dialog will open it
 876   // modally on the Desktop and hang the browser.  We can remove this check
 877   // once we integrate with the system print charm.
 878 #if defined(OS_WIN)
 879   if (chrome::GetActiveDesktop() == chrome::HOST_DESKTOP_TYPE_ASH)
 880     return false;
 881 #endif
 882
 883   return browser->profile()->GetPrefs()->GetBoolean(prefs::kPrintingEnabled) &&
 884       (PrintPreviewShowing(browser) || CanPrint(browser));
 885 }
 886
 887 void PrintToDestination(Browser* browser) {
 888 #if defined(ENABLE_FULL_PRINTING)
 889   printing::PrintViewManager* print_view_manager =
 890       printing::PrintViewManager::FromWebContents(
 891           browser->tab_strip_model()->GetActiveWebContents());
 892   print_view_manager->PrintToDestination();
 893 #endif
 894 }
 895
 896 void EmailPageLocation(Browser* browser) {
 897   content::RecordAction(UserMetricsAction("EmailPageLocation"));
 898   WebContents* wc = browser->tab_strip_model()->GetActiveWebContents();
 899   DCHECK(wc);
 900
 901   std::string title = net::EscapeQueryParamValue(
 902       base::UTF16ToUTF8(wc->GetTitle()), false);
 903   std::string page_url = net::EscapeQueryParamValue(wc->GetURL().spec(), false);
 904   std::string mailto = std::string("mailto:?subject=Fwd:%20") +
 905       title + "&body=%0A%0A" + page_url;
 906   platform_util::OpenExternal(browser->profile(), GURL(mailto));
 907 }
 908
 909 bool CanEmailPageLocation(const Browser* browser) {
 910   return browser->toolbar_model()->ShouldDisplayURL() &&
 911       browser->tab_strip_model()->GetActiveWebContents()->GetURL().is_valid();
 912 }
 913
 914 void Cut(Browser* browser) {
 915   content::RecordAction(UserMetricsAction("Cut"));
 916   browser->window()->Cut();
 917 }
 918
 919 void Copy(Browser* browser) {
 920   content::RecordAction(UserMetricsAction("Copy"));
 921   browser->window()->Copy();
 922 }
 923
 924 void Paste(Browser* browser) {
 925   content::RecordAction(UserMetricsAction("Paste"));
 926   browser->window()->Paste();
 927 }
 928
 929 void Find(Browser* browser) {
 930   content::RecordAction(UserMetricsAction("Find"));
 931   FindInPage(browser, false, false);
 932 }
 933
 934 void FindNext(Browser* browser) {
 935   content::RecordAction(UserMetricsAction("FindNext"));
 936   FindInPage(browser, true, true);
 937 }
 938
 939 void FindPrevious(Browser* browser) {
 940   content::RecordAction(UserMetricsAction("FindPrevious"));
 941   FindInPage(browser, true, false);
 942 }
 943
 944 void FindInPage(Browser* browser, bool find_next, bool forward_direction) {
 945   ShowFindBar(browser);
 946   if (find_next) {
 947     base::string16 find_text;
 948     FindTabHelper* find_helper = FindTabHelper::FromWebContents(
 949         browser->tab_strip_model()->GetActiveWebContents());
 950 #if defined(OS_MACOSX)
 951     // We always want to search for the current contents of the find bar on
 952     // OS X. For regular profile it's always the current find pboard. For
 953     // Incognito window it's the newest value of the find pboard content and
 954     // user-typed text.
