HTTPSession::pauseReads() {
  // Make sure the parser is paused.  Note that if reads are shutdown
  // before they are paused, we never make it past the if.
  codec_->setParserPaused(true);
  if (!readsUnpaused() ||
      (codec_->supportsParallelRequests() &&
       !ingressLimitExceeded())) {
    return;
  }
  pauseReadsImpl();
}
HTTPSession::pauseReads() {
   
   
  codec_->setParserPaused(true);
  if (!readsUnpaused() ||
      (codec_->supportsParallelRequests() &&
       !ingressLimitExceeded())) {
    return;
  }
  pauseReadsImpl();
}