[Webapp Refactor] Clean up remoting.Clipboard.

remoting/webapp/crd/js/client_plugin.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
  * Interface abstracting the ClientPlugin functionality.
  */
 
 'use strict';
@@ skipping 139 matching lines @@
  */
 remoting.ClientPlugin.prototype.setConnectionEventHandler =
     function(handler) {};
 
 /**
  * @param {function(string, number, number):void} handler Callback for
  *     processing large mouse cursor images. The first parameter is a data:
  *     URL encoding the mouse cursor; the second and third parameters are
  *     the cursor hotspot's x- and y-coordinates, respectively.
  */
-remoting.ClientPlugin.prototype.setMouseCursorHandler =
-    function(handler) {};
+remoting.ClientPlugin.prototype.setMouseCursorHandler = function(handler) {};
+
+/**
+ * @param {function(string, string):void} handler Callback for processing
+ *    clipboard data injected from the host. The first parameter is the mime
+ *    type and the second parameter is the actual data.
+ */
+remoting.ClientPlugin.prototype.setClipboardHandler = function(handler) {};
 
 /**
  * @param {function({rects:Array<Array<number>>}):void|null} handler Callback
  *     to receive dirty region information for each video frame, for debugging.
  */
 remoting.ClientPlugin.prototype.setDebugDirtyRegionHandler =
     function(handler) {};
 
 
 /**
@@ skipping 79 matching lines @@
 /**
  * Preload the plugin to make instantiation faster when the user tries
  * to connect.
  */
 remoting.ClientPluginFactory.prototype.preloadPlugin = function() {};
 
 /**
  * @type {remoting.ClientPluginFactory}
  */
 remoting.ClientPlugin.factory = null;