 955     FindBar* find_bar = browser->GetFindBarController()->find_bar();
 956     find_text = find_bar->GetFindText();
 957 #endif
 958     find_helper->StartFinding(find_text, forward_direction, false);
 959   }
 960 }
 961
 962 void Zoom(Browser* browser, content::PageZoom zoom) {
 963   chrome_page_zoom::Zoom(browser->tab_strip_model()->GetActiveWebContents(),
 964                          zoom);
 965 }
 966
 967 void FocusToolbar(Browser* browser) {
 968   content::RecordAction(UserMetricsAction("FocusToolbar"));
 969   browser->window()->FocusToolbar();
 970 }
 971
 972 void FocusLocationBar(Browser* browser) {
 973   content::RecordAction(UserMetricsAction("FocusLocation"));
 974   browser->window()->SetFocusToLocationBar(true);
 975 }
 976
 977 void FocusSearch(Browser* browser) {
 978   // TODO(beng): replace this with FocusLocationBar
 979   content::RecordAction(UserMetricsAction("FocusSearch"));
 980   browser->window()->GetLocationBar()->FocusSearch();
 981 }
 982
 983 void FocusAppMenu(Browser* browser) {
 984   content::RecordAction(UserMetricsAction("FocusAppMenu"));
 985   browser->window()->FocusAppMenu();
 986 }
 987
 988 void FocusBookmarksToolbar(Browser* browser) {
 989   content::RecordAction(UserMetricsAction("FocusBookmarksToolbar"));
 990   browser->window()->FocusBookmarksToolbar();
 991 }
 992
 993 void FocusInfobars(Browser* browser) {
 994   content::RecordAction(UserMetricsAction("FocusInfobars"));
 995   browser->window()->FocusInfobars();
 996 }
 997
 998 void FocusNextPane(Browser* browser) {
 999   content::RecordAction(UserMetricsAction("FocusNextPane"));
1000   browser->window()->RotatePaneFocus(true);
1001 }
1002
1003 void FocusPreviousPane(Browser* browser) {
1004   content::RecordAction(UserMetricsAction("FocusPreviousPane"));
1005   browser->window()->RotatePaneFocus(false);
1006 }
1007
1008 void ToggleDevToolsWindow(Browser* browser, DevToolsToggleAction action) {
1009   if (action.type() == DevToolsToggleAction::kShowConsole)
1010     content::RecordAction(UserMetricsAction("DevTools_ToggleConsole"));
1011   else
1012     content::RecordAction(UserMetricsAction("DevTools_ToggleWindow"));
1013   DevToolsWindow::ToggleDevToolsWindow(browser, action);
1014 }
1015
1016 bool CanOpenTaskManager() {
1017 #if defined(ENABLE_TASK_MANAGER)
1018 #if defined(OS_WIN)
1019   // In metro we can't display the task manager, as it is a native window.
1020   return !win8::IsSingleWindowMetroMode();
1021 #else
1022   return true;
1023 #endif
1024 #else
1025   return false;
1026 #endif
1027 }
1028
1029 void OpenTaskManager(Browser* browser) {
1030 #if defined(ENABLE_TASK_MANAGER)
1031   content::RecordAction(UserMetricsAction("TaskManager"));
1032   chrome::ShowTaskManager(browser);
1033 #else
1034   NOTREACHED();
1035 #endif
1036 }
1037
1038 void OpenFeedbackDialog(Browser* browser) {
1039   content::RecordAction(UserMetricsAction("Feedback"));
1040   chrome::ShowFeedbackPage(browser, std::string(), std::string());
1041 }
1042
1043 void ToggleBookmarkBar(Browser* browser) {
1044   content::RecordAction(UserMetricsAction("ShowBookmarksBar"));
1045   ToggleBookmarkBarWhenVisible(browser->profile());
1046 }
1047
1048 void ShowAppMenu(Browser* browser) {
1049   // We record the user metric for this event in WrenchMenu::RunMenu.
1050   browser->window()->ShowAppMenu();
1051 }
1052
1053 void ShowAvatarMenu(Browser* browser) {
1054   browser->window()->ShowAvatarBubbleFromAvatarButton(
1055       BrowserWindow::AVATAR_BUBBLE_MODE_DEFAULT);
1056 }
1057
1058 void OpenUpdateChromeDialog(Browser* browser) {
1059   if (UpgradeDetector::GetInstance()->is_outdated_install()) {
1060     content::NotificationService::current()->Notify(
1061         chrome::NOTIFICATION_OUTDATED_INSTALL,
1062         content::NotificationService::AllSources(),
1063         content::NotificationService::NoDetails());
1064   } else if (UpgradeDetector::GetInstance()->is_outdated_install_no_au()) {
1065     content::NotificationService::current()->Notify(
1066         chrome::NOTIFICATION_OUTDATED_INSTALL_NO_AU,
1067         content::NotificationService::AllSources(),
1068         content::NotificationService::NoDetails());
1069   } else {
1070     content::RecordAction(UserMetricsAction("UpdateChrome"));
1071     browser->window()->ShowUpdateChromeDialog();
1072   }
1073 }
1074
1075 void ToggleSpeechInput(Browser* browser) {
1076   WebContents* web_contents =
1077       browser->tab_strip_model()->GetActiveWebContents();
1078   web_contents->GetRenderViewHost()->ToggleSpeechInput();
1079
1080   SearchTabHelper* search_tab_helper =
1081       SearchTabHelper::FromWebContents(web_contents);
1082   // |search_tab_helper| can be null in unit tests.
