Move RemoteBitrateEstimator::RemoveStream calls from receive streams to Call.

webrtc/video/rtp_stream_receiver_unittest.cc

Index: webrtc/video/rtp_stream_receiver_unittest.cc
diff --git a/webrtc/video/rtp_stream_receiver_unittest.cc b/webrtc/video/rtp_stream_receiver_unittest.cc
index 859c1f5a1f9bf7ccf7ab3d238daf170ebbfeeeda..4eb5b6eef90beccfd470923ae6199f44392bfdd4 100644
--- a/webrtc/video/rtp_stream_receiver_unittest.cc
+++ b/webrtc/video/rtp_stream_receiver_unittest.cc
@@ -104,7 +104,7 @@ class RtpStreamReceiverTest : public testing::Test {
 
   void SetUp() {
     rtp_stream_receiver_.reset(new RtpStreamReceiver(
-        nullptr, &mock_transport_, nullptr, &packet_router_, nullptr, &config_,
+        &mock_transport_, nullptr, &packet_router_, nullptr, &config_,
         nullptr, process_thread_.get(), &mock_nack_sender_,
         &mock_key_frame_request_sender_, &mock_on_complete_frame_callback_,
         &timing_));