Move ownership of RtpTransportControllerSendInterface from Call to PeerConnection.

webrtc/call/bitrate_estimator_tests.cc

Index: webrtc/call/bitrate_estimator_tests.cc
diff --git a/webrtc/call/bitrate_estimator_tests.cc b/webrtc/call/bitrate_estimator_tests.cc
index ef7aba83e3f12023a1b0bba737b61923e6dc439c..f58aae011763183ce0f79a863769649816f271e8 100644
--- a/webrtc/call/bitrate_estimator_tests.cc
+++ b/webrtc/call/bitrate_estimator_tests.cc
@@ -103,8 +103,8 @@ class BitrateEstimatorTest : public test::CallTest {
 
   virtual void SetUp() {
     Call::Config config(event_log_.get());
-    receiver_call_.reset(Call::Create(config));
-    sender_call_.reset(Call::Create(config));
+    CreateReceiverCall(config);
+    CreateSenderCall(config);
 
     send_transport_.reset(
         new test::DirectTransport(sender_call_.get(), payload_type_map_));
@@ -229,8 +229,6 @@ class BitrateEstimatorTest : public test::CallTest {
   LogObserver receiver_log_;
   std::unique_ptr<test::DirectTransport> send_transport_;
   std::unique_ptr<test::DirectTransport> receive_transport_;
-  std::unique_ptr<Call> sender_call_;
-  std::unique_ptr<Call> receiver_call_;
   VideoReceiveStream::Config receive_config_;
   std::vector<Stream*> streams_;
 };