Plumb render view ID from audio-related code in renderer through IPCs to AudioRendererHost in brows…

media/audio/audio_input_ipc.h

Index: media/audio/audio_input_ipc.h
diff --git a/media/audio/audio_input_ipc.h b/media/audio/audio_input_ipc.h
index eb4e72dfae0b31145e1fbd869b7553f92f97a23f..59155699471493d2c5a9c5386e4177ecae9b10e3 100644
--- a/media/audio/audio_input_ipc.h
+++ b/media/audio/audio_input_ipc.h
@@ -62,6 +62,8 @@ class MEDIA_EXPORT AudioInputIPCDelegate {
 // process.
 class MEDIA_EXPORT AudioInputIPC {
  public:
+  virtual ~AudioInputIPC();
+
   // Registers an AudioInputIPCDelegate and returns a |stream_id| that
   // must be used with all other IPC functions in this interface.
   virtual int AddDelegate(AudioInputIPCDelegate* delegate) = 0;
@@ -94,9 +96,6 @@ class MEDIA_EXPORT AudioInputIPC {
   // instance.  Prior to deleting the AudioInputController object, a call to
   // AudioInputController::Close must be made.
   virtual void CloseStream(int stream_id) = 0;
-
- protected:
-  virtual ~AudioInputIPC();
 };
 
 }  // namespace media