Update from https://crrev.com/306655

net/quic/quic_bandwidth.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/quic_bandwidth.h"
 
 #include "base/logging.h"
 #include "base/time/time.h"
 
 namespace net {
@@ skipping 78 matching lines @@
 
 QuicBandwidth QuicBandwidth::Add(const QuicBandwidth& delta) const {
   return QuicBandwidth(bits_per_second_ + delta.bits_per_second_);
 }
 
 QuicBandwidth QuicBandwidth::Subtract(const QuicBandwidth& delta) const {
   return QuicBandwidth(bits_per_second_ - delta.bits_per_second_);
 }
 
 QuicBandwidth QuicBandwidth::Scale(float scale_factor) const {
-  return QuicBandwidth(bits_per_second_ * scale_factor);
+  return QuicBandwidth(static_cast<int64>(bits_per_second_ * scale_factor));
 }
 
 QuicTime::Delta QuicBandwidth::TransferTime(QuicByteCount bytes) const {
   if (bits_per_second_ == 0) {
     return QuicTime::Delta::Zero();
   }
   return QuicTime::Delta::FromMicroseconds(
       bytes * 8 * base::Time::kMicrosecondsPerSecond / bits_per_second_);
 }
 
 }  // namespace net