Remove remoting::Clipboard::Stop().

remoting/host/input_injector_mac.cc

 // 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.
 
 #include "remoting/host/input_injector.h"
 
 #include <ApplicationServices/ApplicationServices.h>
 #include <Carbon/Carbon.h>
 #include <algorithm>
 
@@ skipping 309 matching lines @@
 
   clipboard_->Start(client_clipboard.Pass());
 }
 
 void InputInjectorMac::Core::Stop() {
   if (!task_runner_->BelongsToCurrentThread()) {
     task_runner_->PostTask(FROM_HERE, base::Bind(&Core::Stop, this));
     return;
   }
 
-  clipboard_->Stop();
+  clipboard_.reset();
 }
 
 InputInjectorMac::Core::~Core() {}
 
 }  // namespace
 
 scoped_ptr<InputInjector> InputInjector::Create(
     scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner) {
   return make_scoped_ptr(new InputInjectorMac(main_task_runner));
 }
 
 }  // namespace remoting