app: Remove animation header files.

app/throb_animation.h

-// Copyright (c) 2006-2008 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_THROB_ANIMATION_H_
-#define APP_THROB_ANIMATION_H_
-#pragma once
-
-#include "app/slide_animation.h"
-
-// A subclass of SlideAnimation that can continually slide. All of the Animation
-// methods behave like that of SlideAnimation: transition to the next state.
-// The StartThrobbing method causes the ThrobAnimation to cycle between hidden
-// and shown for a set number of cycles.
-//
-// A ThrobAnimation has two durations: the duration used when behavior like
-// a SlideAnimation, and the duration used when throbbing.
-class ThrobAnimation : public SlideAnimation {
- public:
-  explicit ThrobAnimation(AnimationDelegate* target);
-  virtual ~ThrobAnimation() {}
-
-  // Starts throbbing. cycles_til_stop gives the number of cycles to do before
-  // stopping. A negative value means "throb indefinitely".
-  void StartThrobbing(int cycles_til_stop);
-
-  // Sets the duration of the slide animation when throbbing.
-  void SetThrobDuration(int duration) { throb_duration_ = duration; }
-
-  // Overridden to reset to the slide duration.
-  virtual void Reset();
-  virtual void Show();
-  virtual void Hide();
-
-  // Overridden to maintain the slide duration.
-  virtual void SetSlideDuration(int duration);
-
-  // The number of cycles remaining until the animation stops.
-  void set_cycles_remaining(int value) { cycles_remaining_ = value; }
-  int cycles_remaining() const { return cycles_remaining_; }
-
- protected:
-  // Overriden to continually throb (assuming we're throbbing).
-  virtual void Step(base::TimeTicks time_now);
-
- private:
-  // Resets state such that we behave like SlideAnimation.
-  void ResetForSlide();
-
-  // Duration of the slide animation.
-  int slide_duration_;
-
-  // Duration of the slide animation when throbbing.
-  int throb_duration_;
-
-  // If throbbing, this is the number of cycles left.
-  int cycles_remaining_;
-
-  // Are we throbbing?
-  bool throbbing_;
-
-  DISALLOW_COPY_AND_ASSIGN(ThrobAnimation);
-};
-
-#endif  // APP_THROB_ANIMATION_H_