Cleanup: Remove forward declarations in various chrome/browser directories.

chrome/browser/ui/views/fullscreen_exit_bubble_views.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_FULLSCREEN_EXIT_BUBBLE_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_FULLSCREEN_EXIT_BUBBLE_VIEWS_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/ui/fullscreen_exit_bubble.h"
 #include "googleurl/src/gurl.h"
 #include "views/controls/link_listener.h"
 
+namespace ui {
+class SlideAnimation;
+}
+
 namespace views {
 class View;
 class Widget;
 }
 
 // FullscreenExitBubbleViews is responsible for showing a bubble atop the
 // screen in fullscreen mode, telling users how to exit and providing a click
 // target. The bubble auto-hides, and re-shows when the user moves to the
 // screen top.
 class FullscreenExitBubbleViews : public views::LinkListener,
@@ skipping 37 matching lines @@
   virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
   virtual void AnimationEnded(const ui::Animation* animation) OVERRIDE;
 
   // The contents of the popup.
   FullscreenExitView* view_;
 
   DISALLOW_COPY_AND_ASSIGN(FullscreenExitBubbleViews);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FULLSCREEN_EXIT_BUBBLE_VIEWS_H_