Reland of Add task queue to Call.

webrtc/media/engine/fakewebrtccall.cc

 /*
  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 80 matching lines @@
 void FakeAudioReceiveStream::SetSink(
     std::unique_ptr<webrtc::AudioSinkInterface> sink) {
   sink_ = std::move(sink);
 }
 
 void FakeAudioReceiveStream::SetGain(float gain) {
   gain_ = gain;
 }
 
 FakeVideoSendStream::FakeVideoSendStream(
-    const webrtc::VideoSendStream::Config& config,
-    const webrtc::VideoEncoderConfig& encoder_config)
+    webrtc::VideoSendStream::Config config,
+    webrtc::VideoEncoderConfig encoder_config)
     : sending_(false),
-      config_(config),
+      config_(std::move(config)),
       codec_settings_set_(false),
       num_swapped_frames_(0) {
   RTC_DCHECK(config.encoder_settings.encoder != NULL);
-  ReconfigureVideoEncoder(encoder_config);
+  ReconfigureVideoEncoder(std::move(encoder_config));
 }
 
-webrtc::VideoSendStream::Config FakeVideoSendStream::GetConfig() const {
+const webrtc::VideoSendStream::Config& FakeVideoSendStream::GetConfig() const {
   return config_;
 }
 
-webrtc::VideoEncoderConfig FakeVideoSendStream::GetEncoderConfig() const {
+const webrtc::VideoEncoderConfig& FakeVideoSendStream::GetEncoderConfig()
+    const {
   return encoder_config_;
 }
 
 std::vector<webrtc::VideoStream> FakeVideoSendStream::GetVideoStreams() {
   return encoder_config_.streams;
 }
 
 bool FakeVideoSendStream::IsSending() const {
   return sending_;
 }
@@ skipping 44 matching lines @@
 void FakeVideoSendStream::SetStats(
     const webrtc::VideoSendStream::Stats& stats) {
   stats_ = stats;
 }
 
 webrtc::VideoSendStream::Stats FakeVideoSendStream::GetStats() {
   return stats_;
 }
 
 void FakeVideoSendStream::ReconfigureVideoEncoder(
-    const webrtc::VideoEncoderConfig& config) {
-  encoder_config_ = config;
+    webrtc::VideoEncoderConfig config) {
   if (config.encoder_specific_settings != NULL) {
     if (config_.encoder_settings.payload_name == "VP8") {
       vpx_settings_.vp8 = *reinterpret_cast<const webrtc::VideoCodecVP8*>(
                               config.encoder_specific_settings);
       if (!config.streams.empty()) {
         vpx_settings_.vp8.numberOfTemporalLayers = static_cast<unsigned char>(
             config.streams.back().temporal_layer_thresholds_bps.size() + 1);
       }
     } else if (config_.encoder_settings.payload_name == "VP9") {
       vpx_settings_.vp9 = *reinterpret_cast<const webrtc::VideoCodecVP9*>(
                               config.encoder_specific_settings);
       if (!config.streams.empty()) {
         vpx_settings_.vp9.numberOfTemporalLayers = static_cast<unsigned char>(
             config.streams.back().temporal_layer_thresholds_bps.size() + 1);
       }
     } else {
       ADD_FAILURE() << "Unsupported encoder payload: "
                     << config_.encoder_settings.payload_name;
     }
   }
+  encoder_config_ = std::move(config);
   codec_settings_set_ = config.encoder_specific_settings != NULL;
   ++num_encoder_reconfigurations_;
 }
 
 webrtc::VideoCaptureInput* FakeVideoSendStream::Input() {
   return this;
 }
 
 void FakeVideoSendStream::Start() {
   sending_ = true;
@@ skipping 140 matching lines @@
                       static_cast<FakeAudioReceiveStream*>(receive_stream));
   if (it == audio_receive_streams_.end()) {
     ADD_FAILURE() << "DestroyAudioReceiveStream called with unknown parameter.";
   } else {
     delete *it;
     audio_receive_streams_.erase(it);
   }
 }
 
 webrtc::VideoSendStream* FakeCall::CreateVideoSendStream(
-    const webrtc::VideoSendStream::Config& config,
-    const webrtc::VideoEncoderConfig& encoder_config) {
+    webrtc::VideoSendStream::Config config,
+    webrtc::VideoEncoderConfig encoder_config) {
   FakeVideoSendStream* fake_stream =
-      new FakeVideoSendStream(config, encoder_config);
+      new FakeVideoSendStream(std::move(config), std::move(encoder_config));
   video_send_streams_.push_back(fake_stream);
   ++num_created_send_streams_;
   return fake_stream;
 }
 
 void FakeCall::DestroyVideoSendStream(webrtc::VideoSendStream* send_stream) {
   auto it = std::find(video_send_streams_.begin(),
                       video_send_streams_.end(),
                       static_cast<FakeVideoSendStream*>(send_stream));
   if (it == video_send_streams_.end()) {
@@ skipping 103 matching lines @@
 }
 
 bool FakeCall::StartEventLog(rtc::PlatformFile log_file,
                              int64_t max_size_bytes) {
   return false;
 }
 
 void FakeCall::StopEventLog() {}
 
 }  // namespace cricket