[DevTools] Cleanup frontend-in-iframe support.

Source/devtools/front_end/main/Main.js

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2007 Matt Lilek (pewtermoose@gmail.com).
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 610 matching lines @@
     evaluateForTestInFrontend: function(callId, script)
     {
         WebInspector.evaluateForTestInFrontend(callId, script);
     }
 }
 
 WebInspector.reload = function()
 {
     if (WebInspector.dockController.canDock() && WebInspector.dockController.dockSide() === WebInspector.DockController.State.Undocked)
         InspectorFrontendHost.setIsDocked(true, function() {});
-    window.top.location.reload();
+    window.location.reload();
 }
 
 /**
  * @constructor
  * @implements {WebInspector.ActionDelegate}
  */
 WebInspector.Main.ReloadActionDelegate = function()
 {
 }
 
@@ skipping 197 matching lines @@
     p.classList.add("help-section");
     p.textContent = WebInspector.UIString("Inspected worker has terminated. Once it restarts we will attach to it automatically.");
 }
 
 WebInspector.WorkerTerminatedScreen.prototype = {
 
     __proto__: WebInspector.HelpScreen.prototype
 }
 
 new WebInspector.Main();