Update SendTimeHistory to store complete PacketInfo, not just send time

webrtc/modules/remote_bitrate_estimator/include/send_time_history.h

 /*
  *  Copyright (c) 2015 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_MODULES_BITRATE_CONTROLLER_SEND_TIME_HISTORY_H_
 #define WEBRTC_MODULES_BITRATE_CONTROLLER_SEND_TIME_HISTORY_H_
 
 #include <map>
 
 #include "webrtc/base/constructormagic.h"
 #include "webrtc/base/basictypes.h"
+#include "webrtc/modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
 
 namespace webrtc {
 
 class SendTimeHistory {
  public:
   explicit SendTimeHistory(int64_t packet_age_limit);
   virtual ~SendTimeHistory();
 
-  void AddAndRemoveOldSendTimes(uint16_t sequence_number, int64_t timestamp);
-  bool GetSendTime(uint16_t sequence_number, int64_t* timestamp, bool remove);
+  void AddAndRemoveOld(const PacketInfo& packet);
+  bool UpdateSendTime(uint16_t sequence_number, int64_t timestamp);
+  // Look up PacketInfo for a sent packet, based on the sequence number, and
+  // populate all fields except for receive_time. The packet parameter must
+  // thus be non-null and have the sequence_number field set.
+  bool GetInfo(PacketInfo* packet, bool remove);
   void Clear();
 
  private:
   void EraseOld(int64_t limit);
   void UpdateOldestSequenceNumber();
 
   const int64_t packet_age_limit_;
   uint16_t oldest_sequence_number_;  // Oldest may not be lowest.
-  std::map<uint16_t, int64_t> history_;
+  std::map<uint16_t, PacketInfo> history_;
 
   DISALLOW_COPY_AND_ASSIGN(SendTimeHistory);
 };
 
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_BITRATE_CONTROLLER_SEND_TIME_HISTORY_H_