RTCDataChannelStats added.

webrtc/api/rtcstatscollector.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_API_RTCSTATSCOLLECTOR_H_
 #define WEBRTC_API_RTCSTATSCOLLECTOR_H_
 
 #include <memory>
 #include <vector>
 
+#include "webrtc/api/datachannelinterface.h"
 #include "webrtc/api/stats/rtcstats_objects.h"
 #include "webrtc/api/stats/rtcstatsreport.h"
 #include "webrtc/base/asyncinvoker.h"
 #include "webrtc/base/refcount.h"
 #include "webrtc/base/scoped_ref_ptr.h"
 #include "webrtc/base/timeutils.h"
 
 namespace cricket {
 class Candidate;
 }  // namespace cricket
@@ skipping 51 matching lines @@
   void AddPartialResults_s(rtc::scoped_refptr<RTCStatsReport> partial_report);
   void DeliverCachedReport();
 
   // Produces |RTCCertificateStats|.
   void ProduceCertificateStats_s(
       int64_t timestamp_us, const SessionStats& session_stats,
       RTCStatsReport* report) const;
   void ProduceCertificateStatsFromSSLCertificateAndChain_s(
       int64_t timestamp_us, const rtc::SSLCertificate& certificate,
       RTCStatsReport* report) const;
+  // Produces |RTCDataChannelStats|.
+  void ProduceDataChannelStats_s(
+      int64_t timestamp_us, RTCStatsReport* report) const;
   // Produces |RTCIceCandidatePairStats| and |RTCIceCandidateStats|.
   void ProduceIceCandidateAndPairStats_s(
       int64_t timestamp_us, const SessionStats& session_stats,
       RTCStatsReport* report) const;
   const std::string& ProduceIceCandidateStats_s(
       int64_t timestamp_us, const cricket::Candidate& candidate, bool is_local,
       RTCStatsReport* report) const;
   // Produces |RTCPeerConnectionStats|.
   void ProducePeerConnectionStats_s(
       int64_t timestamp_us, RTCStatsReport* report) const;
@@ skipping 11 matching lines @@
 
   // A timestamp, in microseconds, that is based on a timer that is
   // monotonically increasing. That is, even if the system clock is modified the
   // difference between the timer and this timestamp is how fresh the cached
   // report is.
   int64_t cache_timestamp_us_;
   int64_t cache_lifetime_us_;
   rtc::scoped_refptr<const RTCStatsReport> cached_report_;
 };
 
-// Helper function, exposed for unittests.
-const char* CandidateTypeToRTCIceCandidateType(const std::string& type);
+const char* CandidateTypeToRTCIceCandidateTypeForTesting(
+    const std::string& type);
+const char* DataStateToRTCDataChannelStateForTesting(
+    DataChannelInterface::DataState state);
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_API_RTCSTATSCOLLECTOR_H_