WebRTCStats added, retaining type info when surfacing WebRTC stats into Blink

third_party/WebKit/Source/modules/peerconnection/RTCStatsResponse.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 24 matching lines @@
 {
 }
 
 RTCLegacyStatsReport* RTCStatsResponse::namedItem(const AtomicString& name)
 {
     if (m_idmap.find(name) != m_idmap.end())
         return m_result[m_idmap.get(name)];
     return nullptr;
 }
 
-size_t RTCStatsResponse::addReport(const String& id, const String& type, double timestamp)
+void RTCStatsResponse::addStats(const WebRTCStats& stats)
 {
-    m_result.append(RTCLegacyStatsReport::create(id, type, timestamp));
-    m_idmap.add(id, m_result.size() - 1);
-    return m_result.size() - 1;
-}
+    m_result.append(RTCLegacyStatsReport::create(stats.id(), stats.typeToString(), stats.timestamp()));
+    m_idmap.add(stats.id(), m_result.size() - 1);
+    RTCLegacyStatsReport* report = m_result[m_result.size() - 1].get();
 
-void RTCStatsResponse::addStatistic(size_t report, const String& name, const String& value)
-{
-    SECURITY_DCHECK(report >= 0 && report < m_result.size());
-    m_result[report]->addStatistic(name, value);
+    for (std::unique_ptr<WebRTCStatsMemberIterator> member(stats.iterator()); !member->isEnd(); member->next()) {
+        report->addStatistic(member->displayName(), member->valueToString());
+    }
 }
 
 DEFINE_TRACE(RTCStatsResponse)
 {
     visitor->trace(m_result);
     RTCStatsResponseBase::trace(visitor);
 }
 
 } // namespace blink