Move StringToLowerASCII to base namespace

net/dns/host_resolver_impl.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/dns/host_resolver_impl.h"
 
 #if defined(OS_WIN)
 #include <Winsock2.h>
 #elif defined(OS_POSIX)
 #include <netdb.h>
@@ skipping 2059 matching lines @@
 
 bool HostResolverImpl::ServeFromHosts(const Key& key,
                                       const RequestInfo& info,
                                       AddressList* addresses) {
   DCHECK(addresses);
   if (!HaveDnsConfig())
     return false;
   addresses->clear();
 
   // HOSTS lookups are case-insensitive.
-  std::string hostname = StringToLowerASCII(key.hostname);
+  std::string hostname = base::StringToLowerASCII(key.hostname);
 
   const DnsHosts& hosts = dns_client_->GetConfig()->hosts;
 
   // If |address_family| is ADDRESS_FAMILY_UNSPECIFIED other implementations
   // (glibc and c-ares) return the first matching line. We have more
   // flexibility, but lose implicit ordering.
   // We prefer IPv6 because "happy eyeballs" will fall back to IPv4 if
   // necessary.
   if (key.address_family == ADDRESS_FAMILY_IPV6 ||
       key.address_family == ADDRESS_FAMILY_UNSPECIFIED) {
@@ skipping 259 matching lines @@
     dns_client_->SetConfig(dns_config);
     num_dns_failures_ = 0;
     if (dns_client_->GetConfig())
       UMA_HISTOGRAM_BOOLEAN("AsyncDNS.DnsClientEnabled", true);
   }
 
   AbortDnsTasks();
 }
 
 }  // namespace net