DevTools: fix animations panel after image loading became async

third_party/WebKit/Source/devtools/front_end/animation/AnimationModel.js

 // Copyright (c) 2014 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.SDKModel}
  * @param {!WebInspector.Target} target
  */
@@ skipping 802 matching lines @@
     /**
      * @param {!WebInspector.AnimationModel.AnimationGroup} group
      */
     _update: function(group)
     {
         this._model._releaseAnimations(this._animationIds());
         this._animations = group._animations;
     },
 
     /**
+     * @param {function(?)=} onImageLoad

[lushnikov, 2016/08/01 23:16:11]

Let's not pass onImageLoad here

[luoe, 2016/08/02 00:24:10]

Yeah, I should have realized this was awkward.  Moved to a public
setOnScreenshotsLoaded() function.

      * @return {!Array.<!Image>}
      */
-    screenshots: function()
+    screenshots: function(onImageLoad)
     {
         for (var i = 0; i < this._screenshots.length; ++i) {
             var image = new Image();
+            if (onImageLoad)
+                image.onload = /** @type {function(?Event)} **/ (onImageLoad);
             image.src = "data:image/jpeg;base64," + this._screenshots[i];
             this._screenshotImages.push(image);
         }
         this._screenshots = [];
         return this._screenshotImages;
     },
 
     __proto__: WebInspector.SDKObject.prototype
 }
 
@@ skipping 106 matching lines @@
         if (!this._capturing)
             return;
 
         delete this._stopTimer;
         delete this._endTime;
         this._requests = [];
         this._capturing = false;
         this._target.pageAgent().stopScreencast();
     }
 }