Revert of Cast:Adding cast_transport_config and cleaning up

media/cast/cast_config.cc

Index: media/cast/cast_config.cc
diff --git a/media/cast/cast_config.cc b/media/cast/cast_config.cc
index 27745bc98808c35253e5ffe9d7b7384cbb2a34c3..c2c4cd9188d3eaa0b6fb1528f89cdfa18712f060 100644
--- a/media/cast/cast_config.cc
+++ b/media/cast/cast_config.cc
@@ -46,8 +46,19 @@
       max_frame_rate(kDefaultMaxFrameRate),
       decoder_faster_than_max_frame_rate(true) {}
 
+EncodedVideoFrame::EncodedVideoFrame() {}
+EncodedVideoFrame::~EncodedVideoFrame() {}
+
+EncodedAudioFrame::EncodedAudioFrame() {}
+EncodedAudioFrame::~EncodedAudioFrame() {}
+
 PcmAudioFrame::PcmAudioFrame() {}
 PcmAudioFrame::~PcmAudioFrame() {}
 
+// static
+void PacketReceiver::DeletePacket(const uint8* packet) {
+  delete [] packet;
+}
+
 }  // namespace cast
 }  // namespace media