Backed out changeset bbb39655cf71 (bug 1605934) for build bustage in widget/gtk/mozwayland/mozwayland.c

dom/base/nsFrameMessageManager.cpp

@@ -990,7 +990,8 @@ struct MessageManagerReferentCount {
 
 }  // namespace
 
-namespace mozilla::dom {
+namespace mozilla {
+namespace dom {
 
 class MessageManagerReporter final : public nsIMemoryReporter {
   ~MessageManagerReporter() = default;
@@ -1124,7 +1125,8 @@ MessageManagerReporter::CollectReports(nsIHandleReportCallback* aHandleReport,
   return NS_OK;
 }
 
-}  // namespace mozilla::dom
+}  // namespace dom
+}  // namespace mozilla
 
 already_AddRefed<ChromeMessageBroadcaster>
 nsFrameMessageManager::GetGlobalMessageManager() {