[Chromoting] Enable jscompile for webapp unittests.

remoting/webapp/crd/js/oauth2.js

 // Copyright (c) 2012 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.
 
 /**
  * @fileoverview
  * OAuth2 class that handles retrieval/storage of an OAuth2 token.
  *
  * Uses a content script to trampoline the OAuth redirect page back into the
  * extension context.  This works around the lack of native support for
  * chrome-extensions in OAuth2.
  */
 
 // TODO(jamiewalch): Delete this code once Chromoting is a v2 app and uses the
 // identity API (http://crbug.com/ 134213).
 
 'use strict';
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 /** @type {remoting.OAuth2} */
 remoting.oauth2 = null;
 
 
-/** @constructor */
+/**
+ * @constructor
+ * @extends {remoting.Identity}
+ */
 remoting.OAuth2 = function() {
 };
 
 // Constants representing keys used for storing persistent state.
 /** @private */
 remoting.OAuth2.prototype.KEY_REFRESH_TOKEN_ = 'oauth2-refresh-token';
 /** @private */
 remoting.OAuth2.prototype.KEY_ACCESS_TOKEN_ = 'oauth2-access-token';
 /** @private */
 remoting.OAuth2.prototype.KEY_EMAIL_ = 'remoting-email';
@@ skipping 429 matching lines @@
  * @return {?string} The user's full name, if it has been cached by a previous
  * call to getUserInfo, otherwise null.
  */
 remoting.OAuth2.prototype.getCachedUserFullName = function() {
   var value = window.localStorage.getItem(this.KEY_FULLNAME_);
   if (typeof value == 'string') {
     return value;
   }
   return null;
 };