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

webrtc/media/engine/nullwebrtcvideoengine_unittest.cc

Index: webrtc/media/engine/nullwebrtcvideoengine_unittest.cc
diff --git a/webrtc/media/engine/nullwebrtcvideoengine_unittest.cc b/webrtc/media/engine/nullwebrtcvideoengine_unittest.cc
index 342b5a89368dc0d9f6ed2b865bcc4f286405149c..24388a8750a9ab147d951628e60a0327d2e1be8c 100644
--- a/webrtc/media/engine/nullwebrtcvideoengine_unittest.cc
+++ b/webrtc/media/engine/nullwebrtcvideoengine_unittest.cc
@@ -26,12 +26,14 @@ class WebRtcMediaEngineNullVideo
       const rtc::scoped_refptr<webrtc::AudioDecoderFactory>&
           audio_decoder_factory,
       WebRtcVideoEncoderFactory* video_encoder_factory,
-      WebRtcVideoDecoderFactory* video_decoder_factory)
+      WebRtcVideoDecoderFactory* video_decoder_factory,
+      rtc::TaskQueue* low_priority_worker_queue_)
       : CompositeMediaEngine<WebRtcVoiceEngine, NullWebRtcVideoEngine>(
             adm,
             audio_encoder_factory,
             audio_decoder_factory,
-            nullptr) {
+            nullptr,
+            low_priority_worker_queue_) {
     video_.SetExternalDecoderFactory(video_decoder_factory);
     video_.SetExternalEncoderFactory(video_encoder_factory);
   }
@@ -42,7 +44,8 @@ class WebRtcMediaEngineNullVideo
 TEST(NullWebRtcVideoEngineTest, CheckInterface) {
   WebRtcMediaEngineNullVideo engine(
       nullptr, webrtc::MockAudioEncoderFactory::CreateUnusedFactory(),
-      webrtc::MockAudioDecoderFactory::CreateUnusedFactory(), nullptr, nullptr);
+      webrtc::MockAudioDecoderFactory::CreateUnusedFactory(), nullptr, nullptr,
+      nullptr);
   EXPECT_TRUE(engine.Init());
 }