add screen and screen manager to the build. r=scc.

gfx/idl/MANIFEST_IDL

@@ -4,3 +4,5 @@
 
 nsIFontEnumerator.idl
 nsIScriptableRegion.idl
+nsIScreen.idl
+nsIScreenManager.idl

gfx/idl/Makefile.in

@@ -33,6 +33,8 @@ XPIDLSRCS	= \
 		nsIFontEnumerator.idl \
 		nsIScriptableRegion.idl \
 		nsIGraphics.idl \
+		nsIScreen.idl \
+		nsIScreenManager.idl \
 		$(NULL)
 
 include $(topsrcdir)/config/rules.mk

gfx/idl/makefile.win

@@ -29,6 +29,8 @@ XPIDL_MODULE=gfx
 XPIDLSRCS =               \
   .\nsIFontEnumerator.idl          \
   .\nsIScriptableRegion.idl          \
+  .\nsIScreen.idl          \
+  .\nsIScreenManager.idl          \
   $(NULL)
 
 EXPORTS=                  \

gfx/src/gtk/Makefile.in

@@ -45,6 +45,8 @@ CPPSRCS		= \
 		nsRegionGTK.cpp \
 		nsGCCache.cpp \
 		nsRenderingContextGTK.cpp \
+		nsScreenGtk.cpp \
+		nsScreenManagerGtk.cpp \
 		$(NULL)
 
 include $(topsrcdir)/config/rules.mk

gfx/src/mac/Makefile.in

@@ -44,6 +44,8 @@ CPPSRCS = \
 		nsUnicodeFontMappingMac.cpp \
 		nsUnicodeMappingUtil.cpp \
 		nsUnicodeRenderingToolkit.cpp \
+		nsScreenMac.cpp \
+		nsScreenManagerMac.cpp \
 		$(NULL)
 
 EXTRA_DSO_LDOPTS = \

gfx/src/windows/makefile.win

@@ -41,6 +41,8 @@ OBJS =                                  \
 	.\$(OBJDIR)\nsRegionWin.obj          \
 	.\$(OBJDIR)\nsDeviceContextSpecWin.obj          \
 	.\$(OBJDIR)\nsDeviceContextSpecFactoryW.obj          \
+	.\$(OBJDIR)\nsScreenWin.obj          \
+	.\$(OBJDIR)\nsScreenManagerWin.obj          \
 	.\$(OBJDIR)\nsGfxFactoryWin.obj          \
 	$(NULL)