1083   if (search_tab_helper)
1084     search_tab_helper->ToggleVoiceSearch();
1085 }
1086
1087 bool CanRequestTabletSite(WebContents* current_tab) {
1088   if (!current_tab)
1089     return false;
1090   return current_tab->GetController().GetActiveEntry() != NULL;
1091 }
1092
1093 bool IsRequestingTabletSite(Browser* browser) {
1094   WebContents* current_tab = browser->tab_strip_model()->GetActiveWebContents();
1095   if (!current_tab)
1096     return false;
1097   content::NavigationEntry* entry =
1098       current_tab->GetController().GetActiveEntry();
1099   if (!entry)
1100     return false;
1101   return entry->GetIsOverridingUserAgent();
1102 }
1103
1104 void ToggleRequestTabletSite(Browser* browser) {
1105   WebContents* current_tab = browser->tab_strip_model()->GetActiveWebContents();
1106   if (!current_tab)
1107     return;
1108   NavigationController& controller = current_tab->GetController();
1109   NavigationEntry* entry = controller.GetActiveEntry();
1110   if (!entry)
1111     return;
1112   if (entry->GetIsOverridingUserAgent()) {
1113     entry->SetIsOverridingUserAgent(false);
1114   } else {
1115     entry->SetIsOverridingUserAgent(true);
1116     chrome::VersionInfo version_info;
1117     std::string product;
1118     if (version_info.is_valid())
1119       product = version_info.ProductNameAndVersionForUserAgent();
1120     current_tab->SetUserAgentOverride(content::BuildUserAgentFromOSAndProduct(
1121         kOsOverrideForTabletSite, product));
1122   }
1123   controller.ReloadOriginalRequestURL(true);
1124 }
1125
1126 void ToggleFullscreenMode(Browser* browser) {
1127   DCHECK(browser);
1128   browser->fullscreen_controller()->ToggleBrowserFullscreenMode();
1129 }
1130
1131 void ClearCache(Browser* browser) {
1132   BrowsingDataRemover* remover =
1133       BrowsingDataRemover::CreateForUnboundedRange(browser->profile());
1134   remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
1135                   BrowsingDataHelper::UNPROTECTED_WEB);
1136   // BrowsingDataRemover takes care of deleting itself when done.
1137 }
1138
1139 bool IsDebuggerAttachedToCurrentTab(Browser* browser) {
1140   WebContents* contents = browser->tab_strip_model()->GetActiveWebContents();
1141   return contents ?
1142       content::DevToolsAgentHost::IsDebuggerAttached(contents) : false;
1143 }
1144
1145 void ViewSource(Browser* browser, WebContents* contents) {
1146   DCHECK(contents);
1147
1148   // Use the last committed entry, since the pending entry hasn't loaded yet and
1149   // won't be copied into the cloned tab.
1150   NavigationEntry* entry = contents->GetController().GetLastCommittedEntry();
1151   if (!entry)
1152     return;
1153
1154   ViewSource(browser, contents, entry->GetURL(), entry->GetPageState());
1155 }
1156
1157 void ViewSource(Browser* browser,
1158                 WebContents* contents,
1159                 const GURL& url,
1160                 const content::PageState& page_state) {
1161   content::RecordAction(UserMetricsAction("ViewSource"));
1162   DCHECK(contents);
1163
1164   // Note that Clone does not copy the pending or transient entries, so the
1165   // active entry in view_source_contents will be the last committed entry.
1166   WebContents* view_source_contents = contents->Clone();
1167   DCHECK(view_source_contents->GetController().CanPruneAllButLastCommitted());
1168   view_source_contents->GetController().PruneAllButLastCommitted();
1169   NavigationEntry* active_entry =
1170       view_source_contents->GetController().GetActiveEntry();
1171   if (!active_entry)
1172     return;
1173
1174   GURL view_source_url =
1175       GURL(content::kViewSourceScheme + std::string(":") + url.spec());
1176   active_entry->SetVirtualURL(view_source_url);
1177
1178   // Do not restore scroller position.
