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

ui/base/animation/animation_container.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_CONTAINER_H_
-#define APP_ANIMATION_CONTAINER_H_
+#ifndef UI_BASE_ANIMATION_ANIMATION_CONTAINER_H_
+#define UI_BASE_ANIMATION_ANIMATION_CONTAINER_H_
 #pragma once
 
 #include <set>
 
 #include "base/ref_counted.h"
 #include "base/time.h"
 #include "base/timer.h"
 
+namespace ui {
+
 class AnimationContainerElement;
 class AnimationContainerObserver;
 
 // AnimationContainer is used by Animation to manage the underlying timer.
 // Internally each Animation creates a single AnimationContainer. You can
 // group a set of Animations into the same AnimationContainer by way of
 // Animation::SetContainer. Grouping a set of Animations into the same
 // AnimationContainer ensures they all update and start at the same time.
 //
 // AnimationContainer is ref counted. Each Animation contained within the
@@ skipping 51 matching lines @@
   // Minimum interval the timers run at.
   base::TimeDelta min_timer_interval_;
 
   base::RepeatingTimer<AnimationContainer> timer_;
 
   AnimationContainerObserver* observer_;
 
   DISALLOW_COPY_AND_ASSIGN(AnimationContainer);
 };
 
-#endif  // APP_ANIMATION_CONTAINER_H_
+}  // namespace ui
+
+#endif  // UI_BASE_ANIMATION_ANIMATION_CONTAINER_H_