DevTools: Add ability to go to paint record and paint profiler in Timeline from layers view.

Source/devtools/front_end/timeline/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 438 matching lines @@
             this._lastFrame._addTimeForCategory(categoryName, selfTime);
             return;
         }
 
         if (!this._framePendingCommit && WebInspector.TracingTimelineFrameModel._mainFrameMarkers.indexOf(event.name) >= 0)
             this._framePendingCommit = new WebInspector.PendingFrame();
         if (!this._framePendingCommit)
             return;
         if (event.name === eventNames.Paint && event.args["data"]["layerId"] && event.picture) {
             /** @type {!WebInspector.LayerPaintEvent} */
-            var paintEvent = {layerId: event.args["data"]["layerId"], picture: event.picture, rect: event.layerRect};
+            var paintEvent = {layerId: event.args["data"]["layerId"], picture: event.picture, rect: event.layerRect, traceEvent: event};
             this._framePendingCommit.paints.push(paintEvent);
         }
 
         if (selfTime) {
             var categoryName = WebInspector.TracingTimelineUIUtils.eventStyle(event).category.name;
             this._framePendingCommit.timeByCategory[categoryName] = (this._framePendingCommit.timeByCategory[categoryName] || 0) + selfTime;
         }
         if (event.name === eventNames.CompositeLayers && event.args["layerTreeId"] === this._layerTreeId)
             this.handleCompositeLayers();
     },
@@ skipping 102 matching lines @@
      * @param {number} time
      */
     _addTimeForCategory: function(category, time)
     {
         this.timeByCategory[category] = (this.timeByCategory[category] || 0) + time;
         this.cpuTime += time;
     },
 }
 
 /**
- * @typedef {!{layerId: string, rect: !Array.<number>, picture: string}}
+ * @typedef {!{layerId: string, rect: !Array.<number>, picture: string, traceEvent: !WebInspector.TracingModel.Event}}
  */
 WebInspector.LayerPaintEvent;
 
 /**
  * @constructor
  */
 WebInspector.PendingFrame = function()
 {
     /** @type {!Object.<string, number>} */
     this.timeByCategory = {};
     /** @type {!Array.<!WebInspector.LayerPaintEvent>} */
     this.paints = [];
 }