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

net/url_request/url_request_unittest.h

Index: net/url_request/url_request_unittest.h
===================================================================
--- net/url_request/url_request_unittest.h	(revision 6881)
+++ net/url_request/url_request_unittest.h	(working copy)
@@ -23,7 +23,6 @@
 #include "net/base/net_errors.h"
 #include "net/http/http_network_layer.h"
 #include "net/url_request/url_request.h"
-#include "net/proxy/proxy_resolver_null.h"
 #include "net/proxy/proxy_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "googleurl/src/url_util.h"
@@ -35,15 +34,10 @@
 class TestURLRequestContext : public URLRequestContext {
  public:
   TestURLRequestContext() {
-    proxy_service_ = new net::ProxyService(new net::ProxyResolverNull);
-    http_transaction_factory_ =
-        net::HttpNetworkLayer::CreateFactory(proxy_service_);
+    proxy_service_ = net::ProxyService::CreateNull();
+    http_transaction_factory_.reset(
+        net::HttpNetworkLayer::CreateFactory(proxy_service_));
   }
-
-  virtual ~TestURLRequestContext() {
-    delete http_transaction_factory_;
-    delete proxy_service_;
-  }
 };
 
 class TestDelegate : public URLRequest::Delegate {