Timeline: remove TimelineModel inferred properties from TracingModel.Event

third_party/WebKit/Source/devtools/front_end/timeline/TimelinePaintProfilerView.js

 // Copyright 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.
 /**
  * @unrestricted
  */
 WebInspector.TimelinePaintProfilerView = class extends WebInspector.SplitWidget {
   /**
    * @param {!WebInspector.TimelineFrameModel} frameModel
    */
@@ skipping 45 matching lines @@
    * @return {boolean}
    */
   setEvent(target, event) {
     this._releaseSnapshot();
     this._target = target;
     this._pendingSnapshot = null;
     this._event = event;
 
     this._updateWhenVisible();
     if (this._event.name === WebInspector.TimelineModel.RecordType.Paint)
-      return !!event.picture;
+      return !!WebInspector.TimelineData.forEvent(event).picture;
     if (this._event.name === WebInspector.TimelineModel.RecordType.RasterTask)
       return this._frameModel.hasRasterTile(this._event);
     return false;
   }
 
   _updateWhenVisible() {
     if (this.isShowing())
       this._update();
     else
       this._needsUpdateWhenVisible = true;
   }
 
   _update() {
     this._logTreeView.setCommandLog(null, []);
     this._paintProfilerView.setSnapshotAndLog(null, [], null);
 
     var snapshotPromise;
     if (this._pendingSnapshot)
       snapshotPromise = Promise.resolve({rect: null, snapshot: this._pendingSnapshot});
     else if (this._event.name === WebInspector.TimelineModel.RecordType.Paint) {
-      snapshotPromise = this._event.picture.objectPromise()
+      var picture = WebInspector.TimelineData.forEvent(this._event).picture;
+      snapshotPromise = picture.objectPromise()
                             .then(data => WebInspector.PaintProfilerSnapshot.load(this._target, data['skp64']))
                             .then(snapshot => snapshot && {rect: null, snapshot: snapshot});
     } else if (this._event.name === WebInspector.TimelineModel.RecordType.RasterTask) {
       snapshotPromise = this._frameModel.rasterTilePromise(this._event);
     } else {
       console.assert(false, 'Unexpected event type or no snapshot');
       return;
     }
     snapshotPromise.then(snapshotWithRect => {
       this._releaseSnapshot();
@@ skipping 105 matching lines @@
   }
 
   /**
    * @param {?Protocol.DOM.Rect} maskRectangle
    */
   setMask(maskRectangle) {
     this._maskRectangle = maskRectangle;
     this._maskElement.classList.toggle('hidden', !maskRectangle);
   }
 };