PR_LOG(gShellLogModuleInfo, PR_LOG_DEBUG,
NS_FRAME_LOG(NS_FRAME_TRACE_CALLS,
PresShell::ContentInserted(nsIContent* aContainer,                           nsIContent* aChild,                           PRInt32     aIndexInContainer){  NS_PRECONDITION(nsnull != mRootFrame, "null root frame");  EnterReflowLock();  nsIFrame* frame = FindFrameWithContent(aContainer);  NS_PRECONDITION(nsnull != frame, "null frame");  PR_LOG(gShellLogModuleInfo, PR_LOG_DEBUG,     ("PresShell::ContentInserted: container=%p[%s] child=%p[%s][%d] frame=%p",      aContainer, ContentTag(aContainer, 0),      aChild, ContentTag(aChild, 1), aIndexInContainer,      frame));  frame->ContentInserted(this, mPresContext, aContainer, aChild,                         aIndexInContainer);  ExitReflowLock();  return NS_OK;}