Update Chromoting to use /third_party/closure_compiler.

remoting/webapp/base/js/application.js

Index: remoting/webapp/base/js/application.js
diff --git a/remoting/webapp/base/js/application.js b/remoting/webapp/base/js/application.js
index 5fc83b1f5ee6ea6e0ccd88c1eff2113dec3ceb61..7390d8c21314ea191eddd7f40c18f2dc73cbd675 100644
--- a/remoting/webapp/base/js/application.js
+++ b/remoting/webapp/base/js/application.js
@@ -114,7 +114,7 @@ remoting.Application.prototype.onVideoStreamingStarted = function() {
  * @return {boolean} Return true if the extension message was recognized.
  */
 remoting.Application.prototype.onExtensionMessage = function(type, data) {
-  var message = /** @type {Object} */base.jsonParseSafe(data);
+  var message = /** @type {Object} */ (base.jsonParseSafe(data));
   if (typeof message != 'object') {
     return false;
   }