Kill off nsComObsolete.h

Patch by marco@gnome.org to bug 241145
r=caillon sr=dbaron

widget/public/nsIPrintSettings.idl

@@ -43,7 +43,6 @@
 
 %{ C++
 #include "nsMargin.h"
-#include "nsFont.h"
 %}
 
 /**

widget/src/xpwidgets/nsPrintSession.h

@@ -41,7 +41,7 @@
 
 #include "nsIPrintSession.h" 
 #include "nsWeakReference.h"
-#include "nsComObsolete.h"
+#include "gfxCore.h"
 
 //*****************************************************************************
 //***    nsPrintSession

widget/src/xpwidgets/nsPrintSettingsImpl.h

@@ -40,6 +40,7 @@
 #ifndef nsPrintSettingsImpl_h__
 #define nsPrintSettingsImpl_h__
 
+#include "gfxCore.h"
 #include "nsIPrintSettings.h"  
 #include "nsMargin.h"  
 #include "nsString.h"