Support re-reading scope variables in protocol and on backed.

Source/core/inspector/InjectedScriptExterns.js

 /*
  * Copyright (C) 2012 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 128 matching lines @@
     this.thisObject;
 }
 
 /**
  * @param {number} index
  */
 JavaScriptCallFrame.prototype.scopeType = function(index) { }
 
 JavaScriptCallFrame.prototype.restart = function() { }
 
+JavaScriptCallFrame.prototype.rereadScopes = function() { }
+
 /**
  * @param {number} scopeNumber
  * @param {string} variableName
  * @param {*} newValue
  */
 JavaScriptCallFrame.prototype.setVariableValue = function(scopeNumber, variableName, newValue) {}
 
 /**
  * @constructor
  */
@@ skipping 17 matching lines @@
  */
 CallSite.prototype.getFileName = function() { }
 /**
  * @return {number}
  */
 CallSite.prototype.getLineNumber = function() { }
 /**
  * @return {number}
  */
 CallSite.prototype.getColumnNumber = function() { }