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

chrome/browser/automation/automation_provider_win.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 "chrome/browser/automation/automation_provider.h"
 
 #include "base/debug/trace_event.h"
 #include "base/json/json_reader.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/automation/automation_browser_tracker.h"
@@ skipping 345 matching lines @@
       NOTREACHED();
       return;
     }
 
     TabContents* tab_contents = tab->tab_contents();
     if (!tab_contents || !tab_contents->delegate()) {
       NOTREACHED();
       return;
     }
 
-    tab_contents->delegate()->ExecuteContextMenuCommand(command);
+    tab_contents->delegate()->ExecuteContextMenuCommand(command, 0);
   }
 }
 
 void AutomationProvider::ConnectExternalTab(
     uint64 cookie,
     bool allow,
     gfx::NativeWindow parent_window,
     gfx::NativeWindow* tab_container_window,
     gfx::NativeWindow* tab_window,
     int* tab_handle,
@@ skipping 86 matching lines @@
 void AutomationProvider::OnSetZoomLevel(int handle, int zoom_level) {
   if (tab_tracker_->ContainsHandle(handle)) {
     NavigationController* tab = tab_tracker_->GetResource(handle);
     if (tab->tab_contents() && tab->tab_contents()->render_view_host()) {
       RenderViewHost* host = tab->tab_contents()->render_view_host();
       PageZoom::Function zoom = static_cast<PageZoom::Function>(zoom_level);
       host->Send(new ViewMsg_Zoom(host->routing_id(), zoom));
     }
   }
 }