1179   active_entry->SetPageState(page_state.RemoveScrollOffset());
1180
1181   // Do not restore title, derive it from the url.
1182   active_entry->SetTitle(base::string16());
1183
1184   // Now show view-source entry.
1185   if (browser->CanSupportWindowFeature(Browser::FEATURE_TABSTRIP)) {
1186     // If this is a tabbed browser, just create a duplicate tab inside the same
1187     // window next to the tab being duplicated.
1188     int index = browser->tab_strip_model()->GetIndexOfWebContents(contents);
1189     int add_types = TabStripModel::ADD_ACTIVE |
1190         TabStripModel::ADD_INHERIT_GROUP;
1191     browser->tab_strip_model()->InsertWebContentsAt(
1192         index + 1,
1193         view_source_contents,
1194         add_types);
1195   } else {
1196     Browser* b = new Browser(
1197         Browser::CreateParams(Browser::TYPE_TABBED, browser->profile(),
1198                               browser->host_desktop_type()));
1199
1200     // Preserve the size of the original window. The new window has already
1201     // been given an offset by the OS, so we shouldn't copy the old bounds.
1202     BrowserWindow* new_window = b->window();
1203     new_window->SetBounds(gfx::Rect(new_window->GetRestoredBounds().origin(),
1204                           browser->window()->GetRestoredBounds().size()));
1205
1206     // We need to show the browser now. Otherwise ContainerWin assumes the
1207     // WebContents is invisible and won't size it.
1208     b->window()->Show();
1209
1210     // The page transition below is only for the purpose of inserting the tab.
1211     b->tab_strip_model()->AddWebContents(view_source_contents, -1,
1212                                          content::PAGE_TRANSITION_LINK,
1213                                          TabStripModel::ADD_ACTIVE);
1214   }
1215
1216   SessionService* session_service =
1217       SessionServiceFactory::GetForProfileIfExisting(browser->profile());
1218   if (session_service)
1219     session_service->TabRestored(view_source_contents, false);
1220 }
1221
1222 void ViewSelectedSource(Browser* browser) {
1223   ViewSource(browser, browser->tab_strip_model()->GetActiveWebContents());
1224 }
1225
1226 bool CanViewSource(const Browser* browser) {
1227   return !browser->is_devtools() &&
1228       browser->tab_strip_model()->GetActiveWebContents()->GetController().
1229           CanViewSource();
1230 }
1231
1232 void CreateApplicationShortcuts(Browser* browser) {
1233   content::RecordAction(UserMetricsAction("CreateShortcut"));
1234   extensions::TabHelper::FromWebContents(
1235       browser->tab_strip_model()->GetActiveWebContents())->
1236           CreateApplicationShortcuts();
1237 }
1238
1239 void CreateHostedAppFromCurrentWebContents(Browser* browser) {
1240   content::RecordAction(UserMetricsAction("CreateHostedApp"));
1241   extensions::TabHelper::FromWebContents(
1242       browser->tab_strip_model()->GetActiveWebContents())->
1243           CreateHostedAppFromWebContents();
1244 }
1245
1246 bool CanCreateApplicationShortcuts(const Browser* browser) {
1247   return extensions::TabHelper::FromWebContents(
1248       browser->tab_strip_model()->GetActiveWebContents())->
1249           CanCreateApplicationShortcuts();
1250 }
1251
1252 void ConvertTabToAppWindow(Browser* browser,
1253                            content::WebContents* contents) {
1254   const GURL& url = contents->GetController().GetActiveEntry()->GetURL();
1255   std::string app_name = web_app::GenerateApplicationNameFromURL(url);
1256
1257   int index = browser->tab_strip_model()->GetIndexOfWebContents(contents);
1258   if (index >= 0)
1259     browser->tab_strip_model()->DetachWebContentsAt(index);
1260
1261   Browser* app_browser = new Browser(
1262       Browser::CreateParams::CreateForApp(
1263           Browser::TYPE_POPUP, app_name, gfx::Rect(), browser->profile(),
1264           browser->host_desktop_type()));
1265   app_browser->tab_strip_model()->AppendWebContents(contents, true);
1266
1267   contents->GetMutableRendererPrefs()->can_accept_load_drops = false;
1268   contents->GetRenderViewHost()->SyncRendererPrefs();
1269   app_browser->window()->Show();
1270 }
1271
1272 }  // namespace chrome