DevTools: Fix all outstanding JavaScript style issues.

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

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  * 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
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 2559 matching lines @@
 
     /**
      * @param {string} moveDirection
      * @return {?WebInspector.StylePropertyTreeElement}
      */
     _findSibling: function(moveDirection)
     {
         var target = this;
         do {
             target = (moveDirection === "forward" ? target.nextSibling : target.previousSibling);
-        } while(target && target.inherited());
+        } while (target && target.inherited());
 
         return target;
     },
 
     /**
      * @param {string} userInput
      * @param {!WebInspector.StylePropertyTreeElement.Context} context
      * @param {string} moveDirection
      */
     editingCommitted: function(userInput, context, moveDirection)
@@ skipping 499 matching lines @@
     WebInspector.context.addFlavorChangeListener(WebInspector.DOMNode, onNodeChanged);
     onNodeChanged();
     return button;
 
     function onNodeChanged()
     {
         var node = WebInspector.context.flavor(WebInspector.DOMNode);
         button.setEnabled(!!node);
     }
 }