rtc_stats: Update code to remove chromium style warnings suppression.

webrtc/api/rtcstatscollector_unittest.cc

 /*
  *  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.
  */
 
@@ skipping 122 matching lines @@
   std::unique_ptr<cricket::ChannelManager> channel_manager_;
   std::unique_ptr<webrtc::MediaControllerInterface> media_controller_;
   MockWebRtcSession session_;
   MockPeerConnection pc_;
 
   std::vector<rtc::scoped_refptr<DataChannel>> data_channels_;
 };
 
 class RTCTestStats : public RTCStats {
  public:
+  WEBRTC_RTCSTATS_DECL();
+
   RTCTestStats(const std::string& id, int64_t timestamp_us)
       : RTCStats(id, timestamp_us),
         dummy_stat("dummyStat") {}
 
-  WEBRTC_RTCSTATS_IMPL(RTCStats, RTCTestStats,
-      &dummy_stat);
-
   RTCStatsMember<int32_t> dummy_stat;
 };
 
-const char RTCTestStats::kType[] = "test-stats";
+WEBRTC_RTCSTATS_IMPL(RTCTestStats, RTCStats, "test-stats",
+    &dummy_stat);
 
 // Overrides the stats collection to verify thread usage and that the resulting
 // partial reports are merged.
 class FakeRTCStatsCollector : public RTCStatsCollector,
                               public RTCStatsCollectorCallback {
  public:
   static rtc::scoped_refptr<FakeRTCStatsCollector> Create(
       PeerConnection* pc,
       int64_t cache_lifetime_us) {
     return rtc::scoped_refptr<FakeRTCStatsCollector>(
@@ skipping 429 matching lines @@
   rtc::scoped_refptr<FakeRTCStatsCollector> collector_;
 };
 
 TEST_F(RTCStatsCollectorTestWithFakeCollector, ThreadUsageAndResultsMerging) {
   collector_->VerifyThreadUsageAndResultsMerging();
 }
 
 }  // namespace
 
 }  // namespace webrtc