Address some violations of chromium-style.

webrtc/modules/pacing/packet_router.h

 /*
  *  Copyright (c) 2015 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.
  */
 
@@ skipping 22 matching lines @@
 // PacketRouter keeps track of rtp send modules to support the pacer.
 // In addition, it handles feedback messages, which are sent on a send
 // module if possible (sender report), otherwise on receive module
 // (receiver report). For the latter case, we also keep track of the
 // receive modules.
 class PacketRouter : public PacedSender::PacketSender,
                      public TransportSequenceNumberAllocator,
                      public RemoteBitrateObserver {
  public:
   PacketRouter();
-  virtual ~PacketRouter();
+  ~PacketRouter() override;
 
   // TODO(nisse): Delete, as soon as downstream app is updated.
   RTC_DEPRECATED void AddRtpModule(RtpRtcp* rtp_module) {
     AddReceiveRtpModule(rtp_module);
   }
   RTC_DEPRECATED void RemoveRtpModule(RtpRtcp* rtp_module) {
     RemoveReceiveRtpModule(rtp_module);
   }
   void AddSendRtpModule(RtpRtcp* rtp_module);
   void RemoveSendRtpModule(RtpRtcp* rtp_module);
@@ skipping 41 matching lines @@
   uint32_t last_send_bitrate_bps_ GUARDED_BY(remb_crit_);
   // The last bitrate update.
   uint32_t bitrate_bps_ GUARDED_BY(remb_crit_);
 
   volatile int transport_seq_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(PacketRouter);
 };
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_PACING_PACKET_ROUTER_H_