Update from https://crrev.com/306655

net/quic/crypto/crypto_framer.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/crypto/crypto_framer.h"
 
 #include "net/quic/crypto/crypto_protocol.h"
 #include "net/quic/quic_data_reader.h"
 #include "net/quic/quic_data_writer.h"
 
@@ skipping 94 matching lines @@
   if (num_entries > kMaxEntries) {
     return nullptr;
   }
 
 
   QuicDataWriter writer(len);
   if (!writer.WriteUInt32(message.tag())) {
     DCHECK(false) << "Failed to write message tag.";
     return nullptr;
   }
-  if (!writer.WriteUInt16(num_entries)) {
+  if (!writer.WriteUInt16(static_cast<uint16>(num_entries))) {
     DCHECK(false) << "Failed to write size.";
     return nullptr;
   }
   if (!writer.WriteUInt16(0)) {
     DCHECK(false) << "Failed to write padding.";
     return nullptr;
   }
 
   uint32 end_offset = 0;
   // Tags and offsets
@@ skipping 154 matching lines @@
   }
   *end_offset += pad_length;
   if (!writer->WriteUInt32(*end_offset)) {
     DCHECK(false) << "Failed to write end offset.";
     return false;
   }
   return true;
 }
 
 }  // namespace net