Only enable xpfe/bootrap if MOZ_XPFE_COMPONENTS is enabled. "This is all going to change with the new roadmap" -- cls. r=cls

Makefile.in

@@ -261,8 +261,10 @@ endif
 ifdef MOZ_PHOENIX
 tier_99_dirs	+= browser
 else
+ifdef MOZ_XPFE_COMPONENTS
 tier_99_dirs	+= xpfe/bootstrap
 endif
+endif
 
 ifneq (,$(MOZ_ENABLE_GTK)$(MOZ_ENABLE_GTK2))
 tier_99_dirs	+= embedding/browser/gtk