Work-in-progress upload to add worker task queue to PC factory.

webrtc/pc/peerconnectionfactory.h

 /*
  *  Copyright 2011 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.
  */
 
 #ifndef WEBRTC_PC_PEERCONNECTIONFACTORY_H_
 #define WEBRTC_PC_PEERCONNECTIONFACTORY_H_
 
 #include <memory>
 #include <string>
 
 #include "webrtc/api/mediastreaminterface.h"
 #include "webrtc/api/peerconnectioninterface.h"
+#include "webrtc/base/rtccertificategenerator.h"
 #include "webrtc/base/scoped_ref_ptr.h"
+#include "webrtc/base/task_queue.h"
 #include "webrtc/base/thread.h"
-#include "webrtc/base/rtccertificategenerator.h"
 #include "webrtc/pc/channelmanager.h"
 
 namespace rtc {
 class BasicNetworkManager;
 class BasicPacketSocketFactory;
 }
 
 namespace webrtc {
 
 class RtcEventLog;
@@ skipping 90 matching lines @@
 
  private:
   std::unique_ptr<cricket::MediaEngineInterface> CreateMediaEngine_w();
 
   bool owns_ptrs_;
   bool wraps_current_thread_;
   rtc::Thread* network_thread_;
   rtc::Thread* worker_thread_;
   rtc::Thread* signaling_thread_;
   Options options_;
+  rtc::TaskQueue low_priority_worker_queue_;
   // External Audio device used for audio playback.
   rtc::scoped_refptr<AudioDeviceModule> default_adm_;
   rtc::scoped_refptr<AudioEncoderFactory> audio_encoder_factory_;
   rtc::scoped_refptr<AudioDecoderFactory> audio_decoder_factory_;
   std::unique_ptr<cricket::ChannelManager> channel_manager_;
   // External Video encoder factory. This can be NULL if the client has not
   // injected any. In that case, video engine will use the internal SW encoder.
   std::unique_ptr<cricket::WebRtcVideoEncoderFactory> video_encoder_factory_;
   // External Video decoder factory. This can be NULL if the client has not
   // injected any. In that case, video engine will use the internal SW decoder.
   std::unique_ptr<cricket::WebRtcVideoDecoderFactory> video_decoder_factory_;
   std::unique_ptr<rtc::BasicNetworkManager> default_network_manager_;
   std::unique_ptr<rtc::BasicPacketSocketFactory> default_socket_factory_;
   // External audio mixer. This can be NULL. In that case, internal audio mixer
   // will be created and used.
   rtc::scoped_refptr<AudioMixer> external_audio_mixer_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_PC_PEERCONNECTIONFACTORY_H_