Change audio IPC enums from kConstantStyle to MACRO_STYLE

content/renderer/media/audio_message_filter.h

Index: content/renderer/media/audio_message_filter.h
diff --git a/content/renderer/media/audio_message_filter.h b/content/renderer/media/audio_message_filter.h
index 36ec380f8db91f4bfdfd5bf6e768ce1d9fa4b425..f98b7d6983d54765b71bee03bd72fe16853d8828 100644
--- a/content/renderer/media/audio_message_filter.h
+++ b/content/renderer/media/audio_message_filter.h
@@ -74,7 +74,7 @@ class CONTENT_EXPORT AudioMessageFilter : public IPC::MessageFilter {
   // Received when internal state of browser process' audio output device has
   // changed.
   void OnStreamStateChanged(int stream_id,
-                            media::AudioOutputIPCDelegate::State state);
+                            media::AudioOutputIPCDelegateState state);
 
   // IPC sender for Send(); must only be accesed on |io_task_runner_|.
   IPC::Sender* sender_;