Fixed lint warnings in webrtc/modules/remote_bitrate_estimator

webrtc/modules/remote_bitrate_estimator/test/packet_sender.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_REMOTE_BITRATE_ESTIMATOR_TEST_PACKET_SENDER_H_
 #define WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_TEST_PACKET_SENDER_H_
 
 #include <list>
 #include <limits>
+#include <set>
 #include <string>
 
 #include "webrtc/base/constructormagic.h"
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/modules/include/module.h"
 #include "webrtc/modules/remote_bitrate_estimator/test/bwe.h"
 #include "webrtc/modules/remote_bitrate_estimator/test/bwe_test_framework.h"
 
 namespace webrtc {
 namespace testing {
@@ skipping 116 matching lines @@
   virtual ~TcpSender() {}
 
   void RunFor(int64_t time_ms, Packets* in_out) override;
   int GetFeedbackIntervalMs() const override { return 10; }
 
   uint32_t TargetBitrateKbps() override;
 
  private:
   struct InFlight {
    public:
-    InFlight(const MediaPacket& packet)
+    explicit InFlight(const MediaPacket& packet)
         : sequence_number(packet.header().sequenceNumber),
           time_ms(packet.send_time_ms()) {}
 
     InFlight(uint16_t seq_num, int64_t now_ms)
         : sequence_number(seq_num), time_ms(now_ms) {}
 
     bool operator<(const InFlight& rhs) const {
       return sequence_number < rhs.sequence_number;
     }
 
@@ skipping 22 matching lines @@
   int total_sent_bytes_;
   int send_limit_bytes_;  // Initialized by default as kNoLimit.
   int64_t last_generated_packets_ms_;
   size_t num_recent_sent_packets_;
   uint32_t bitrate_kbps_;
 };
 }  // namespace bwe
 }  // namespace testing
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_TEST_PACKET_SENDER_H_