Add task queue to Call.

webrtc/video/vie_encoder.h

Index: webrtc/video/vie_encoder.h
diff --git a/webrtc/video/vie_encoder.h b/webrtc/video/vie_encoder.h
index 098d67f359f2cd7a676d6fb73c4915ae4e7b7a55..c05bc7aeb7b30c6a0dfb8c19ac893619ac31bdf3 100644
--- a/webrtc/video/vie_encoder.h
+++ b/webrtc/video/vie_encoder.h
@@ -55,11 +55,16 @@ class ViEEncoder : public VideoEncoderRateObserver,
   friend class ViEBitrateObserver;
 
   ViEEncoder(uint32_t number_of_cores,
-             ProcessThread* module_process_thread,
              SendStatisticsProxy* stats_proxy,
              OveruseFrameDetector* overuse_detector,
              EncodedImageCallback* sink);
   ~ViEEncoder();
+  // RegisterProcessThread register |module_process_thread| with those objects
+  // that use it. Registration have to happen on the thread where
+  // |module_process_thread| where created (libjingles worker thread).
+  // TODO(perkj): Replace the use of |module_process_thread| with a TaskQueue.
+  void RegisterProcessThread(ProcessThread* module_process_thread);
+  void DeRegisterProcessThread();
 
   vcm::VideoSender* video_sender();
 
@@ -123,10 +128,6 @@ class ViEEncoder : public VideoEncoderRateObserver,
   SendStatisticsProxy* const stats_proxy_;
   OveruseFrameDetector* const overuse_detector_;
 
-  // The time we last received an input frame or encoded frame. This is used to
-  // track when video is stopped long enough that we also want to stop sending
-  // padding.
-  int64_t time_of_last_frame_activity_ms_ GUARDED_BY(data_cs_);
   VideoCodec encoder_config_ GUARDED_BY(data_cs_);
   uint32_t last_observed_bitrate_bps_ GUARDED_BY(data_cs_);
   bool encoder_paused_and_dropped_frame_ GUARDED_BY(data_cs_);