rtc_stats: Update code to remove chromium style warnings suppression.

webrtc/stats/rtcstats_objects.cc

Index: webrtc/stats/rtcstats_objects.cc
diff --git a/webrtc/stats/rtcstats_objects.cc b/webrtc/stats/rtcstats_objects.cc
index fbd16ed39daddfc4a7e0c190f01bd6549091f9c8..b90941a5c00b48e79148fd50dc208e2755d9f711 100644
--- a/webrtc/stats/rtcstats_objects.cc
+++ b/webrtc/stats/rtcstats_objects.cc
@@ -12,7 +12,11 @@
 
 namespace webrtc {
 
-const char RTCCertificateStats::kType[] = "certificate";
+WEBRTC_RTCSTATS_IMPL(RTCCertificateStats, RTCStats, "certificate",
+    &fingerprint,
+    &fingerprint_algorithm,
+    &base64_certificate,
+    &issuer_certificate_id);
 
 RTCCertificateStats::RTCCertificateStats(
     const std::string& id, int64_t timestamp_us)
@@ -28,7 +32,21 @@ RTCCertificateStats::RTCCertificateStats(
       issuer_certificate_id("issuerCertificateId") {
 }
 
-const char RTCPeerConnectionStats::kType[] = "peer-connection";
+RTCCertificateStats::RTCCertificateStats(
+    const RTCCertificateStats& other)
+    : RTCStats(other.id(), other.timestamp_us()),
+      fingerprint(other.fingerprint),
+      fingerprint_algorithm(other.fingerprint_algorithm),
+      base64_certificate(other.base64_certificate),
+      issuer_certificate_id(other.issuer_certificate_id) {
+}
+
+RTCCertificateStats::~RTCCertificateStats() {
+}
+
+WEBRTC_RTCSTATS_IMPL(RTCPeerConnectionStats, RTCStats, "peer-connection",
+    &data_channels_opened,
+    &data_channels_closed);
 
 RTCPeerConnectionStats::RTCPeerConnectionStats(
     const std::string& id, int64_t timestamp_us)
@@ -42,4 +60,14 @@ RTCPeerConnectionStats::RTCPeerConnectionStats(
       data_channels_closed("dataChannelsClosed") {
 }
 
+RTCPeerConnectionStats::RTCPeerConnectionStats(
+    const RTCPeerConnectionStats& other)
+    : RTCStats(other.id(), other.timestamp_us()),
+      data_channels_opened(other.data_channels_opened),
+      data_channels_closed(other.data_channels_closed) {
+}
+
+RTCPeerConnectionStats::~RTCPeerConnectionStats() {
+}
+
 }  // namespace webrtc