Android implementation of WebAudio audio file decoder

content/common/view_messages.h

Index: content/common/view_messages.h
diff --git a/content/common/view_messages.h b/content/common/view_messages.h
index 9a3201509725e99baa7318f3da63cc22de93cf9a..d83b077dde887ed785df5bfd98f976ae48a34c5e 100644
--- a/content/common/view_messages.h
+++ b/content/common/view_messages.h
@@ -2355,6 +2355,11 @@ IPC_MESSAGE_ROUTED5(ViewHostMsg_UpdateFrameInfo,
 IPC_MESSAGE_ROUTED1(ViewHostMsg_ImeBatchStateChanged_ACK,
                     bool /* is_begin */)
 
+// This message runs the MediaCodec for decoding audio for webaudio.
+IPC_MESSAGE_CONTROL2(ViewHostMsg_RunWebAudioMediaCodec,

[DaleCurtis, 2013/04/12 21:47:45]

Seems sketchy that we're creating an IPC which provides shared memory to read
from.  I.e. we're exposing a "more privileged" binary format parser to the
renderer. I'm not sure how else this would work though.  I assume palmer has it
under control :)

+                     base::SharedMemoryHandle /* encoded_data_handle */,
+                     base::FileDescriptor /* pcm_output */)
+
 #elif defined(OS_MACOSX)
 // Request that the browser load a font into shared memory for us.
 IPC_SYNC_MESSAGE_CONTROL1_3(ViewHostMsg_LoadFont,