Revert of Add task queue to Call.

webrtc/video/video_quality_test.cc

Index: webrtc/video/video_quality_test.cc
diff --git a/webrtc/video/video_quality_test.cc b/webrtc/video/video_quality_test.cc
index b111be774ca5e78508f0f2a6dff167d4fd6140e4..a401d6dd42aec5a7dc8a143b77de3e656b3672ec 100644
--- a/webrtc/video/video_quality_test.cc
+++ b/webrtc/video/video_quality_test.cc
@@ -1135,7 +1135,7 @@
 
   SetupCommon(&transport, &transport);
 
-  video_send_config_.pre_encode_callback = local_preview.get();
+  video_send_config_.local_renderer = local_preview.get();
   video_receive_configs_[stream_id].renderer = loopback_video.get();
 
   video_send_config_.suspend_below_min_bitrate =
@@ -1153,8 +1153,8 @@
   if (params_.screenshare.enabled)
     SetupScreenshare();
 
-  video_send_stream_ = call->CreateVideoSendStream(
-      video_send_config_.Copy(), video_encoder_config_.Copy());
+  video_send_stream_ =
+      call->CreateVideoSendStream(video_send_config_, video_encoder_config_);
   VideoReceiveStream* receive_stream =
       call->CreateVideoReceiveStream(video_receive_configs_[stream_id].Copy());
   CreateCapturer(video_send_stream_->Input());