Part 1: Plumb render view ID to render host

media/audio/audio_input_ipc.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 MEDIA_AUDIO_AUDIO_INPUT_IPC_H_
 #define MEDIA_AUDIO_AUDIO_INPUT_IPC_H_
 
 #include "base/shared_memory.h"
 #include "base/sync_socket.h"
 #include "media/audio/audio_parameters.h"
@@ skipping 77 matching lines @@
   virtual void RecordStream(int stream_id) = 0;
 
   // Sets the volume of the audio stream.
   virtual void SetVolume(int stream_id, double volume) = 0;
 
   // Closes the audio stream and deletes the matching AudioInputController
   // instance.  Prior to deleting the AudioInputController object, a call to
   // AudioInputController::Close must be made.
   virtual void CloseStream(int stream_id) = 0;
 
- protected:
+protected:
   virtual ~AudioInputIPC();
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_INPUT_IPC_H_