Update Chromoting to use /third_party/closure_compiler.

remoting/webapp/app_remoting/js/context_menu_dom.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.
 
 /**
  * @fileoverview
  * Provide an alternative location for the application's context menu items
  * on platforms that don't provide it.
  *
  * To mimic the behaviour of an OS-provided context menu, the menu is dismissed
@@ skipping 23 matching lines @@
   /**
    * @type {HTMLElement}
    * @private
    */
   this.root_ = root;
   /**
    * @type {HTMLElement}
    * @private
    */
   this.stub_ = /** @type {HTMLElement} */
-      this.root_.querySelector('.context-menu-stub');
+      (this.root_.querySelector('.context-menu-stub'));
   /**
    * @type {HTMLElement}
    * @private
    */
   this.icon_ = /** @type {HTMLElement} */
-      this.root_.querySelector('.context-menu-icon');
+      (this.root_.querySelector('.context-menu-icon'));
   /**
    * @type {HTMLElement}
    * @private
    */
   this.screen_ = /** @type {HTMLElement} */
-      this.root_.querySelector('.context-menu-screen');
+      (this.root_.querySelector('.context-menu-screen'));
   /**
    * @type {HTMLElement}
    * @private
    */
-  this.menu_ = /** @type {HTMLElement} */ this.root_.querySelector('ul');
+  this.menu_ = /** @type {HTMLElement} */ (this.root_.querySelector('ul'));
   /**
    * @type {number}
    * @private
    */
   this.bottom_ = 8;
   /**
    * @type {base.EventSource}
    * @private
    */
   this.eventSource_ = new base.EventSource();
   /**
    * @type {string}
    * @private
    */
   this.eventName_ = '_click';
   /**
    * Since the same element is used to lock the icon open and to drag it, we
    * must keep track of drag events so that the corresponding click event can
    * be ignored.
    *
    * @type {boolean}
    * @private
    */
   this.stubDragged_ = false;
 
-  /*
+  /**
    * @private
    */
   this.dragAndDrop_ = new remoting.DragAndDrop(
       this.stub_, this.onDragUpdate_.bind(this));
 
   this.eventSource_.defineEvents([this.eventName_]);
   this.root_.addEventListener(
       'transitionend', this.onTransitionEnd_.bind(this), false);
   this.stub_.addEventListener('click', this.onStubClick_.bind(this), false);
   this.icon_.addEventListener('click', this.onIconClick_.bind(this), false);
@@ skipping 89 matching lines @@
  * @param {string} id
  */
 remoting.ContextMenuDom.prototype.remove = function(id) {
   var node = this.menu_.querySelector('[data-id="' + id + '"]');
   if (node) {
     this.menu_.removeChild(node);
   }
 };
 
 /**
- * @param {function(OnClickData):void} listener
+ * @param {function(OnClickData=):void} listener
  */
 remoting.ContextMenuDom.prototype.addListener = function(listener) {
   this.eventSource_.addEventListener(this.eventName_, listener);
 };
 
 /**
  * @param {Event} event
  * @private
  */
 remoting.ContextMenuDom.prototype.onClick_ = function(event) {
@@ skipping 111 matching lines @@
   this.bottom_ -= deltaY;
   this.root_.style.bottom = this.bottom_ + 'px';
   // Deferring the window shape update until the DOM update has completed
   // helps keep the position of the context menu consistent with the window
   // shape (though it's still not perfect).
   window.requestAnimationFrame(
       function() {
         remoting.windowShape.updateClientWindowShape();
       });
 };