Devtools: Move animation to separate module

Source/devtools/front_end/animation/AnimationControlPane.js

 // Copyright (c) 2015 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.
 
 /**
  * @constructor
  * @extends {WebInspector.StylesSidebarPane.BaseToolbarPaneWidget}
  */
 WebInspector.AnimationControlPane = function(toolbarItem)
 {
@@ skipping 23 matching lines @@
 }
 
 WebInspector.AnimationControlPane.prototype = {
 
     /**
      * @param {!Event} event
      */
     _playbackSliderInputHandler: function (event)
     {
         this._animationsPlaybackRate = WebInspector.AnimationTimeline.GlobalPlaybackRates[event.target.value];
-        this._target.animationModel.setPlaybackRate(this._animationsPaused ? 0 : this._animationsPlaybackRate);
+        WebInspector.AnimationModel.fromTarget(this._target).setPlaybackRate(this._animationsPaused ? 0 : this._animationsPlaybackRate);
         this._animationsPlaybackLabel.textContent = this._animationsPlaybackRate + "x";
         WebInspector.userMetrics.AnimationsPlaybackRateChanged.record();
     },
 
     _pauseButtonHandler: function ()
     {
         this._animationsPaused = !this._animationsPaused;
-        this._target.animationModel.setPlaybackRate(this._animationsPaused ? 0 : this._animationsPlaybackRate);
+        WebInspector.AnimationModel.fromTarget(this._target).setPlaybackRate(this._animationsPaused ? 0 : this._animationsPlaybackRate);
         WebInspector.userMetrics.AnimationsPlaybackRateChanged.record();
         this._animationsPauseButton.element.classList.toggle("pause-toolbar-item");
         this._animationsPauseButton.element.classList.toggle("play-toolbar-item");
     },
 
     /**
      * @param {!WebInspector.Event=} event
      */
     _updateAnimationsPlaybackRate: function(event)
     {
@@ skipping 79 matching lines @@
 
     /**
      * @override
      * @return {!WebInspector.ToolbarItem}
      */
     item: function()
     {
         return this._button;
     }
 }