Cast:Adding cast_transport_config and cleaning up

media/cast/audio_receiver/audio_receiver_unittest.cc

Index: media/cast/audio_receiver/audio_receiver_unittest.cc
diff --git a/media/cast/audio_receiver/audio_receiver_unittest.cc b/media/cast/audio_receiver/audio_receiver_unittest.cc
index 573287d5f2f22b8f393156bca02bee24aa8060a4..661d637f63d5dfa4a28a8e89142facf765146500 100644
--- a/media/cast/audio_receiver/audio_receiver_unittest.cc
+++ b/media/cast/audio_receiver/audio_receiver_unittest.cc
@@ -32,10 +32,11 @@ class TestAudioEncoderCallback :
     expected_playout_time_ = expected_playout_time;
   }
 
-  void DeliverEncodedAudioFrame(scoped_ptr<EncodedAudioFrame> audio_frame,
-                                const base::TimeTicks& playout_time) {
+  void DeliverEncodedAudioFrame(
+      scoped_ptr<transport::EncodedAudioFrame> audio_frame,
+      const base::TimeTicks& playout_time) {
     EXPECT_EQ(expected_frame_id_, audio_frame->frame_id);
-    EXPECT_EQ(kPcm16, audio_frame->codec);
+    EXPECT_EQ(transport::kPcm16, audio_frame->codec);
     EXPECT_EQ(expected_playout_time_, playout_time);
     num_called_++;
   }
@@ -71,7 +72,7 @@ class AudioReceiverTest : public ::testing::Test {
     audio_config_.rtp_payload_type = 127;
     audio_config_.frequency = 16000;
     audio_config_.channels = 1;
-    audio_config_.codec = kPcm16;
+    audio_config_.codec = transport::kPcm16;
     audio_config_.use_external_decoder = false;
     audio_config_.feedback_ssrc = 1234;
     testing_clock_.Advance(
@@ -121,7 +122,7 @@ TEST_F(AudioReceiverTest, GetOnePacketEncodedframe) {
 
   receiver_->IncomingParsedRtpPacket(payload_.data(),
       payload_.size(), rtp_header_);
-  EncodedAudioFrame audio_frame;
+  transport::EncodedAudioFrame audio_frame;
   base::TimeTicks playout_time;
   test_audio_encoder_callback_->SetExpectedResult(0, testing_clock_.NowTicks());
 
@@ -148,7 +149,7 @@ TEST_F(AudioReceiverTest, MultiplePendingGetCalls) {
   receiver_->IncomingParsedRtpPacket(payload_.data(), payload_.size(),
                                      rtp_header_);
 
-  EncodedAudioFrame audio_frame;
+  transport::EncodedAudioFrame audio_frame;
   base::TimeTicks playout_time;
   test_audio_encoder_callback_->SetExpectedResult(0, testing_clock_.NowTicks());