Move ui/gfx/animation/ into its own component.

ui/gfx/animation/animation_delegate.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 UI_GFX_ANIMATION_ANIMATION_DELEGATE_H_
 #define UI_GFX_ANIMATION_ANIMATION_DELEGATE_H_
 
-#include "ui/gfx/gfx_export.h"
+#include "ui/gfx/animation/animation_export.h"
 
 namespace gfx {
 
 class Animation;
 
 // AnimationDelegate
 //
 //  Implement this interface when you want to receive notifications about the
 //  state of an animation.
-class GFX_EXPORT AnimationDelegate {
+class ANIMATION_EXPORT AnimationDelegate {
  public:
   virtual ~AnimationDelegate() {}
 
   // Called when an animation has completed.
   virtual void AnimationEnded(const Animation* animation) {}
 
   // Called when an animation has progressed.
   virtual void AnimationProgressed(const Animation* animation) {}
 
   // Called when an animation has been canceled.
   virtual void AnimationCanceled(const Animation* animation) {}
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_ANIMATION_ANIMATION_DELEGATE_H_