Fixed issue from CL 56459004

webrtc/modules/remote_bitrate_estimator/test/estimators/nada_unittest.cc

 /*
  *  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.
  */
 
@@ skipping 539 matching lines @@
   const MediaPacket media_packet3(0, 0, 0, 0);
   const MediaPacket media_packet4(0, 0, 0, 0x8000);
   // Only these two packets will be considered.
   nada_receiver_.ReceivePacket(2 * kTimeWindowMs, media_packet3);
   nada_receiver_.ReceivePacket(2 * kTimeWindowMs, media_packet4);
   EXPECT_NEAR(nada_receiver_.RecentPacketLossRatio(), 0.99994f, 0.00001f);
 }
 
 // Packets arriving unordered should not be counted as losted.
 TEST_F(NadaReceiverSideTest, PacketLossUnorderedPackets) {
-  int num_packets = nada_receiver_.GetSetCapacity() / 2;
+  size_t num_packets = nada_receiver_.GetSetCapacity() / 2;
   std::vector<uint16_t> sequence_numbers;
 
-  for (int i = 0; i < num_packets; ++i) {
+  for (size_t i = 0; i < num_packets; ++i) {
     sequence_numbers.push_back(static_cast<uint16_t>(i + 1));
   }
 
   random_shuffle(sequence_numbers.begin(), sequence_numbers.end());
 
-  for (int i = 0; i < num_packets; ++i) {
+  for (size_t i = 0; i < num_packets; ++i) {
     const MediaPacket media_packet(kFlowId, 0, 0, sequence_numbers[i]);
     // Arrival time = 0, all packets will be considered.
     nada_receiver_.ReceivePacket(0, media_packet);
   }
 
   EXPECT_EQ(nada_receiver_.RecentPacketLossRatio(), 0.0f);
 }
 
 TEST_F(FilterTest, MedianConstantArray) {
   MedianFilterConstantArray();
@@ skipping 22 matching lines @@
   for (int i = 1; i < kNumElements; ++i) {
     EXPECT_EQ(
         exp_smoothed[i],
         static_cast<int64_t>(exp_smoothed[i - 1] * (1.0f - kAlpha) + 0.5f));
   }
 }
 
 }  // namespace bwe
 }  // namespace testing
 }  // namespace webrtc