[DevTools] Host paint profiles in PaintProfilerModel

third_party/WebKit/Source/devtools/front_end/timeline_model/TimelineFrameModel.js

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 487 matching lines @@
       var rect = result['params'] && result['params']['layer_rect'];
       var picture = result['skp64'];
       return rect && picture ? {rect: rect, serializedPicture: picture} : null;
     });
   }
 
   /**
    * @return !Promise<?{rect: !Array<number>, snapshot: !SDK.PaintProfilerSnapshot}>}
    */
   snapshotPromise() {
+    var paintProfilerModel = this._target && this._target.model(SDK.PaintProfilerModel);
     return this.picturePromise().then(picture => {
-      if (!picture || !this._target)
+      if (!picture || !paintProfilerModel)
         return null;
-      return SDK.PaintProfilerSnapshot.load(this._target, picture.serializedPicture)
+      return paintProfilerModel.loadSnapshot(picture.serializedPicture)
           .then(snapshot => snapshot ? {rect: picture.rect, snapshot: snapshot} : null);
     });
   }
 };
 
 /**
  * @unrestricted
  */
 TimelineModel.PendingFrame = class {
   /**
    * @param {number} triggerTime
    * @param {!Object.<string, number>} timeByCategory
    */
   constructor(triggerTime, timeByCategory) {
     /** @type {!Object.<string, number>} */
     this.timeByCategory = timeByCategory;
     /** @type {!Array.<!TimelineModel.LayerPaintEvent>} */
     this.paints = [];
     /** @type {number|undefined} */
     this.mainFrameId = undefined;
     this.triggerTime = triggerTime;
   }
 };