Change HostResolver::Resolve() to take an std::unique_ptr<Request>* rather than a RequestHandle*

net/test/spawned_test_server/base_test_server.cc

 // Copyright 2013 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/test/spawned_test_server/base_test_server.h"
 
 #include <stdint.h>
 #include <limits>
 #include <string>
 #include <utility>
@@ skipping 334 matching lines @@
       HostResolver::CreateDefaultResolver(NULL));
   HostResolver::RequestInfo info(host_port_pair_);
   // Limit the lookup to IPv4. When started with the default
   // address of kLocalhost, testserver.py only supports IPv4.
   // If a custom hostname is used, it's possible that the test
   // server will listen on both IPv4 and IPv6, so this will
   // still work. The testserver does not support explicit
   // IPv6 literal hostnames.
   info.set_address_family(ADDRESS_FAMILY_IPV4);
   TestCompletionCallback callback;
-  int rv = resolver->Resolve(info,
-                             DEFAULT_PRIORITY,
-                             address_list,
-                             callback.callback(),
-                             NULL,
-                             BoundNetLog());
+  std::unique_ptr<HostResolver::Request> request;
+  int rv = resolver->Resolve(info, DEFAULT_PRIORITY, address_list,
+                             callback.callback(), &request, BoundNetLog());
   if (rv == ERR_IO_PENDING)
     rv = callback.WaitForResult();
   if (rv != OK) {
     LOG(ERROR) << "Failed to resolve hostname: " << host_port_pair_.host();
     return false;
   }
   return true;
 }
 
 uint16_t BaseTestServer::GetPort() {
@@ skipping 298 matching lines @@
 
   return GenerateAdditionalArguments(arguments);
 }
 
 bool BaseTestServer::GenerateAdditionalArguments(
     base::DictionaryValue* arguments) const {
   return true;
 }
 
 }  // namespace net