Let ViEEncoder express resolution requests as Sinkwants

webrtc/video/video_send_stream_tests.cc

Index: webrtc/video/video_send_stream_tests.cc
diff --git a/webrtc/video/video_send_stream_tests.cc b/webrtc/video/video_send_stream_tests.cc
index 9d00e007de2f15427e1e3c0c07f13e27c3f40709..712aa85d6095dc1c785bb08cf134f476508e34a7 100644
--- a/webrtc/video/video_send_stream_tests.cc
+++ b/webrtc/video/video_send_stream_tests.cc
@@ -1656,7 +1656,8 @@ TEST_F(VideoSendStreamTest, CapturesTextureAndVideoFrames) {
 
   video_send_stream_->Start();
   test::FrameForwarder forwarder;
-  video_send_stream_->SetSource(&forwarder);
+  video_send_stream_->SetSource(
+      &forwarder, VideoSendStream::DegradationPreference::kBalanced);
   for (size_t i = 0; i < input_frames.size(); i++) {
     forwarder.IncomingCapturedFrame(input_frames[i]);
     // Wait until the output frame is received before sending the next input
@@ -1664,7 +1665,8 @@ TEST_F(VideoSendStreamTest, CapturesTextureAndVideoFrames) {
     observer.WaitOutputFrame();
   }
   video_send_stream_->Stop();
-  video_send_stream_->SetSource(nullptr);
+  video_send_stream_->SetSource(
+      nullptr, VideoSendStream::DegradationPreference::kBalanced);
 
   // Test if the input and output frames are the same. render_time_ms and
   // timestamp are not compared because capturer sets those values.