Use automatic memory management for URLRequestContext's members....

net/http/http_network_layer_unittest.cc

Index: net/http/http_network_layer_unittest.cc
===================================================================
--- net/http/http_network_layer_unittest.cc	(revision 6881)
+++ net/http/http_network_layer_unittest.cc	(working copy)
@@ -5,7 +5,6 @@
 #include "net/base/scoped_host_mapper.h"
 #include "net/http/http_network_layer.h"
 #include "net/http/http_transaction_unittest.h"
-#include "net/proxy/proxy_resolver_null.h"
 #include "net/proxy/proxy_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
@@ -22,15 +21,12 @@
 };
 
 TEST_F(HttpNetworkLayerTest, CreateAndDestroy) {
-  net::ProxyService proxy_service(new net::ProxyResolverNull);
-  net::HttpNetworkLayer factory(&proxy_service);
-
+  net::HttpNetworkLayer factory(net::ProxyService::CreateNull());
   scoped_ptr<net::HttpTransaction> trans(factory.CreateTransaction());
 }
 
 TEST_F(HttpNetworkLayerTest, Suspend) {
-  net::ProxyService proxy_service(new net::ProxyResolverNull);
-  net::HttpNetworkLayer factory(&proxy_service);
+  net::HttpNetworkLayer factory(net::ProxyService::CreateNull());
 
   scoped_ptr<net::HttpTransaction> trans(factory.CreateTransaction());
   trans.reset();
@@ -46,8 +42,7 @@
 }
 
 TEST_F(HttpNetworkLayerTest, GoogleGET) {
-  net::ProxyService proxy_service(new net::ProxyResolverNull);
-  net::HttpNetworkLayer factory(&proxy_service);
+  net::HttpNetworkLayer factory(net::ProxyService::CreateNull());
 
   TestCompletionCallback callback;