Update Chromoting to use /third_party/closure_compiler.

remoting/webapp/crd/js/typecheck.js

 // Copyright 2014 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.
 
 /**
  * Get the |key| attribute in the given |dict| and verify that it is an
  * array value.
  *
  * If the attribute is not an array, then an exception will be thrown unless
  * a default value is specified in |opt_default|.
@@ skipping 119 matching lines @@
 /**
  * Return a JSON object parsed from a string.
  *
  * If the string cannot be parsed, or does not result in an object, then an
  * exception will be thrown.
  *
  * @param {string} jsonString The JSON string to parse.
  * @return {Object} The JSON object created from the |jsonString|.
  */
 function getJsonObjectFromString(jsonString) {
-  var value = /** @type {Object} */ JSON.parse(jsonString);
+  var value = base.jsonParseSafe(jsonString);
   if (typeof value != 'object') {
     throw 'Invalid data type (expected: Object, actual: ' + typeof value + ')';
   }
   return value;
 }