Revert of Fix chromium-style warnings.

webrtc/modules/rtp_rtcp/rtp_rtcp.gypi

 # Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 {
   'targets': [
@@ skipping 90 matching lines @@
         'source/rtp_header_extensions.cc',
         'source/rtp_header_extensions.h',
         'source/rtp_header_parser.cc',
         'source/rtp_packet.cc',
         'source/rtp_packet.h',
         'source/rtp_packet_received.h',
         'source/rtp_packet_to_send.h',
         'source/rtp_receiver_impl.cc',
         'source/rtp_receiver_impl.h',
         'source/rtp_rtcp_config.h',
-        'source/rtp_rtcp_defines_nullimpl.cc',
-        'source/rtp_rtcp_defines_nullimpl.h',
         'source/rtp_rtcp_impl.cc',
         'source/rtp_rtcp_impl.h',
         'source/rtp_sender.cc',
         'source/rtp_sender.h',
         'source/rtp_utility.cc',
         'source/rtp_utility.h',
         'source/ssrc_database.cc',
         'source/ssrc_database.h',
         'source/time_util.cc',
         'source/time_util.h',
@@ skipping 50 matching lines @@
               'defines': [ 'BWE_TEST_LOGGING_COMPILE_TIME_ENABLE=1' ],
             }, {
               'defines': [ 'BWE_TEST_LOGGING_COMPILE_TIME_ENABLE=0' ],
             }],
         ],
       # TODO(jschuh): Bug 1348: fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
   ],
 }