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 621cf0b0201271b6dad70096af9a5fe3e41c5613..6698b9465cf79a943d88c9e3a87951aaa56b41f3 100644
--- a/webrtc/video/vie_encoder.h
+++ b/webrtc/video/vie_encoder.h
@@ -56,11 +56,16 @@ 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();
 
@@ -128,10 +133,6 @@ 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_ GUARDED_BY(data_cs_);