Fix cpplint errors in locations that are already being checked

webrtc/modules/rtp_rtcp/source/rtp_packet_history.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/modules/rtp_rtcp/source/rtp_packet_history.h"
 
 #include <algorithm>
 #include <limits>
+#include <utility>
 
 #include "webrtc/base/checks.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/modules/rtp_rtcp/source/rtp_packet_to_send.h"
 #include "webrtc/system_wrappers/include/clock.h"
 
 namespace webrtc {
 namespace {
 constexpr size_t kMinPacketRequestBytes = 50;
 }  // namespace
@@ skipping 187 matching lines @@
         (stored_size > size) ? (stored_size - size) : (size - stored_size);
     if (diff < min_diff) {
       min_diff = diff;
       best_index = static_cast<int>(i);
     }
   }
   return best_index;
 }
 
 }  // namespace webrtc