DevTools: reformat front-end code to match chromium style.

third_party/WebKit/Source/devtools/front_end/sources/TabbedEditorContainer.js

 /*
  * Copyright (C) 2011 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:
  *
  * 1. Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *
@@ skipping 129 matching lines @@
 
     /**
      * @return {!WebInspector.Widget}
      */
     get view()
     {
         return this._tabbedPane;
     },
 
     /**
-     * @type {!WebInspector.Widget}
+     * @return {?WebInspector.Widget}
      */
     get visibleView()
     {
         return this._tabbedPane.visibleView;
     },
 
     /**
      * @return {!Array.<!WebInspector.Widget>}
      */
     fileViews: function()
@@ skipping 689 matching lines @@
     /**
      * @override
      * @param {string} tabId
      * @param {!WebInspector.ContextMenu} contextMenu
      */
     onContextMenu: function(tabId, contextMenu)
     {
         this._editorContainer._onContextMenu(tabId, contextMenu);
     }
 };