Update Chromoting to use /third_party/closure_compiler.

remoting/webapp/app_remoting/js/drag_and_drop.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 support for drag-and-drop operations in shaped windows. The
  * standard API doesn't work because no "dragover" events are generated
  * if the mouse moves outside the window region.
  */
@@ skipping 43 matching lines @@
    * @private
    */
   this.previousDeltaY_ = 0;
 
   /**
    * @type {boolean}
    */
   this.seenNonZeroDelta_ = false;
 
   /**
-   * @type {function():void}
+   * @type {function(Event):void}
    * @private
    */
   this.callOnMouseUp_ = this.onMouseUp_.bind(this);
 
   /**
-   * @type {function():void}
+   * @type {function(Event):void}
    * @private
    */
   this.callOnMouseMove_ = this.onMouseMove_.bind(this);
 
   element.addEventListener('mousedown', this.onMouseDown_.bind(this), false);
 };
 
 /**
  * @param {Event} event
  */
@@ skipping 51 matching lines @@
 /**
  * @param {Event} event
  */
 remoting.DragAndDrop.prototype.onMouseUp_ = function(event) {
   this.element_.removeEventListener('mousemove', this.callOnMouseMove_, false);
   this.element_.removeEventListener('mouseup', this.callOnMouseUp_, false);
   document.exitPointerLock();
   if (this.dragEnd_) {
     this.dragEnd_();
   }
-};
+};