Bug 1626555 - Add `dom/messagechannel` to the list of non-unified-build-compatible directories. r=sg

Depends on D95057

Differential Revision: https://phabricator.services.mozilla.com/D95137

build/non-unified-compat

@@ -37,5 +37,6 @@ dom/localstorage/
 dom/manifest/
 dom/mathml/
 dom/media/
+dom/messagechannel/
 dom/quota/
 dom/simpledb/

dom/messagechannel/MessagePortParent.cpp

@@ -6,6 +6,7 @@
 
 #include "MessagePortParent.h"
 #include "MessagePortService.h"
+#include "mozilla/dom/RefMessageBodyService.h"
 #include "mozilla/dom/SharedMessageBody.h"
 #include "mozilla/Unused.h"
 

dom/messagechannel/MessagePortService.cpp

@@ -6,6 +6,7 @@
 
 #include "MessagePortService.h"
 #include "MessagePortParent.h"
+#include "mozilla/dom/RefMessageBodyService.h"
 #include "mozilla/dom/SharedMessageBody.h"
 #include "mozilla/dom/quota/CheckedUnsafePtr.h"
 #include "mozilla/ipc/BackgroundParent.h"