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

webrtc/media/engine/webrtcvoiceengine.h

Index: webrtc/media/engine/webrtcvoiceengine.h
diff --git a/webrtc/media/engine/webrtcvoiceengine.h b/webrtc/media/engine/webrtcvoiceengine.h
index bbfec880f884186b20af5d0a22377e115f4b6c47..e613d4d1f7ff2844e7de0451e6a6e0ea64fbfa92 100644
--- a/webrtc/media/engine/webrtcvoiceengine.h
+++ b/webrtc/media/engine/webrtcvoiceengine.h
@@ -57,13 +57,15 @@ class WebRtcVoiceEngine final : public webrtc::TraceCallback  {
       webrtc::AudioDeviceModule* adm,
       const rtc::scoped_refptr<webrtc::AudioEncoderFactory>& encoder_factory,
       const rtc::scoped_refptr<webrtc::AudioDecoderFactory>& decoder_factory,
-      rtc::scoped_refptr<webrtc::AudioMixer> audio_mixer);
+      rtc::scoped_refptr<webrtc::AudioMixer> audio_mixer,
+      rtc::TaskQueue* low_priority_worker_queue);
   // Dependency injection for testing.
   WebRtcVoiceEngine(
       webrtc::AudioDeviceModule* adm,
       const rtc::scoped_refptr<webrtc::AudioEncoderFactory>& encoder_factory,
       const rtc::scoped_refptr<webrtc::AudioDecoderFactory>& decoder_factory,
       rtc::scoped_refptr<webrtc::AudioMixer> audio_mixer,
+      rtc::TaskQueue* low_priority_worker_queue,
       VoEWrapper* voe_wrapper);
   ~WebRtcVoiceEngine() override;
 
@@ -112,8 +114,6 @@ class WebRtcVoiceEngine final : public webrtc::TraceCallback  {
   void StartAecDump(const std::string& filename);
   int CreateVoEChannel();
 
-  rtc::TaskQueue low_priority_worker_queue_;
-
   webrtc::AudioDeviceModule* adm();
   webrtc::AudioProcessing* apm();
   webrtc::voe::TransmitMixer* transmit_mixer();
@@ -139,7 +139,6 @@ class WebRtcVoiceEngine final : public webrtc::TraceCallback  {
   std::vector<AudioCodec> recv_codecs_;
   std::vector<WebRtcVoiceMediaChannel*> channels_;
   webrtc::VoEBase::ChannelConfig channel_config_;
-  bool is_dumping_aec_ = false;
 
   webrtc::AgcConfig default_agc_config_;
   // Cache received extended_filter_aec, delay_agnostic_aec, experimental_ns
@@ -155,6 +154,8 @@ class WebRtcVoiceEngine final : public webrtc::TraceCallback  {
 
   webrtc::AudioProcessing::Config apm_config_;
 
+  rtc::TaskQueue* low_priority_worker_queue_;
+
   RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(WebRtcVoiceEngine);
 };