DevTools: rebaseline inspector tests with poor expectations (2).

Source/devtools/front_end/timeline/TimelineModel.js

 /*
  * Copyright (C) 2012 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 637 matching lines @@
     _stopProfilingOnAllTargets: function()
     {
         var targets = this._profiling ? this._targets : [];
         this._profiling = false;
         return Promise.all(targets.map(this._stopProfilingOnTarget, this));
     },
 
     /**
      * @param {string} categories
      * @param {boolean=} enableJSSampling
+     * @param {function(?string)=} callback
      */
-    _startRecordingWithCategories: function(categories, enableJSSampling)
+    _startRecordingWithCategories: function(categories, enableJSSampling, callback)
     {
         if (!this._targets.length)
             return;
         WebInspector.targetManager.suspendAllTargets();
         var profilingStartedPromise = enableJSSampling && !Runtime.experiments.isEnabled("timelineTracingJSProfile") ?
             this._startProfilingOnAllTargets() : Promise.resolve();
         var samplingFrequencyHz = WebInspector.moduleSetting("highResolutionCpuProfiling").get() ? 10000 : 1000;
         var options = "sampling-frequency=" + samplingFrequencyHz;
         var tracingManager = this._targets[0].tracingManager;
-        profilingStartedPromise.then(tracingManager.start.bind(tracingManager, this, categories, options, undefined));
+        profilingStartedPromise.then(tracingManager.start.bind(tracingManager, this, categories, options, callback));
     },
 
     /**
      * @param {boolean} fromFile
      */
     _startCollectingTraceEvents: function(fromFile)
     {
         this._tracingModel.reset();
         this.reset();
         this.dispatchEventToListeners(WebInspector.TimelineModel.Events.RecordingStarted, { fromFile: fromFile });
@@ skipping 1403 matching lines @@
         /** @type {!Object.<string, !Array.<!WebInspector.InvalidationTrackingEvent>>} */
         this._invalidations = {};
         /** @type {!Object.<number, !Array.<!WebInspector.InvalidationTrackingEvent>>} */
         this._invalidationsByNodeId = {};
 
         this._lastRecalcStyle = undefined;
         this._lastPaintWithLayer = undefined;
         this._didPaint = false;
     }
 }