Cleanup: Remove unneeded forward declarations from chrome/browser/ui/views.

chrome/browser/ui/views/browser_actions_container.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_BROWSER_ACTIONS_CONTAINER_H_
 #define CHROME_BROWSER_UI_VIEWS_BROWSER_ACTIONS_CONTAINER_H_
 #pragma once
 
 #include <set>
 #include <string>
@@ skipping 20 matching lines @@
 
 class Browser;
 class BrowserActionOverflowMenuController;
 class BrowserActionsContainer;
 class Extension;
 class ExtensionAction;
 class ExtensionPopup;
 class PrefService;
 class Profile;
 
-namespace gfx {
-class CanvasSkia;
-}
-
 namespace ui {
 class SlideAnimation;
 }
 
 namespace views {
 class MenuItemView;
 class ResizeArea;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ skipping 461 matching lines @@
 
   base::WeakPtrFactory<BrowserActionsContainer> task_factory_;
 
   // Handles delayed showing of the overflow menu when hovering.
   base::WeakPtrFactory<BrowserActionsContainer> show_menu_task_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserActionsContainer);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_BROWSER_ACTIONS_CONTAINER_H_