Forward-declare nsIPresShell in nsISelectionPrivate.h.

content/base/public/nsISelectionController.idl

@@ -27,13 +27,12 @@
 #include "nsISelectionDisplay.idl"
 
 %{C++
-
-class nsISelection;
 typedef short SelectionType;
 typedef short SelectionRegion;
 %}
 
 interface nsIDOMNode;
+interface nsISelection;
 interface nsISelectionDisplay;
 
 [scriptable, uuid(D2D1D179-85A7-11d3-9932-00108301233C)]

content/base/public/nsISelectionPrivate.idl

@@ -43,6 +43,10 @@
 interface nsIDOMRange;
 interface nsISelectionListener;
 
+%{C++
+class nsIPresShell;
+%}
+
 [ptr] native nsIPresShell(nsIPresShell);
 
 [scriptable, uuid(2d5535e2-1dd2-11b2-8e38-d53ec833adf6)]