added method

b 21945 r=pollmann

layout/forms/nsIListControlFrame.h

@@ -29,7 +29,7 @@ class nsFormFrame;
 class nsIPresContext;
 class nsString;
 class nsIContent;
-
+class nsIPresState;
 
 // IID for the nsIListControlFrame class
 #define NS_ILISTCONTROLFRAME_IID    \
@@ -100,6 +100,11 @@ public:
    */
   NS_IMETHOD UpdateSelection(PRBool aDoDispatchEvent, PRBool aForceUpdate, nsIContent* aContent) = 0;
 
+  /**
+   *
+   */
+  NS_IMETHOD SetPresState(nsIPresState * aState) = 0;
+
 };
 
 #endif

layout/html/forms/public/nsIListControlFrame.h

@@ -29,7 +29,7 @@ class nsFormFrame;
 class nsIPresContext;
 class nsString;
 class nsIContent;
-
+class nsIPresState;
 
 // IID for the nsIListControlFrame class
 #define NS_ILISTCONTROLFRAME_IID    \
@@ -100,6 +100,11 @@ public:
    */
   NS_IMETHOD UpdateSelection(PRBool aDoDispatchEvent, PRBool aForceUpdate, nsIContent* aContent) = 0;
 
+  /**
+   *
+   */
+  NS_IMETHOD SetPresState(nsIPresState * aState) = 0;
+
 };
 
 #endif