Revert 226305 "Fix code style and gyp files in cast to build cas..."

media/cast/rtp_common/mock_rtp_payload_feedback.cc

Index: media/cast/rtp_common/mock_rtp_payload_feedback.cc
===================================================================
--- media/cast/rtp_common/mock_rtp_payload_feedback.cc	(revision 226456)
+++ media/cast/rtp_common/mock_rtp_payload_feedback.cc	(working copy)
@@ -1,17 +0,0 @@
-// 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/rtp_common/mock_rtp_payload_feedback.h"
-
-namespace media {
-namespace cast {
-
-MockRtpPayloadFeedback::MockRtpPayloadFeedback() {
-}
-
-MockRtpPayloadFeedback::~MockRtpPayloadFeedback() {
-}
-
-}  // namespace cast
-}  // namespace media