First step towards moving AudioDevice from content/ to media/audio.

content/renderer/pepper/pepper_platform_audio_input_impl.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_INPUT_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_PLATFORM_AUDIO_INPUT_IMPL_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 37 matching lines @@
   // PlatformAudioInput implementation (called on main thread).
   virtual void StartCapture() OVERRIDE;
   virtual void StopCapture() OVERRIDE;
   virtual void ShutDown() OVERRIDE;
 
   // AudioInputMessageFilter::Delegate.
   virtual void OnStreamCreated(base::SharedMemoryHandle handle,
                                base::SyncSocket::Handle socket_handle,
                                uint32 length) OVERRIDE;
   virtual void OnVolume(double volume) OVERRIDE;
-  virtual void OnStateChanged(AudioStreamState state) OVERRIDE;
+  virtual void OnStateChanged(media::AudioStreamState state) OVERRIDE;
   virtual void OnDeviceReady(const std::string&) OVERRIDE;
 
  protected:
   virtual ~PepperPlatformAudioInputImpl();
 
  private:
   friend class base::RefCountedThreadSafe<PepperPlatformAudioInputImpl>;
 
   PepperPlatformAudioInputImpl();
 
@@ skipping 43 matching lines @@
 
   // Initialized on the main thread and accessed on the I/O thread afterwards.
   media::AudioParameters params_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperPlatformAudioInputImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_PLATFORM_AUDIO_INPUT_IMPL_H_