Fix PPB_Audio_Proxy handling of file descriptors.

ppapi/proxy/ppb_audio_proxy.cc

Index: ppapi/proxy/ppb_audio_proxy.cc
diff --git a/ppapi/proxy/ppb_audio_proxy.cc b/ppapi/proxy/ppb_audio_proxy.cc
index 6adc436bf28476e30db3453d754bffea337c7c94..3e7350bf4297c305c21710f0030dd0a5954e2bac 100644
--- a/ppapi/proxy/ppb_audio_proxy.cc
+++ b/ppapi/proxy/ppb_audio_proxy.cc
@@ -282,8 +282,8 @@ int32_t PPB_Audio_Proxy::GetAudioConnectedHandles(
       FALSE, DUPLICATE_CLOSE_SOURCE);
 #else
   // On Posix, the socket handle will be auto-duplicated when we send the
-  // FileDescriptor. Set AutoClose since we don't need the handle any more.
-  *foreign_socket_handle = base::FileDescriptor(socket_handle, true);
+  // FileDescriptor. Don't set AutoClose since this is not our handle.
+  *foreign_socket_handle = base::FileDescriptor(socket_handle, false);
 #endif
 
   // Get the shared memory for the buffer.