DevTools: Fix all outstanding JavaScript style issues.

third_party/WebKit/Source/devtools/front_end/main/OverlayController.js

 // Copyright 2015 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
  */
 WebInspector.OverlayController = function()
 {
     WebInspector.moduleSetting("disablePausedStateOverlay").addChangeListener(this._updateOverlayMessage, this);
     WebInspector.targetManager.addModelListener(WebInspector.DebuggerModel, WebInspector.DebuggerModel.Events.DebuggerPaused, this._updateOverlayMessage, this);
     WebInspector.targetManager.addModelListener(WebInspector.DebuggerModel, WebInspector.DebuggerModel.Events.DebuggerResumed, this._updateOverlayMessage, this);
     WebInspector.targetManager.addModelListener(WebInspector.DebuggerModel, WebInspector.DebuggerModel.Events.GlobalObjectCleared, this._updateOverlayMessage, this);
 }
 
 WebInspector.OverlayController.prototype = {
 
     /**
      * @param {!WebInspector.Event} event
      */
     _updateOverlayMessage: function(event)
     {
         var debuggerModel = /** @type {!WebInspector.DebuggerModel} */ (event.target);
         var message = debuggerModel.isPaused() && !WebInspector.moduleSetting("disablePausedStateOverlay").get() ? WebInspector.UIString("Paused in debugger") : undefined;
         debuggerModel.target().pageAgent().setOverlayMessage(message);
     }
-}
+}