Revert of Cast:Adding cast_transport_config and cleaning up

media/cast/transport/cast_transport_config.cc

-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "media/cast/transport/cast_transport_config.h"
-
-namespace media {
-namespace cast {
-namespace transport {
-
-namespace {
-  const int kDefaultRtpHistoryMs = 1000;
-  const int kDefaultRtpMaxDelayMs = 100;
-}  // namespace
-
-CastTransportConfig::CastTransportConfig()
-    : sender_ssrc(0),
-      rtp_history_ms(kDefaultRtpHistoryMs),
-      rtp_max_delay_ms(kDefaultRtpMaxDelayMs),
-      rtp_payload_type(0),
-      frequency(0),
-      channels(0),
-      aes_key (""),
-      aes_iv_mask(0) {}
-
-CastTransportConfig::~CastTransportConfig() {}
-
-EncodedVideoFrame::EncodedVideoFrame() {}
-EncodedVideoFrame::~EncodedVideoFrame() {}
-
-EncodedAudioFrame::EncodedAudioFrame() {}
-EncodedAudioFrame::~EncodedAudioFrame() {}
-
-// static
-void PacketReceiver::DeletePacket(const uint8* packet) {
-  delete [] packet;
-}
-
-}  // namespace transport
-}  // namespace cast
-}  // namespace media