diff --git a/mozilla/layout/forms/nsListControlFrame.cpp b/mozilla/layout/forms/nsListControlFrame.cpp
index 05b9997c7f8..8f3493fd649 100644
--- a/mozilla/layout/forms/nsListControlFrame.cpp
+++ b/mozilla/layout/forms/nsListControlFrame.cpp
@@ -1839,7 +1839,7 @@ nsListControlFrame::InvalidateInternal(const nsRect& aDamageRect,
                                        PRBool aImmediate)
 {
   if (!IsInDropDownMode())
-    nsHTMLScrollFrame::InvalidateInternal(aDamageRect, aX, aY, aForChild, aImmediate);
+    nsHTMLScrollFrame::InvalidateInternal(aDamageRect, aX, aY, this, aImmediate);
   InvalidateRoot(aDamageRect, aX, aY, aImmediate);
 }
 
diff --git a/mozilla/layout/generic/nsBlockFrame.cpp b/mozilla/layout/generic/nsBlockFrame.cpp
index ffef8e1c60f..ca28355812c 100644
--- a/mozilla/layout/generic/nsBlockFrame.cpp
+++ b/mozilla/layout/generic/nsBlockFrame.cpp
@@ -505,12 +505,12 @@ nsBlockFrame::InvalidateInternal(const nsRect& aDamageRect,
     // abs-pos clipping clips everything in the frame
     nsRect r;
     if (r.IntersectRect(aDamageRect, absPosClipRect - nsPoint(aX, aY))) {
-      nsBlockFrameSuper::InvalidateInternal(r, aX, aY, aForChild, aImmediate);
+      nsBlockFrameSuper::InvalidateInternal(r, aX, aY, this, aImmediate);
     }
     return;
   }
 
-  nsBlockFrameSuper::InvalidateInternal(aDamageRect, aX, aY, aForChild, aImmediate);
+  nsBlockFrameSuper::InvalidateInternal(aDamageRect, aX, aY, this, aImmediate);
 }
 
 nscoord