Update Chromoting to use /third_party/closure_compiler.

remoting/webapp/js_proto/remoting_proto.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.
 
 // This file contains type definitions for various remoting classes.
 // It is used only with JSCompiler to verify the type-correctness of our code.
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
-/** @constructor
- *  @extends Event
- */
-remoting.ClipboardData = function() {};
-
-/** @type {Array.<string>} */
-remoting.ClipboardData.prototype.types;
-
-/** @type {function(string): string} */
-remoting.ClipboardData.prototype.getData;
-
-/** @type {function(string, string): void} */
-remoting.ClipboardData.prototype.setData;
-
-/** @constructor
- */
-remoting.ClipboardEvent = function() {};
-
-/** @type {remoting.ClipboardData} */
-remoting.ClipboardEvent.prototype.clipboardData;
-
-/** @type {function(): void} */
-remoting.ClipboardEvent.prototype.preventDefault;
-
-/** @constructor
- *  @extends HTMLEmbedElement
- */
-remoting.ViewerPlugin = function() { };
-
-/** @param {string} message The message to send to the host. */
-remoting.ViewerPlugin.prototype.postMessage = function(message) {};
-
 
 /** @constructor
  */
 remoting.WcsIqClient = function() {};
 
 /** @param {function(Array.<string>): void} onMsg The function called when a
  *      message is received.
  *  @return {void} Nothing. */
 remoting.WcsIqClient.prototype.setOnMessage = function(onMsg) {};
 
 /** @return {void} Nothing. */
 remoting.WcsIqClient.prototype.connectChannel = function() {};
 
 /** @param {string} stanza An IQ stanza.
  *  @return {void} Nothing. */
 remoting.WcsIqClient.prototype.sendIq = function(stanza) {};
 
 /** @param {string} token An OAuth2 access token.
  *  @return {void} Nothing. */
 remoting.WcsIqClient.prototype.updateAccessToken = function(token) {};