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

ui/base/animation/multi_animation.h

Index: ui/base/animation/multi_animation.h
===================================================================
--- ui/base/animation/multi_animation.h	(revision 0)
+++ ui/base/animation/multi_animation.h	(working copy)
@@ -1,16 +1,18 @@
-// 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_MULTI_ANIMATION_H_
-#define APP_MULTI_ANIMATION_H_
+#ifndef UI_BASE_ANIMATION_MULTI_ANIMATION_H_
+#define UI_BASE_ANIMATION_MULTI_ANIMATION_H_
 #pragma once
 
 #include <vector>
 
-#include "app/animation.h"
-#include "app/tween.h"
+#include "ui/base/animation/animation.h"
+#include "ui/base/animation/tween.h"
 
+namespace ui {
+
 // MultiAnimation is an animation that consists of a number of sub animations.
 // To create a MultiAnimation pass in the parts, invoke Start() and the delegate
 // is notified as the animation progresses. By default MultiAnimation runs until
@@ -87,4 +89,6 @@
   DISALLOW_COPY_AND_ASSIGN(MultiAnimation);
 };
 
-#endif  // APP_MULTI_ANIMATION_H_
+}  // namespace ui
+
+#endif  // UI_BASE_ANIMATION_MULTI_ANIMATION_H_