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

chrome/browser/ui/views/event_utils.h

 // Copyright (c) 2006-2008 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_VIEWS_EVENT_UTILS_H__
 #define CHROME_BROWSER_UI_VIEWS_EVENT_UTILS_H__
 #pragma once
 
 #include "webkit/glue/window_open_disposition.h"
 
 namespace views {
 class MouseEvent;
 }
 
 namespace event_utils {
 
-// Translates event flags into what kind of disposition they represents.
-// For example, a middle click would mean to open a background tab.
-// event_flags are the flags as understood by views::MouseEvent.
-WindowOpenDisposition DispositionFromEventFlags(int event_flags);
-
 // Returns true if the specified mouse event may have a
 // WindowOptionDisposition.
 bool IsPossibleDispositionEvent(const views::MouseEvent& event);
 
 }
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EVENT_UTILS_H__