Make lint errors fatal in presubmit and fix files in whitelisted paths

webrtc/modules/remote_bitrate_estimator/test/bwe_test.cc

 /*
  *  Copyright (c) 2013 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 751 matching lines @@
   int64_t max_delay_ms = kMaxQueueingDelayMs;
   int64_t rtt_ms = 2 * kOneWayDelayMs;
 
   // Test also with one way propagation delay = 100ms.
   // rtt_ms = 2 * 100;
   // Test also with bottleneck queue size = 20ms and 1000ms.
   // max_delay_ms = 20;
   // max_delay_ms = 1000;
 
   std::string title("5.6_Long_TCP_Fairness");
-  std::string flow_name(bwe_names[bwe_type] + 'x' + bwe_names[kTcpEstimator]);
+  std::string flow_name = std::string() +
+      bwe_names[bwe_type] + 'x' + bwe_names[kTcpEstimator];
 
   RunFairnessTest(bwe_type, kNumRmcatFlows, kNumTcpFlows, kRunTimeS,
                   kCapacityKbps, max_delay_ms, rtt_ms, kMaxJitterMs, kOffSetsMs,
                   title, flow_name);
 }
 
 // 5.7. RMCAT Flows competing with multiple short TCP Flows.
 void BweTest::RunMultipleShortTcpFairness(
     BandwidthEstimatorType bwe_type,
     std::vector<int> tcp_file_sizes_bytes,
@@ skipping 203 matching lines @@
     tcp_starting_times_ms.push_back(
         static_cast<int64_t>(random.Exponential(1.0f / kMeanMs)));
   }
 
   return tcp_starting_times_ms;
 }
 
 }  // namespace bwe
 }  // namespace testing
 }  // namespace webrtc