Split out audio debug recording from RenderProcessHostImpl.

content/common/media/aec_dump_messages.h

Index: content/common/media/aec_dump_messages.h
diff --git a/content/common/media/aec_dump_messages.h b/content/common/media/aec_dump_messages.h
index f6031d0392c4335af5a4c491528cad6c4a6d7627..28b2de09fb4c9af818788980d1fde90187677c54 100644
--- a/content/common/media/aec_dump_messages.h
+++ b/content/common/media/aec_dump_messages.h
@@ -16,20 +16,11 @@
 // Messages sent from the browser to the renderer.
 
 // The browser hands over a file handle to the consumer in the renderer
-// identified by |id| to use for AEC dump.
-IPC_MESSAGE_CONTROL2(AecDumpMsg_EnableAecDump,
-                     int /* id */,
-                     IPC::PlatformFileForTransit /* file_handle */)
-
-// The browser hands over a file handle to the consumer in the renderer
 // identified by |id| to use for the event log.
 IPC_MESSAGE_CONTROL2(WebRTCEventLogMsg_EnableEventLog,
                      int /* id */,
                      IPC::PlatformFileForTransit /* file_handle */)
 
-// Tell the renderer to disable AEC dump in all consumers.
-IPC_MESSAGE_CONTROL0(AecDumpMsg_DisableAecDump)
-
 // Tell the renderer to disable event log in all consumers.
 IPC_MESSAGE_CONTROL0(WebRTCEventLogMsg_DisableEventLog)
 
@@ -37,16 +28,7 @@ IPC_MESSAGE_CONTROL0(WebRTCEventLogMsg_DisableEventLog)
 
 // Registers a consumer with the browser. The consumer will then get a file
 // handle when the dump is enabled.
-IPC_MESSAGE_CONTROL1(AecDumpMsg_RegisterAecDumpConsumer,
-                     int /* id */)
-
-// Registers a consumer with the browser. The consumer will then get a file
-// handle when the dump is enabled.
 IPC_MESSAGE_CONTROL1(WebRTCEventLogMsg_RegisterEventLogConsumer, int /* id */)
 
 // Unregisters a consumer with the browser.
-IPC_MESSAGE_CONTROL1(AecDumpMsg_UnregisterAecDumpConsumer,
-                     int /* id */)
-
-// Unregisters a consumer with the browser.
 IPC_MESSAGE_CONTROL1(WebRTCEventLogMsg_UnregisterEventLogConsumer, int /* id */)