Wire up send-side bandwidth estimation.

webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc

Index: webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc
index 394fa688491277b6a5b90d16178f106675feb368..1d8a22d73a13167e98e8583572012c57b7ba6578 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc
@@ -66,7 +66,11 @@ class RtcpFormatRembTest : public ::testing::Test {
   RtcpFormatRembTest()
       : over_use_detector_options_(),
         system_clock_(Clock::GetRealTimeClock()),
+        dummy_rtp_rtcp_impl_(nullptr),
         receive_statistics_(ReceiveStatistics::Create(system_clock_)),
+        rtcp_sender_(nullptr),
+        rtcp_receiver_(nullptr),
+        test_transport_(nullptr),
         remote_bitrate_observer_(),
         remote_bitrate_estimator_(new RemoteBitrateEstimatorSingleStream(
             &remote_bitrate_observer_,
@@ -94,9 +98,9 @@ void RtcpFormatRembTest::SetUp() {
   configuration.remote_bitrate_estimator = remote_bitrate_estimator_.get();
   dummy_rtp_rtcp_impl_ = new ModuleRtpRtcpImpl(configuration);
   rtcp_sender_ = new RTCPSender(0, false, system_clock_,
-                                receive_statistics_.get(), NULL);
-  rtcp_receiver_ = new RTCPReceiver(0, system_clock_, false, NULL, NULL, NULL,
-                                    dummy_rtp_rtcp_impl_);
+                                receive_statistics_.get(), nullptr);
+  rtcp_receiver_ = new RTCPReceiver(0, system_clock_, false, nullptr, nullptr,
+                                    nullptr, nullptr, dummy_rtp_rtcp_impl_);
   test_transport_ = new TestTransport(rtcp_receiver_);
 
   EXPECT_EQ(0, rtcp_sender_->RegisterSendTransport(test_transport_));