Let ViEEncoder express resolution requests as Sinkwants

webrtc/video/end_to_end_tests.cc

Index: webrtc/video/end_to_end_tests.cc
diff --git a/webrtc/video/end_to_end_tests.cc b/webrtc/video/end_to_end_tests.cc
index 8b923a7b97741f221685a111d3eb9ea27311b6af..7b796c00b440e4955425115f4857d18cf419b1f2 100644
--- a/webrtc/video/end_to_end_tests.cc
+++ b/webrtc/video/end_to_end_tests.cc
@@ -233,7 +233,8 @@ TEST_F(EndToEndTest, RendersSingleDelayedFrame) {
   std::unique_ptr<test::FrameGenerator> frame_generator(
       test::FrameGenerator::CreateChromaGenerator(kWidth, kHeight));
   test::FrameForwarder frame_forwarder;
-  video_send_stream_->SetSource(&frame_forwarder);
+  video_send_stream_->SetSource(
+      &frame_forwarder, VideoSendStream::DegradationPreference::kBalanced);
 
   frame_forwarder.IncomingCapturedFrame(*frame_generator->NextFrame());
   EXPECT_TRUE(pre_render_callback.Wait())
@@ -279,7 +280,8 @@ TEST_F(EndToEndTest, TransmitsFirstFrame) {
       test::FrameGenerator::CreateChromaGenerator(kDefaultWidth,
                                                   kDefaultHeight));
   test::FrameForwarder frame_forwarder;
-  video_send_stream_->SetSource(&frame_forwarder);
+  video_send_stream_->SetSource(
+      &frame_forwarder, VideoSendStream::DegradationPreference::kBalanced);
   frame_forwarder.IncomingCapturedFrame(*frame_generator->NextFrame());
 
   EXPECT_TRUE(renderer.Wait())
@@ -1317,7 +1319,9 @@ class MultiStreamTest {
 
       frame_generators[i] = test::FrameGeneratorCapturer::Create(
           width, height, 30, Clock::GetRealTimeClock());
-      send_streams[i]->SetSource(frame_generators[i]);
+      send_streams[i]->SetSource(
+          frame_generators[i],
+          VideoSendStream::DegradationPreference::kBalanced);
       frame_generators[i]->Start();
     }
 
@@ -1777,7 +1781,8 @@ TEST_F(EndToEndTest, ObserversEncodedFrames) {
       test::FrameGenerator::CreateChromaGenerator(kDefaultWidth,
                                                   kDefaultHeight));
   test::FrameForwarder forwarder;
-  video_send_stream_->SetSource(&forwarder);
+  video_send_stream_->SetSource(
+      &forwarder, VideoSendStream::DegradationPreference::kBalanced);
   forwarder.IncomingCapturedFrame(*frame_generator->NextFrame());
 
   EXPECT_TRUE(post_encode_observer.Wait())