Remove remoting::Clipboard::Stop().

remoting/host/chromeos/clipboard_aura.h

 // 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.
 
 #ifndef REMOTING_HOST_CLIPBOARD_AURA_H_
 #define REMOTING_HOST_CLIPBOARD_AURA_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "base/timer/timer.h"
@@ skipping 16 matching lines @@
 // always posts the call to the |ui_task_runner|.  On ChromeOS, that should
 // be the UI thread of the browser process.
 class ClipboardAura : public Clipboard {
  public:
   explicit ClipboardAura();
   ~ClipboardAura() override;
 
   // Clipboard interface.
   void Start(scoped_ptr<protocol::ClipboardStub> client_clipboard) override;
   void InjectClipboardEvent(const protocol::ClipboardEvent& event) override;
-  void Stop() override;
 
   // Overrides the clipboard polling interval for unit test.
   void SetPollingIntervalForTesting(base::TimeDelta polling_interval);
 
  private:
   void CheckClipboardForChanges();
 
   base::ThreadChecker thread_checker_;
   scoped_ptr<protocol::ClipboardStub> client_clipboard_;
   base::RepeatingTimer<ClipboardAura> clipboard_polling_timer_;
   uint64 current_change_count_;
   base::TimeDelta polling_interval_;
 
   DISALLOW_COPY_AND_ASSIGN(ClipboardAura);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CLIPBOARD_AURA_H_