Fix bug when the BWE times out due to no incoming packets.

webrtc/modules/remote_bitrate_estimator/tools/bwe_rtp.cc

 /*
  *  Copyright (c) 2014 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 99 matching lines @@
     return false;
   }
 
   // Setup the RTP header parser and the bitrate estimator.
   *parser = webrtc::RtpHeaderParser::Create();
   (*parser)->RegisterRtpHeaderExtension(extension, flags::ExtensionId());
   if (estimator) {
     switch (extension) {
       case webrtc::kRtpExtensionAbsoluteSendTime: {
         *estimator =
-            new webrtc::RemoteBitrateEstimatorAbsSendTime(observer, clock);
+            new webrtc::RemoteBitrateEstimatorAbsSendTime(observer);
           *estimator_used = "AbsoluteSendTimeRemoteBitrateEstimator";
           break;
         }
       case webrtc::kRtpExtensionTransmissionTimeOffset: {
         *estimator =
             new webrtc::RemoteBitrateEstimatorSingleStream(observer, clock);
           *estimator_used = "RemoteBitrateEstimator";
           break;
         }
       default:
         assert(false);
     }
   }
   return true;
 }