Move audio messages to their own file.

content/browser/renderer_host/audio_renderer_host.h

 // Copyright (c) 2010 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.
 //
 // AudioRendererHost serves audio related requests from AudioRenderer which
 // lives inside the render process and provide access to audio hardware.
 //
 // This class is owned by BrowserRenderProcessHost, and instantiated on UI
 // thread, but all other operations and method calls happen on IO thread, so we
 // need to be extra careful about the lifetime of this object. AudioManager is a
@@ skipping 49 matching lines @@
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "base/shared_memory.h"
 #include "content/browser/browser_message_filter.h"
 #include "content/browser/browser_thread.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_output_controller.h"
 #include "media/audio/simple_sources.h"
 
 class AudioManager;
-struct ViewHostMsg_Audio_CreateStream_Params;
+struct AudioParameters;
 
 class AudioRendererHost : public BrowserMessageFilter,
                           public media::AudioOutputController::EventHandler {
  public:
   typedef std::pair<int32, int> AudioEntryId;
 
   struct AudioEntry {
     AudioEntry();
     ~AudioEntry();
 
@@ skipping 55 matching lines @@
   // Methods called on IO thread.
   // Returns true if the message is an audio related message and should be
   // handled by this class.
   bool IsAudioRendererHostMessage(const IPC::Message& message);
 
   // Audio related IPC message handlers.
   // Creates an audio output stream with the specified format. If this call is
   // successful this object would keep an internal entry of the stream for the
   // required properties.
   void OnCreateStream(const IPC::Message& msg, int stream_id,
-                      const ViewHostMsg_Audio_CreateStream_Params& params,
+                      const AudioParameters& params,
                       bool low_latency);
 
   // Play the audio stream referenced by |stream_id|.
   void OnPlayStream(const IPC::Message& msg, int stream_id);
 
   // Pause the audio stream referenced by |stream_id|.
   void OnPauseStream(const IPC::Message& msg, int stream_id);
 
   // Discard all audio data in  stream referenced by |stream_id|.
   void OnFlushStream(const IPC::Message& msg, int stream_id);
@@ skipping 56 matching lines @@
   // event is received.
   AudioEntry* LookupByController(media::AudioOutputController* controller);
 
   // A map of id to audio sources.
   AudioEntryMap audio_entries_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioRendererHost);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_AUDIO_RENDERER_HOST_H_