diff --git a/mozilla/layout/generic/nsHTMLContainerFrame.h b/mozilla/layout/generic/nsHTMLContainerFrame.h
index 812f6bf0d0b..6e644f77597 100644
--- a/mozilla/layout/generic/nsHTMLContainerFrame.h
+++ b/mozilla/layout/generic/nsHTMLContainerFrame.h
@@ -65,6 +65,8 @@ protected:
                           nsIContent*      aContent,
                           nsIStyleContext* aStyleContext,
                           nsIFrame*&       aResult);
+
+  nsresult ProcessInitialReflow(nsIPresContext* aPresContext);
 };
 
 #endif /* nsHTMLContainerFrame_h___ */
diff --git a/mozilla/layout/html/base/src/nsHTMLContainerFrame.h b/mozilla/layout/html/base/src/nsHTMLContainerFrame.h
index 812f6bf0d0b..6e644f77597 100644
--- a/mozilla/layout/html/base/src/nsHTMLContainerFrame.h
+++ b/mozilla/layout/html/base/src/nsHTMLContainerFrame.h
@@ -65,6 +65,8 @@ protected:
                           nsIContent*      aContent,
                           nsIStyleContext* aStyleContext,
                           nsIFrame*&       aResult);
+
+  nsresult ProcessInitialReflow(nsIPresContext* aPresContext);
 };
 
 #endif /* nsHTMLContainerFrame_h___ */