if (mVScrollbarBox) SetAttribute(mVScrollbarBox, nsXULAtoms::curpos, aY);  if (mHScrollbarBox) SetAttribute(mHScrollbarBox, nsXULAtoms::curpos, aX);  return NS_OK;
NS_ASSERTION(!mViewInitiatedScroll, "Cannot reenter ScrollPositionDidChange");  mViewInitiatedScroll = PR_TRUE;  InternalScrollPositionDidChange(aX, aY);  mViewInitiatedScroll = PR_FALSE;  return NS_OK;
nsGfxScrollFrameInner::ScrollPositionDidChange(nsIScrollableView* aScrollable, nscoord aX, nscoord aY){   if (mVScrollbarBox)     SetAttribute(mVScrollbarBox, nsXULAtoms::curpos, aY);      if (mHScrollbarBox)     SetAttribute(mHScrollbarBox, nsXULAtoms::curpos, aX);      return NS_OK;}