[net] Change factory methods for HostResolver and HostCache to return a scoped_ptr

net/url_request/url_request_test_util.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/url_request/url_request_test_util.h"
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/threading/thread.h"
@@ skipping 43 matching lines @@
 
 TestURLRequestContext::~TestURLRequestContext() {
   DCHECK(initialized_);
 }
 
 void TestURLRequestContext::Init() {
   DCHECK(!initialized_);
   initialized_ = true;
 
   if (!host_resolver())
-    context_storage_.set_host_resolver(new net::MockCachingHostResolver());
+    context_storage_.set_host_resolver(
+        scoped_ptr<net::HostResolver>(new net::MockCachingHostResolver()));
   if (!proxy_service())
     context_storage_.set_proxy_service(net::ProxyService::CreateDirect());
   if (!cert_verifier())
     context_storage_.set_cert_verifier(net::CertVerifier::CreateDefault());
   if (!ftp_transaction_factory()) {
 #if !defined(DISABLE_FTP_SUPPORT)
     context_storage_.set_ftp_transaction_factory(
         new net::FtpNetworkLayer(host_resolver()));
 #else
     context_storage_.set_ftp_transaction_factory(NULL);
@@ skipping 475 matching lines @@
 
 net::URLRequestJob* TestJobInterceptor::MaybeInterceptResponse(
       net::URLRequest* request,
       net::NetworkDelegate* network_delegate) const {
   return NULL;
 }
 
 void TestJobInterceptor::set_main_intercept_job(net::URLRequestJob* job) {
   main_intercept_job_ = job;
 }