added CTRL+Click and SHIFT+Click handler for context menu, Back and Forward.

chrome/browser/ui/browser.h

 // Copyright (c) 2011 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 1030 matching lines @@
 
   // Create a preference dictionary for the provided application name, in the
   // given user profile. This is done only once per application name / per
   // session / per user profile.
   static void RegisterAppPrefs(const std::string& app_name, Profile* profile);
 
   // Shared code between Reload() and ReloadIgnoringCache().
   void ReloadInternal(WindowOpenDisposition disposition, bool ignore_cache);
 
   // Return true if the window dispositions means opening a new tab.
-  bool ShouldOpenNewTabForWindowDisposition(WindowOpenDisposition disposition);
+  //
+  bool ShouldOpenNewTabForDisposition(WindowOpenDisposition disposition);
 
   // Depending on the disposition, return the current tab or a clone of the
   // current tab.
   TabContents* GetOrCloneTabForDisposition(WindowOpenDisposition disposition);
 
+  // Depending on the disposition, return the wrapper containing the current
+  // tab or a clone of the current tab.
+  TabContentsWrapper* GetOrCloneTabWrapperForDisposition(
+      WindowOpenDisposition disposition);
+
+  // Depending on the disposition, create a new browser.
+  // When disposition is NEW_WINDOW, |tab_contents| will be added to
+  // a new browser which is created in this method.
+  void CreateNewBrowserForDisposition(TabContentsWrapper* tab_contents,
+                                      WindowOpenDisposition disposition);
+
   // Sets the insertion policy of the tabstrip based on whether vertical tabs
   // are enabled.
   void UpdateTabStripModelInsertionPolicy();
 
   // Invoked when the use vertical tabs preference changes. Resets the insertion
   // policy of the tab strip model and notifies the window.
   void UseVerticalTabsChanged();
 
   // Invoked when the use of the compact navigation bar preference changes.
   // Notifies the window.
@@ skipping 172 matching lines @@
   // Helper which implements the TabRestoreServiceDelegate interface.
   scoped_ptr<BrowserTabRestoreServiceDelegate> tab_restore_service_delegate_;
 
   scoped_ptr<InstantController> instant_;
   scoped_ptr<InstantUnloadHandler> instant_unload_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_