FileWrapper[Impl] modifications and actually remove the "Impl" class.

webrtc/common_types.cc

 /*
  *  Copyright (c) 2012 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.
  */
 
 #include "webrtc/common_types.h"
 
 #include <string.h>
 
 namespace webrtc {
 
-int InStream::Rewind() { return -1; }
-
-int OutStream::Rewind() { return -1; }
-
 StreamDataCounters::StreamDataCounters() : first_packet_time_ms(-1) {}
 
 RTPHeaderExtension::RTPHeaderExtension()
     : hasTransmissionTimeOffset(false),
       transmissionTimeOffset(0),
       hasAbsoluteSendTime(false),
       absoluteSendTime(0),
       hasTransportSequenceNumber(false),
       transportSequenceNumber(0),
       hasAudioLevel(false),
       voiceActivity(false),
       audioLevel(0),
       hasVideoRotation(false),
       videoRotation(0) {}
 
 RTPHeader::RTPHeader()
     : markerBit(false),
       payloadType(0),
       sequenceNumber(0),
       timestamp(0),
       ssrc(0),
       numCSRCs(0),
+      arrOfCSRCs(),
       paddingLength(0),
       headerLength(0),
       payload_type_frequency(0),
-      extension() {
-  memset(&arrOfCSRCs, 0, sizeof(arrOfCSRCs));
-}
+      extension() {}
 
 }  // namespace webrtc