Remove Downcasting RVContextMenuBase in ContextMenuDeleagate implementations.

chrome/browser/renderer_context_menu/render_view_context_menu_test_util.h

 // Copyright 2014 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_RENDERER_CONTEXT_MENU_RENDER_VIEW_CONTEXT_MENU_TEST_UTIL_H_
 #define CHROME_BROWSER_RENDERER_CONTEXT_MENU_RENDER_VIEW_CONTEXT_MENU_TEST_UTIL_H_
 
 #include "base/basictypes.h"
 #include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
 #include "url/gurl.h"
@@ skipping 19 matching lines @@
 
   // Factory.
   // This is a lightweight method to create a test RenderViewContextMenu
   // instance.
   // Use the constructor if you want to create menu with fine-grained params.
   static TestRenderViewContextMenu* Create(content::WebContents* web_contents,
                                            const GURL& page_url,
                                            const GURL& link_url,
                                            const GURL& frame_url);
 
+  void CalculateScreenCoordinatesInParams() override {}
+
   // Implementation of pure virtuals in RenderViewContextMenu.
   bool GetAcceleratorForCommandId(int command_id,
                                   ui::Accelerator* accelerator) override;
 
   // Returns true if command specified by |command_id| is present
   // in the menu.
   // List of command ids can be found in chrome/app/chrome_command_ids.h.
   bool IsItemPresent(int command_id);
 
   // Searches for an menu item with |command_id|. If it's found, the return
   // value is true and the model and index where it appears in that model are
   // returned in |found_model| and |found_index|. Otherwise returns false.
   bool GetMenuModelAndItemIndex(int command_id,
                                 ui::MenuModel** found_model,
                                 int* found_index);
 
 #if defined(ENABLE_EXTENSIONS)
   extensions::ContextMenuMatcher& extension_items() { return extension_items_; }
 #endif
 
+  void Show() override {}
+
  private:
   DISALLOW_COPY_AND_ASSIGN(TestRenderViewContextMenu);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_CONTEXT_MENU_RENDER_VIEW_CONTEXT_MENU_TEST_UTIL_H_