RTCOutboundRTPStreamStats added (re-land)

webrtc/api/stats/rtcstatsreport.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.
  */
 
@@ skipping 18 matching lines @@
   typedef std::map<std::string, std::unique_ptr<const RTCStats>> StatsMap;
 
   class ConstIterator {
    public:
     ConstIterator(const ConstIterator&& other);
     ~ConstIterator();
 
     ConstIterator& operator++();
     ConstIterator& operator++(int);
     const RTCStats& operator*() const;
+    const RTCStats* operator->() const;
     bool operator==(const ConstIterator& other) const;
     bool operator!=(const ConstIterator& other) const;
 
    private:
     friend class RTCStatsReport;
     ConstIterator(const rtc::scoped_refptr<const RTCStatsReport>& report,
                   StatsMap::const_iterator it);
 
     // Reference report to make sure it is kept alive.
     rtc::scoped_refptr<const RTCStatsReport> report_;
     StatsMap::const_iterator it_;
   };
 
-  static rtc::scoped_refptr<RTCStatsReport> Create();
+  // TODO(hbos): Remove "= 0" once Chromium unittest has been updated to call
+  // with a parameter. crbug.com/627816
+  static rtc::scoped_refptr<RTCStatsReport> Create(uint64_t timestamp_us = 0);
 
-  RTCStatsReport();
+  explicit RTCStatsReport(uint64_t timestamp_us);
   RTCStatsReport(const RTCStatsReport& other) = delete;
 
+  uint64_t timestamp_us() const { return timestamp_us_; }
   bool AddStats(std::unique_ptr<const RTCStats> stats);
   const RTCStats* Get(const std::string& id) const;
   size_t size() const { return stats_.size(); }
 
   // Takes ownership of all the stats in |victim|, leaving it empty.
   void TakeMembersFrom(rtc::scoped_refptr<RTCStatsReport> victim);
 
   // Stats iterators. Stats are ordered lexicographically on |RTCStats::id|.
   ConstIterator begin() const;
   ConstIterator end() const;
 
   // Gets the subset of stats that are of type |T|, where |T| is any class
   // descending from |RTCStats|.
   template<typename T>
   std::vector<const T*> GetStatsOfType() const {
     std::vector<const T*> stats_of_type;
     for (const RTCStats& stats : *this) {
       if (stats.type() == T::kType)
         stats_of_type.push_back(&stats.cast_to<const T>());
     }
     return stats_of_type;
   }
 
+  // Creates a human readable string representation of the report, listing all
+  // of its stats objects.
+  std::string ToString() const;
+
   friend class rtc::RefCountedObject<RTCStatsReport>;
 
  private:
   ~RTCStatsReport() override;
 
+  uint64_t timestamp_us_;
   StatsMap stats_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_API_STATS_RTCSTATSREPORT_H_