Cast:Adding cast_transport_config and cleaning up

media/cast/video_receiver/video_decoder_unittest.cc

Index: media/cast/video_receiver/video_decoder_unittest.cc
diff --git a/media/cast/video_receiver/video_decoder_unittest.cc b/media/cast/video_receiver/video_decoder_unittest.cc
index 6405d1d7bee06d7997ff9d8defc24a724f0caa6b..d1fbe6e3a238eaeca05055029639a99a42dd843c 100644
--- a/media/cast/video_receiver/video_decoder_unittest.cc
+++ b/media/cast/video_receiver/video_decoder_unittest.cc
@@ -44,10 +44,10 @@ class VideoDecoderTest : public ::testing::Test {
     : task_runner_(new test::FakeTaskRunner(&testing_clock_)),
       cast_environment_(new CastEnvironment(&testing_clock_, task_runner_,
           task_runner_, task_runner_, task_runner_, task_runner_,
-          GetDefaultCastLoggingConfig())),
+          task_runner_, GetDefaultCastLoggingConfig())),
       test_callback_(new DecodeTestFrameCallback()) {
     // Configure to vp8.
-    config_.codec = kVp8;
+    config_.codec = transport::kVp8;
     config_.use_external_decoder = false;
     decoder_.reset(new VideoDecoder(config_, cast_environment_));
     testing_clock_.Advance(
@@ -66,9 +66,9 @@ class VideoDecoderTest : public ::testing::Test {
 
 // TODO(pwestin): EXPECT_DEATH tests can not pass valgrind.
 TEST_F(VideoDecoderTest, DISABLED_SizeZero) {
-  EncodedVideoFrame encoded_frame;
+  transport::EncodedVideoFrame encoded_frame;
   base::TimeTicks render_time;
-  encoded_frame.codec = kVp8;
+  encoded_frame.codec = transport::kVp8;
   EXPECT_DEATH(
       decoder_->DecodeVideoFrame(
           &encoded_frame, render_time,
@@ -78,10 +78,10 @@ TEST_F(VideoDecoderTest, DISABLED_SizeZero) {
 
 // TODO(pwestin): EXPECT_DEATH tests can not pass valgrind.
 TEST_F(VideoDecoderTest, DISABLED_InvalidCodec) {
-  EncodedVideoFrame encoded_frame;
+  transport::EncodedVideoFrame encoded_frame;
   base::TimeTicks render_time;
   encoded_frame.data.assign(kFrameSize, 0);
-  encoded_frame.codec = kExternalVideo;
+  encoded_frame.codec = transport::kExternalVideo;
   EXPECT_DEATH(
       decoder_->DecodeVideoFrame(&encoded_frame, render_time, base::Bind(
           &DecodeTestFrameCallback::DecodeComplete, test_callback_)),