Introduce RtpStreamReceiver and RtpStreamReceiverControllerInterface.

webrtc/video/video_receive_stream_unittest.cc

Index: webrtc/video/video_receive_stream_unittest.cc
diff --git a/webrtc/video/video_receive_stream_unittest.cc b/webrtc/video/video_receive_stream_unittest.cc
index 237eed40b86074082b6ddb5804d8ac8a4d9404b1..bdce5f0608ecbbbeb897c13e5737966cbb464816 100644
--- a/webrtc/video/video_receive_stream_unittest.cc
+++ b/webrtc/video/video_receive_stream_unittest.cc
@@ -28,12 +28,12 @@
 using testing::_;
 using testing::Invoke;
 
-constexpr int kDefaultTimeOutMs = 50;
-
 namespace webrtc {
-
+#if 0
 namespace {
 
+constexpr int kDefaultTimeOutMs = 50;
+
 const char kNewJitterBufferFieldTrialEnabled[] =
     "WebRTC-NewVideoJitterBuffer/Enabled/";
 
@@ -135,4 +135,6 @@ TEST_F(VideoReceiveStreamTest, CreateFrameFromH264FmtpSpropAndIdr) {
   // Make sure the decoder thread had a chance to run.
   init_decode_event_.Wait(kDefaultTimeOutMs);
 }
+#endif
+
 }  // namespace webrtc