Bug 1431295 - Drop 'undef None' macro in dom/. r=baku

MozReview-Commit-ID: Fmd4A2c7yUu

--HG--
extra : rebase_source : fdad8ac6276efa1a3612eb1c9a2a9478270d426d

dom/clients/manager/ClientIPCUtils.h

@@ -8,9 +8,6 @@
 
 #include "ipc/IPCMessageUtils.h"
 
-// Fix X11 header brain damage that conflicts with FrameType::None
-#undef None
-
 #include "mozilla/dom/ClientBinding.h"
 #include "mozilla/dom/ClientsBinding.h"
 #include "mozilla/dom/DocumentBinding.h"

dom/fetch/FetchIPCTypes.h

@@ -9,9 +9,6 @@
 
 #include "ipc/IPCMessageUtils.h"
 
-// Fix X11 header brain damage that conflicts with HeadersGuardEnum::None
-#undef None
-
 #include "mozilla/dom/HeadersBinding.h"
 #include "mozilla/dom/RequestBinding.h"
 #include "mozilla/dom/ResponseBinding.h"