void Stop() { if (mTimer) mTimer->Cancel(); }
DocumentViewerImpl::Stop(void) { NS_ASSERTION(mDocument, "Stop called too early or too late"); if (mDocument) { mDocument->StopDocumentLoad(); }  mStopped = PR_TRUE;  if (!mLoaded && mPresShell) {  mPresShell->UnsuppressPainting();  if (mPresContext) {      mPresContext->Stop(PR_FALSE); } }  return NS_OK; }
  void Stop() { if (mTimer) mTimer->Cancel(); }