Let ViEEncoder handle resolution changes.

webrtc/media/engine/fakewebrtccall.h

 /*
  *  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 91 matching lines @@
 
 class FakeVideoSendStream final
     : public webrtc::VideoSendStream,
       public rtc::VideoSinkInterface<webrtc::VideoFrame> {
  public:
   FakeVideoSendStream(webrtc::VideoSendStream::Config config,
                       webrtc::VideoEncoderConfig encoder_config);
   ~FakeVideoSendStream() override;
   const webrtc::VideoSendStream::Config& GetConfig() const;
   const webrtc::VideoEncoderConfig& GetEncoderConfig() const;
-  std::vector<webrtc::VideoStream> GetVideoStreams();
+  const std::vector<webrtc::VideoStream>& GetVideoStreams() const;
 
   bool IsSending() const;
   bool GetVp8Settings(webrtc::VideoCodecVP8* settings) const;
   bool GetVp9Settings(webrtc::VideoCodecVP9* settings) const;
 
   int GetNumberOfSwappedFrames() const;
   int GetLastWidth() const;
   int GetLastHeight() const;
   int64_t GetLastTimestamp() const;
   void SetStats(const webrtc::VideoSendStream::Stats& stats);
@@ skipping 12 matching lines @@
   void Start() override;
   void Stop() override;
   void SetSource(
       rtc::VideoSourceInterface<webrtc::VideoFrame>* source) override;
   webrtc::VideoSendStream::Stats GetStats() override;
   void ReconfigureVideoEncoder(webrtc::VideoEncoderConfig config) override;
 
   bool sending_;
   webrtc::VideoSendStream::Config config_;
   webrtc::VideoEncoderConfig encoder_config_;
+  std::vector<webrtc::VideoStream> video_streams_;
   bool codec_settings_set_;
   union VpxSettings {
     webrtc::VideoCodecVP8 vp8;
     webrtc::VideoCodecVP9 vp9;
   } vpx_settings_;
   rtc::VideoSourceInterface<webrtc::VideoFrame>* source_;
   int num_swapped_frames_;
   webrtc::VideoFrame last_frame_;
   webrtc::VideoSendStream::Stats stats_;
   int num_encoder_reconfigurations_ = 0;
@@ skipping 103 matching lines @@
   std::vector<FakeAudioSendStream*> audio_send_streams_;
   std::vector<FakeVideoReceiveStream*> video_receive_streams_;
   std::vector<FakeAudioReceiveStream*> audio_receive_streams_;
 
   int num_created_send_streams_;
   int num_created_receive_streams_;
 };
 
 }  // namespace cricket
 #endif  // WEBRTC_MEDIA_ENGINE_FAKEWEBRTCCALL_H_