DevTools: use shorthand syntax in interface definitions.

third_party/WebKit/Source/devtools/front_end/ui/TabbedPane.js

 /*
  * Copyright (C) 2010 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 1190 matching lines @@
 /**
  * @interface
  */
 UI.TabbedPaneTabDelegate = function() {};
 
 UI.TabbedPaneTabDelegate.prototype = {
   /**
    * @param {!UI.TabbedPane} tabbedPane
    * @param {!Array.<string>} ids
    */
-  closeTabs: function(tabbedPane, ids) {},
+  closeTabs(tabbedPane, ids) {},
 
   /**
    * @param {string} tabId
    * @param {!UI.ContextMenu} contextMenu
    */
-  onContextMenu: function(tabId, contextMenu) {}
+  onContextMenu(tabId, contextMenu) {}
 };