Implementation for switching between recently used tabs using ctrl tilde or quoteleft.

chrome/browser/ui/browser.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_BROWSER_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 47 matching lines @@
 class BrowserWindow;
 class ExtensionWindowController;
 class FindBarController;
 class FullscreenController;
 class InstantController;
 class InstantUnloadHandler;
 class PrefService;
 class Profile;
 class SkBitmap;
 class StatusBubble;
+class TabMRUListManager;
 class TabNavigation;
 class TabStripModel;
 struct WebApplicationInfo;
 class WebDialogDelegate;
 
 namespace content {
 class NavigationController;
 class SessionStorageNamespace;
 }
 
@@ skipping 434 matching lines @@
   void CloseWindow();
   void NewTab();
   void CloseTab();
   void SelectNextTab();
   void SelectPreviousTab();
   void OpenTabpose();
   void MoveTabNext();
   void MoveTabPrevious();
   void SelectNumberedTab(int index);
   void SelectLastTab();
+  void SelectNextMRUTab();
   void DuplicateTab();
   void WriteCurrentURLToClipboard();
   void ConvertPopupToTabbedBrowser();
   // In kiosk mode, the first toggle is valid, the rest is discarded.
   void ToggleFullscreenMode();
   // See the description of
   // FullscreenController::ToggleFullscreenModeWithExtension.
   void ToggleFullscreenModeWithExtension(const GURL& extension_url);
 #if defined(OS_MACOSX)
   void TogglePresentationMode();
@@ skipping 737 matching lines @@
   const Type type_;
 
   // This Browser's profile.
   Profile* const profile_;
 
   // This Browser's window.
   BrowserWindow* window_;
 
   scoped_ptr<TabStripModel> tab_strip_model_;
 
+  scoped_ptr<TabMRUListManager> tab_mru_list_manager_;
+
   // The CommandUpdater that manages the browser window commands.
   CommandUpdater command_updater_;
 
   // The application name that is also the name of the window to the shell.
   // This name should be set when:
   // 1) we launch an application via an application shortcut or extension API.
   // 2) we launch an undocked devtool window.
   std::string app_name_;
 
   // Type of app (host or child). See description of AppType.
@@ skipping 117 matching lines @@
   bool window_has_shown_;
 
   // Currently open color chooser. Non-NULL after OpenColorChooser is called and
   // before DidEndColorChooser is called.
   scoped_ptr<content::ColorChooser> color_chooser_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_