Fix some bugs with incorrect ! (both missing and extra) in the proxy error ha...

ppapi/proxy/ppapi_messages_internal.h

Index: ppapi/proxy/ppapi_messages_internal.h
===================================================================
--- ppapi/proxy/ppapi_messages_internal.h	(revision 72880)
+++ ppapi/proxy/ppapi_messages_internal.h	(working copy)
@@ -45,8 +45,12 @@
 //
 // The handler of this message should always close all of the handles passed
 // in, since some could be valid even in the error case.
-IPC_MESSAGE_ROUTED1(PpapiMsg_PPBAudio_NotifyAudioStreamCreated,
-                    pp::proxy::PPBAudio_NotifyAudioStreamCreated_Params);
+IPC_MESSAGE_ROUTED5(PpapiMsg_PPBAudio_NotifyAudioStreamCreated,
+                    pp::proxy::HostResource /* audio_id */,
+                    int32_t /* result_code (will be != PP_OK on failure) */,
+                    IPC::PlatformFileForTransit /* socket_handle */,
+                    base::SharedMemoryHandle /* handle */,
+                    int32_t /* length */)
 
 // PPB_Graphics2D.
 IPC_MESSAGE_ROUTED2(PpapiMsg_PPBGraphics2D_FlushACK,