Timeline: fill frames according to CPU time spent per event category

Source/devtools/front_end/timeline/TracingModel.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.
  */
 
 /**
  * @constructor
  * @extends {WebInspector.TargetAwareObject}
  */
@@ skipping 102 matching lines @@
     {
         if (!this._active) {
             callback();
             return;
         }
         this._pendingStopCallback = callback;
         TracingAgent.end();
     },
 
     /**
-     * @param {string} sessionId
-     */
-    setSessionIdForTest: function(sessionId)
-    {
-        this._sessionId = sessionId;
-    },
-
-    /**
      * @return {?string}
      */
     sessionId: function()
     {
         return this._sessionId;
     },
 
     /**
+     * @param {string} sessionId
+     * @param {!Array.<!WebInspector.TracingModel.EventPayload>} events
+     */
+    setEventsForTest: function(sessionId, events)
+    {
+        this.reset();
+        this._sessionId = sessionId;
+        this._eventsCollected(events);
+        this._tracingComplete();
+    },
+
+    /**
      * @param {number} usage
      */
     _bufferUsage: function(usage)
     {
         this.dispatchEventToListeners(WebInspector.TracingModel.Events.BufferUsage, usage);
     },
 
     /**
      * @param {!Array.<!WebInspector.TracingModel.EventPayload>} events
      */
@@ skipping 399 matching lines @@
     dataCollected: function(data)
     {
         this._tracingModel._eventsCollected(data);
     },
 
     tracingComplete: function()
     {
         this._tracingModel._tracingComplete();
     }
 }