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

content/browser/tab_contents/tab_contents_delegate.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 CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_
 #pragma once
 
 #include <string>
 
@@ skipping 194 matching lines @@
   virtual void TabContentsFocused(TabContents* tab_content);
 
   // Return much extra vertical space should be allotted to the
   // render view widget during various animations (e.g. infobar closing).
   // This is used to make painting look smoother.
   virtual int GetExtraRenderViewHeight() const;
 
   // Returns true if the context menu operation was handled by the delegate.
   virtual bool HandleContextMenu(const ContextMenuParams& params);
 
-  // Returns true if the context menu command was handled
-  virtual bool ExecuteContextMenuCommand(int command);
+  // Returns true if the context menu command was handled.
+  // event_flags is a bitsum of ui::EventFlags.
+  virtual bool ExecuteContextMenuCommand(int command, int event_flags);
 
   // Shows the page info using the specified information.
   // |url| is the url of the page/frame the info applies to, |ssl| is the SSL
   // information for that page/frame.  If |show_history| is true, a section
   // showing how many times that URL has been visited is added to the page info.
   virtual void ShowPageInfo(Profile* profile,
                             const GURL& url,
                             const NavigationEntry::SSLStatus& ssl,
                             bool show_history);
 
@@ skipping 79 matching lines @@
   // Returns a pointer to a service to create JavaScript dialogs. The default
   // pointer returned is to a stub service that marks all dialogs as suppressed
   // and displays nothing.
   virtual content::JavaScriptDialogCreator* GetJavaScriptDialogCreator();
 
  protected:
   virtual ~TabContentsDelegate();
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_