The frames need to be appended and the default method just asserts

b=41528 r=kmcclusk


git-svn-id: svn://10.0.0.236/trunk@75431 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/layout/html/forms/src/nsHTMLButtonControlFrame.cpp

@@ -779,4 +779,15 @@ NS_IMETHODIMP nsHTMLButtonControlFrame::SetSuggestedSize(nscoord aWidth, nscoord
 
 
 
+NS_IMETHODIMP 
+nsHTMLButtonControlFrame::AppendFrames(nsIPresContext* aPresContext,
+                                       nsIPresShell&   aPresShell,
+                                       nsIAtom*        aListName,
+                                       nsIFrame*       aFrameList)
+{
+  return mFrames.FirstChild()->AppendFrames(aPresContext,
+                                     aPresShell,
+                                     aListName,
+                                     aFrameList);
+}