Cast:Adding cast_transport_config and cleaning up

media/cast/video_sender/video_encoder_unittest.cc

Index: media/cast/video_sender/video_encoder_unittest.cc
diff --git a/media/cast/video_sender/video_encoder_unittest.cc b/media/cast/video_sender/video_encoder_unittest.cc
index b68b8364c43a7d31becf7d2e9775604273b6d4cf..23fb2c945bc4e7525b62a66c30ba4499ef40f300 100644
--- a/media/cast/video_sender/video_encoder_unittest.cc
+++ b/media/cast/video_sender/video_encoder_unittest.cc
@@ -36,8 +36,9 @@ class TestVideoEncoderCallback :
     expected_capture_time_ = expected_capture_time;
   }
 
-  void DeliverEncodedVideoFrame(scoped_ptr<EncodedVideoFrame> encoded_frame,
-                                const base::TimeTicks& capture_time) {
+  void DeliverEncodedVideoFrame(
+      scoped_ptr<transport::EncodedVideoFrame> encoded_frame,
+      const base::TimeTicks& capture_time) {
     EXPECT_EQ(expected_key_frame_, encoded_frame->key_frame);
     EXPECT_EQ(expected_frame_id_, encoded_frame->frame_id);
     EXPECT_EQ(expected_last_referenced_frame_id_,
@@ -75,7 +76,7 @@ class VideoEncoderTest : public ::testing::Test {
     video_config_.min_qp = 0;
     video_config_.max_frame_rate = 30;
     video_config_.max_number_of_video_buffers_used = 3;
-    video_config_.codec = kVp8;
+    video_config_.codec = transport::kVp8;
     gfx::Size size(video_config_.width, video_config_.height);
     video_frame_ =  media::VideoFrame::CreateFrame(VideoFrame::I420,
         size, gfx::Rect(size), size, base::TimeDelta());