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

ui/gfx/animation/animation.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_H_
 #define UI_GFX_ANIMATION_ANIMATION_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
 #include "ui/gfx/animation/animation_container_element.h"
 
 namespace gfx {
 class Rect;
 }
 
 namespace gfx {
 
 class AnimationContainer;
 class AnimationDelegate;
 
 // Base class used in implementing animations. You only need use this class if
 // you're implementing a new animation type, otherwise you'll likely want one of
 // LinearAnimation, SlideAnimation, ThrobAnimation or MultiAnimation.
 //
 // To subclass override Step, which is invoked as the animation progresses and
 // GetCurrentValue() to return the value appropriate to the animation.
-class GFX_EXPORT Animation : public AnimationContainerElement {
+class ANIMATION_EXPORT Animation : public AnimationContainerElement {
  public:
   explicit Animation(base::TimeDelta timer_interval);
   ~Animation() override;
 
   // Starts the animation. Does nothing if the animation is already running.
   void Start();
 
   // Stops the animation. Does nothing if the animation is not running.
   void Stop();
 
@@ skipping 66 matching lines @@
 
   // Time we started at.
   base::TimeTicks start_time_;
 
   DISALLOW_COPY_AND_ASSIGN(Animation);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_ANIMATION_ANIMATION_H_