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

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 1735 matching lines @@
         if (newContent)
             newContent = newContent.trim();
         this._parentPane._userOperation = true;
 
         var cssModel = this._parentPane.cssModel();
         var ruleText = this._rulePrefix() + newContent + " {}";
         cssModel.addRule(this._styleSheetId, ruleText, this._ruleLocation)
             .then(onRuleAdded.bind(this));
     },
 
+    /**
+     * @override
+     */
     editingSelectorCancelled: function()
     {
         delete this._parentPane._userOperation;
         if (!this.isBlank) {
             WebInspector.StylePropertiesSection.prototype.editingSelectorCancelled.call(this);
             return;
         }
 
         this._editingSelectorEnded();
         this._parentPane.removeSection(this);
@@ skipping 1422 matching lines @@
 
     /**
      * @override
      * @return {!WebInspector.ToolbarItem}
      */
     item: function()
     {
         return this._button;
     }
 };