Revert of Cast:Adding cast_transport_config and cleaning up

chrome/renderer/media/cast_rtp_stream.cc

Index: chrome/renderer/media/cast_rtp_stream.cc
diff --git a/chrome/renderer/media/cast_rtp_stream.cc b/chrome/renderer/media/cast_rtp_stream.cc
index 66ac92a6d58c787a534c6ce4815f6af9c38261bf..3f5f8d344e21f84b5a6c659d344fbb9b53c4b843 100644
--- a/chrome/renderer/media/cast_rtp_stream.cc
+++ b/chrome/renderer/media/cast_rtp_stream.cc
@@ -15,7 +15,6 @@
 #include "media/cast/cast_config.h"
 #include "media/cast/cast_defines.h"
 #include "media/cast/cast_sender.h"
-#include "media/cast/transport/cast_transport_config.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h"
 
 using media::cast::AudioSenderConfig;
@@ -80,9 +79,9 @@
   config->bitrate = payload_params.max_bitrate;
   config->aes_key = payload_params.aes_key;
   config->aes_iv_mask = payload_params.aes_iv_mask;
-  config->codec = media::cast::transport::kPcm16;
+  config->codec = media::cast::kPcm16;
   if (payload_params.codec_name == kCodecNameOpus)
-    config->codec = media::cast::transport::kOpus;
+    config->codec = media::cast::kOpus;
   else
     return false;
   return true;
@@ -104,7 +103,7 @@
   config->aes_key = payload_params.aes_key;
   config->aes_iv_mask = payload_params.aes_iv_mask;
   if (payload_params.codec_name == kCodecNameVp8)
-    config->codec = media::cast::transport::kVp8;
+    config->codec = media::cast::kVp8;
   else
     return false;
   return true;