Cast: Fix two video freezing problems

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 4e55c4faf53e8a0a2023e82e439aacd6accbc3a4..047d2e4331490bae80c2a341ee8a440bfa085428 100644
--- a/media/cast/audio_sender/audio_sender_unittest.cc
+++ b/media/cast/audio_sender/audio_sender_unittest.cc
@@ -69,9 +69,6 @@ class AudioSenderTest : public ::testing::Test {
     audio_config_.bitrate = kDefaultAudioEncoderBitrate;
     audio_config_.rtp_config.payload_type = 127;
 
-    transport::CastTransportAudioConfig transport_config;
-    transport_config.base.rtp_config.payload_type = 127;
-    transport_config.channels = 2;
     net::IPEndPoint dummy_endpoint;
 
     transport_sender_.reset(new transport::CastTransportSenderImpl(
@@ -83,7 +80,6 @@ class AudioSenderTest : public ::testing::Test {
         base::TimeDelta(),
         task_runner_,
         &transport_));
-    transport_sender_->InitializeAudio(transport_config);
     audio_sender_.reset(new AudioSender(
         cast_environment_, audio_config_, transport_sender_.get()));
     task_runner_->RunTasks();