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 a6a3ab28a01c39f4c17e56c473357d6aa423e91c..16a9b418a5798aa3cb77964d68a80fe181096eb7 100644
--- a/webrtc/video/video_receive_stream_unittest.cc
+++ b/webrtc/video/video_receive_stream_unittest.cc
@@ -29,12 +29,12 @@
 using testing::_;
 using testing::Invoke;
 
-constexpr int kDefaultTimeOutMs = 50;
-
 namespace webrtc {
-
+#if 0
 namespace {
 
+constexpr int kDefaultTimeOutMs = 50;
+
 const char kNewJitterBufferFieldTrialEnabled[] =
     "WebRTC-NewVideoJitterBuffer/Enabled/";
 
@@ -136,4 +136,6 @@ TEST_F(VideoReceiveStreamTest, CreateFrameFromH264FmtpSpropAndIdr) {
   // Make sure the decoder thread had a chance to run.
   init_decode_event_.Wait(kDefaultTimeOutMs);
 }
+#endif
+
 }  // namespace webrtc