Use SingleThreadedTaskQueue in DirectTransport

webrtc/test/fake_network_pipe.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 74 matching lines @@
     capacity_link_.pop();
   }
   while (!delay_link_.empty()) {
     delete *delay_link_.begin();
     delay_link_.erase(delay_link_.begin());
   }
 }
 
 void FakeNetworkPipe::SetReceiver(PacketReceiver* receiver) {
   RTC_CHECK(demuxer_);
+  // TODO(eladalon): !!! Lock?
   demuxer_->SetReceiver(receiver);
 }
 
 void FakeNetworkPipe::SetConfig(const FakeNetworkPipe::Config& config) {
   rtc::CritScope crit(&lock_);
   config_ = config;  // Shallow copy of the struct.
   double prob_loss = config.loss_percent / 100.0;
   if (config_.avg_burst_loss_length == -1) {
     // Uniform loss
     prob_loss_bursting_ = prob_loss;
@@ skipping 133 matching lines @@
                            : time_now + kDefaultProcessIntervalMs;
 }
 
 int64_t FakeNetworkPipe::TimeUntilNextProcess() const {
   rtc::CritScope crit(&lock_);
   return std::max<int64_t>(next_process_time_ - clock_->TimeInMilliseconds(),
                            0);
 }
 
 }  // namespace webrtc