DevTools: Get rid of styleFile on UISourceCode

Source/devtools/front_end/UISourceCode.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:
  *
  *     * 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 203 matching lines @@
 
     /**
      * @param {WebInspector.ScriptFile} scriptFile
      */
     setScriptFile: function(scriptFile)
     {
         this._scriptFile = scriptFile;
     },
 
     /**
-     * @return {WebInspector.StyleFile}
-     */
-    styleFile: function()
-    {
-        return this._styleFile;
-    },
-
-    /**
-     * @param {WebInspector.StyleFile} styleFile
-     */
-    setStyleFile: function(styleFile)
-    {
-        this._styleFile = styleFile;
-    },
-
-    /**
      * @return {WebInspector.Project}
      */
     project: function()
     {
         return this._project;
     },
 
     /**
      * @param {function(?Date, ?number)} callback
      */
@@ skipping 851 matching lines @@
         function persist()
         {
             window.localStorage[key] = this._content;
             window.localStorage["revision-history"] = JSON.stringify(registry);
         }
 
         // Schedule async storage.
         setTimeout(persist.bind(this), 0);
     }
 }