[DevTools] Remove relativeToElement from Dialog.

Source/devtools/front_end/timeline/TimelinePanel.js

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2012 Intel 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.
@@ skipping 687 matching lines @@
     },
 
     /**
      * @param {boolean} userInitiated
      */
     _startRecording: function(userInitiated)
     {
         console.assert(!this._statusDialog, "Status dialog is already opened.");
         this._statusDialog = new WebInspector.TimelinePanel.StatusDialog();
         this._statusDialog.addEventListener(WebInspector.TimelinePanel.StatusDialog.Events.Finish, this._stopRecording, this);
-        WebInspector.Dialog.show(null, this._statusDialog, true);
+        WebInspector.Dialog.show(this._statusDialog, true);
         this._updateStatus(WebInspector.UIString("Initializing recording\u2026"));
 
         this._autoRecordGeneration = userInitiated ? null : {};
         this._model.startRecording(true, this._enableJSSamplingSettingSetting.get(), this._captureMemorySetting.get(), this._captureLayersAndPicturesSetting.get(), this._captureFilmStripSetting && this._captureFilmStripSetting.get());
         if (this._lazyFrameModel)
             this._lazyFrameModel.setMergeRecords(false);
 
         for (var i = 0; i < this._overviewControls.length; ++i)
             this._overviewControls[i].timelineStarted();
 
@@ skipping 1320 matching lines @@
      * @param {!WebInspector.Context} context
      * @param {string} actionId
      */
     handleAction: function(context, actionId)
     {
         var panel = WebInspector.context.flavor(WebInspector.TimelinePanel);
         console.assert(panel && panel instanceof WebInspector.TimelinePanel);
         panel._toggleTimelineButtonClicked();
     }
 }