Update from https://crrev.com/314320

net/base/net_util_unittest.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/base/net_util.h"
 
 #include <string.h>
 
 #include <ostream>
 
@@ skipping 895 matching lines @@
 #endif  // OS_MACOSX
 
 #if !defined(OS_MACOSX) && !defined(OS_WIN) && !defined(OS_NACL)
 
 char* CopyInterfaceName(const char* ifname, int ifname_size, char* output) {
   EXPECT_LT(ifname_size, IF_NAMESIZE);
   memcpy(output, ifname, ifname_size);
   return output;
 }
 
-char* GetInterfaceName(unsigned int interface_index, char* ifname) {
+char* GetInterfaceName(int interface_index, char* ifname) {
   return CopyInterfaceName(ifname_em1, arraysize(ifname_em1), ifname);
 }
 
-char* GetInterfaceNameVM(unsigned int interface_index, char* ifname) {
+char* GetInterfaceNameVM(int interface_index, char* ifname) {
   return CopyInterfaceName(ifname_vm, arraysize(ifname_vm), ifname);
 }
 
 TEST(NetUtilTest, GetNetworkListTrimming) {
   IPAddressNumber ipv6_local_address(
       kIPv6LocalAddr, kIPv6LocalAddr + arraysize(kIPv6LocalAddr));
   IPAddressNumber ipv6_address(kIPv6Addr, kIPv6Addr + arraysize(kIPv6Addr));
 
   NetworkInterfaceList results;
   ::base::hash_set<int> online_links;
@@ skipping 558 matching lines @@
 TEST_P(NetUtilNonUniqueNameTest, IsHostnameNonUnique) {
   const NonUniqueNameTestData& test_data = GetParam();
 
   EXPECT_EQ(test_data.is_unique, IsUnique(test_data.hostname));
 }
 
 INSTANTIATE_TEST_CASE_P(, NetUtilNonUniqueNameTest,
                         testing::ValuesIn(kNonUniqueNameTestData));
 
 }  // namespace net