Revert of Add support for the audio-output-device switching IPC mechanism to the renderer lower...

content/renderer/pepper/pepper_platform_audio_output.h

 // 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.
 
 #ifndef CONTENT_RENDERER_PEPPER_PEPPER_PLATFORM_AUDIO_OUTPUT_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_PLATFORM_AUDIO_OUTPUT_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 33 matching lines @@
 
   // Closes the stream. Make sure to call this before the object is
   // destructed.
   void ShutDown();
 
   // media::AudioOutputIPCDelegate implementation.
   void OnStateChanged(media::AudioOutputIPCDelegateState state) override;
   void OnStreamCreated(base::SharedMemoryHandle handle,
                        base::SyncSocket::Handle socket_handle,
                        int length) override;
-  void OnOutputDeviceSwitched(int request_id,
-                              media::SwitchOutputDeviceResult result) override;
   void OnIPCClosed() override;
 
  protected:
   ~PepperPlatformAudioOutput() override;
 
  private:
   friend class base::RefCountedThreadSafe<PepperPlatformAudioOutput>;
 
   PepperPlatformAudioOutput();
 
@@ skipping 18 matching lines @@
 
   scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperPlatformAudioOutput);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_PLATFORM_AUDIO_OUTPUT_H_