Cast: Clean up injection of transport into PacedPacketSender

media/cast/audio_sender/audio_sender_unittest.cc

Index: media/cast/audio_sender/audio_sender_unittest.cc
diff --git a/media/cast/audio_sender/audio_sender_unittest.cc b/media/cast/audio_sender/audio_sender_unittest.cc
index 00782cdd3e722f303692d589f730ecd7125320db..063d2564e9cb68b2939ac25d60121b0841e0b2f4 100644
--- a/media/cast/audio_sender/audio_sender_unittest.cc
+++ b/media/cast/audio_sender/audio_sender_unittest.cc
@@ -84,8 +84,8 @@ class AudioSenderTest : public ::testing::Test {
         testing_clock_,
         transport_config,
         base::Bind(&UpdateCastTransportStatus),
-        task_runner_));
-    transport_sender_->InsertFakeTransportForTesting(&transport_);
+        task_runner_,
+        &transport_));
     audio_sender_.reset(new AudioSender(
         cast_environment_, audio_config_, transport_sender_.get()));
     task_runner_->RunTasks();