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

content/browser/tab_contents/tab_contents_delegate.cc

 // 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.
 
 #include "content/browser/tab_contents/tab_contents_delegate.h"
 
 #include "base/compiler_specific.h"
 #include "base/memory/singleton.h"
 #include "content/browser/javascript_dialogs.h"
 #include "content/common/url_constants.h"
@@ skipping 76 matching lines @@
 }
 
 int TabContentsDelegate::GetExtraRenderViewHeight() const {
   return 0;
 }
 
 bool TabContentsDelegate::HandleContextMenu(const ContextMenuParams& params) {
   return false;
 }
 
-bool TabContentsDelegate::ExecuteContextMenuCommand(int command) {
+bool TabContentsDelegate::ExecuteContextMenuCommand(int command,
+                                                    int event_flags) {
   return false;
 }
 
 void TabContentsDelegate::ShowPageInfo(Profile* profile,
                                        const GURL& url,
                                        const NavigationEntry::SSLStatus& ssl,
                                        bool show_history) {
 }
 
 void TabContentsDelegate::ViewSourceForTab(TabContents* source,
@@ skipping 124 matching lines @@
   friend struct DefaultSingletonTraits<JavaScriptDialogCreatorStub>;
 };
 
 content::JavaScriptDialogCreator*
 TabContentsDelegate::GetJavaScriptDialogCreator() {
   return JavaScriptDialogCreatorStub::GetInstance();
 }
 
 TabContentsDelegate::~TabContentsDelegate() {
 }