DevTools: follow up to r392483, do not run animation groups when paused.

third_party/WebKit/Source/devtools/front_end/animation/AnimationTimeline.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.VBox}
  * @implements {WebInspector.TargetManager.Observer}
  */
 WebInspector.AnimationTimeline = function()
@@ skipping 247 matching lines @@
             this._controlButton.setState(WebInspector.AnimationTimeline._ControlState.Pause);
             this._controlButton.setTitle(WebInspector.UIString("Pause timeline"));
         }
     },
 
     /**
      * @return {number}
      */
     _effectivePlaybackRate: function()
     {
-        return this._selectedGroup && this._selectedGroup.paused() ? 0 : this._playbackRate;
+        return this._selectedGroup && this._selectedGroup.paused() ? 0 : (this._allPaused ? 0 : this._playbackRate);

[samli, 2016/05/10 00:55:21]

Nit: remove chained ternary

(this._selectedGroup && this._selectedGroup.paused()) || this._allPaused ? 0 :
this._playbackRate;

     },
 
     /**
      * @param {boolean} pause
      */
     _togglePause: function(pause)
     {
         this._selectedGroup.togglePause(pause);
         if (this._scrubberPlayer)
             this._scrubberPlayer.playbackRate = this._effectivePlaybackRate();
@@ skipping 498 matching lines @@
 
     /**
      * @override
      * @return {!WebInspector.ToolbarItem}
      */
     item: function()
     {
         return this._button;
     }
 }