void PpapiPluginProcessHost::CancelRequests() {
  DVLOG(1) << "PpapiPluginProcessHost" << (is_broker_ ? "[broker]" : "")
           << "CancelRequests()";
  for (size_t i = 0; i < pending_requests_.size(); i++) {
    pending_requests_[i]->OnPpapiChannelOpened(IPC::ChannelHandle(), 0);
  }
  pending_requests_.clear();

  while (!sent_requests_.empty()) {
    sent_requests_.front()->OnPpapiChannelOpened(IPC::ChannelHandle(), 0);
    sent_requests_.pop();
  }
}

Unknown