DevTools: Fix all outstanding JavaScript style issues.

third_party/WebKit/Source/devtools/front_end/elements/ElementsTreeElementHighlighter.js

 // Copyright (c) 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
  * @param {!WebInspector.ElementsTreeOutline} treeOutline
  */
 WebInspector.ElementsTreeElementHighlighter = function(treeOutline)
 {
@@ skipping 72 matching lines @@
     _clearState: function()
     {
         if (this._isModifyingTreeOutline)
             return;
 
         delete this._currentHighlightedElement;
         delete this._alreadyExpandedParentElement;
         delete this._pendingHighlightNode;
     }
 
-}
+}