rtc_stats: Update code to remove chromium style warnings suppression.

webrtc/stats/test/rtcteststats.h

 /*
  *  Copyright 2016 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.
  */
 
 #ifndef WEBRTC_STATS_TEST_RTCTESTSTATS_H_
 #define WEBRTC_STATS_TEST_RTCTESTSTATS_H_
 
 #include <string>
 #include <vector>
 
 #include "webrtc/api/stats/rtcstats.h"
 
 namespace webrtc {
 
 class RTCTestStats : public RTCStats {
  public:
+  WEBRTC_RTCSTATS_DECL();
+
   RTCTestStats(const std::string& id, int64_t timestamp_us);
-
-  WEBRTC_RTCSTATS_IMPL(RTCStats, RTCTestStats,
-      &m_int32,
-      &m_uint32,
-      &m_int64,
-      &m_uint64,
-      &m_double,
-      &m_string,
-      &m_sequence_int32,
-      &m_sequence_uint32,
-      &m_sequence_int64,
-      &m_sequence_uint64,
-      &m_sequence_double,
-      &m_sequence_string);
+  RTCTestStats(const RTCTestStats& other);
+  ~RTCTestStats() override;
 
   RTCStatsMember<int32_t> m_int32;
   RTCStatsMember<uint32_t> m_uint32;
   RTCStatsMember<int64_t> m_int64;
   RTCStatsMember<uint64_t> m_uint64;
   RTCStatsMember<double> m_double;
   RTCStatsMember<std::string> m_string;
   RTCStatsMember<std::vector<int32_t>> m_sequence_int32;
   RTCStatsMember<std::vector<uint32_t>> m_sequence_uint32;
   RTCStatsMember<std::vector<int64_t>> m_sequence_int64;
   RTCStatsMember<std::vector<uint64_t>> m_sequence_uint64;
   RTCStatsMember<std::vector<double>> m_sequence_double;
   RTCStatsMember<std::vector<std::string>> m_sequence_string;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_STATS_TEST_RTCTESTSTATS_H_