Disable navigation contextual menus for Sync dialog UI....

chrome/browser/tab_contents/render_view_context_menu.h

 // Copyright (c) 2010 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_TAB_CONTENTS_RENDER_VIEW_CONTEXT_MENU_H_
 #define CHROME_BROWSER_TAB_CONTENTS_RENDER_VIEW_CONTEXT_MENU_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 45 matching lines @@
   TabContents* source_tab_contents_;
   Profile* profile_;
 
   menus::SimpleMenuModel menu_model_;
 
   // True if we are showing for an external tab contents. The default is false.
   bool external_;
 
  private:
   static bool IsDevToolsURL(const GURL& url);
+  static bool IsSyncResourcesURL(const GURL& url);
   bool AppendCustomItems();
   void AppendDeveloperItems();
   void AppendLinkItems();
   void AppendImageItems();
   void AppendAudioItems();
   void AppendVideoItems();
   void AppendMediaItems();
   void AppendPageItems();
   void AppendFrameItems();
   void AppendCopyItem();
@@ skipping 48 matching lines @@
   std::map<int, int> extension_item_map_;
 
   menus::SimpleMenuModel spellcheck_submenu_model_;
   menus::SimpleMenuModel bidi_submenu_model_;
   ScopedVector<menus::SimpleMenuModel> extension_menu_models_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewContextMenu);
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_RENDER_VIEW_CONTEXT_MENU_H_