components: Cleanup class/struct fwd declarations

components/renderer_context_menu/render_view_context_menu_base.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 COMPONENTS_RENDERER_CONTEXT_MENU_RENDER_VIEW_CONTEXT_MENU_BASE_H_
 #define COMPONENTS_RENDERER_CONTEXT_MENU_RENDER_VIEW_CONTEXT_MENU_BASE_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 12 matching lines @@
 #include "ppapi/features/features.h"
 #include "ui/base/models/simple_menu_model.h"
 #include "ui/base/page_transition_types.h"
 #include "ui/base/window_open_disposition.h"
 
 namespace content {
 class RenderFrameHost;
 class WebContents;
 }
 
-namespace gfx {
-class Point;
-}
-
-namespace blink {
-struct WebMediaPlayerAction;
-struct WebPluginAction;
-}
-
 class RenderViewContextMenuBase : public ui::SimpleMenuModel::Delegate,
                                   public RenderViewContextMenuProxy {
  public:
   // A delegate interface to communicate with the toolkit used by
   // the embedder.
   class ToolkitDelegate {
    public:
     virtual ~ToolkitDelegate() {}
     // Initialize the toolkit's menu.
     virtual void Init(ui::SimpleMenuModel* menu_model) = 0;
@@ skipping 150 matching lines @@
   bool AppendCustomItems();
 
   std::unique_ptr<ToolkitDelegate> toolkit_delegate_;
 
   ScopedVector<ui::SimpleMenuModel> custom_submenus_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewContextMenuBase);
 };
 
 #endif  // COMPONENTS_RENDERER_CONTEXT_MENU_RENDER_VIEW_CONTEXT_MENU_BASE_H_