Move animation code to new ui/base/animation directory....

ui/base/animation/animation.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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 APP_ANIMATION_H_
-#define APP_ANIMATION_H_
+#ifndef UI_BASE_ANIMATION_ANIMATION_H_
+#define UI_BASE_ANIMATION_ANIMATION_H_
 #pragma once
 
-#include "app/animation_container_element.h"
 #include "base/ref_counted.h"
 #include "base/time.h"
+#include "ui/base/animation/animation_container_element.h"
 
 namespace gfx {
 class Rect;
 }
 
+namespace ui {
+
 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 Animation : public AnimationContainerElement {
@@ skipping 68 matching lines @@
 
   // Container we're in. If non-null we're animating.
   scoped_refptr<AnimationContainer> container_;
 
   // Time we started at.
   base::TimeTicks start_time_;
 
   DISALLOW_COPY_AND_ASSIGN(Animation);
 };
 
-#endif  // APP_ANIMATION_H_
+}  // namespace ui
+
+#endif  // UI_BASE_ANIMATION_ANIMATION_H_