DevTools: Fix timeline overview glimpse on view mode changes.

Source/devtools/front_end/ui_lazy/TimelineOverviewPane.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 177 matching lines @@
     setOverviewControls: function(overviewControls)
     {
         for (var i = 0; i < this._overviewControls.length; ++i)
             this._overviewControls[i].dispose();
 
         for (var i = 0; i < overviewControls.length; ++i) {
             overviewControls[i].setCalculator(this._overviewCalculator);
             overviewControls[i].show(this._overviewGrid.element);
         }
         this._overviewControls = overviewControls;
-        this.scheduleUpdate();
+        this._update();
     },
 
     /**
      * @param {number} minimumBoundary
      * @param {number} maximumBoundary
      */
     setBounds: function(minimumBoundary, maximumBoundary)
     {
         this._overviewCalculator.setBounds(minimumBoundary, maximumBoundary);
         this._overviewGrid.setResizeEnabled(true);
@@ skipping 413 matching lines @@
     },
 
     resetCanvas: function()
     {
         this._canvas.width = this.element.clientWidth * window.devicePixelRatio;
         this._canvas.height = this.element.clientHeight * window.devicePixelRatio;
     },
 
     __proto__: WebInspector.VBox.prototype
 }