Call scoped_refptr<T>::get() rather than relying on implicit "operator T*"

net/tools/net_watcher/net_watcher.cc

Index: net/tools/net_watcher/net_watcher.cc
diff --git a/net/tools/net_watcher/net_watcher.cc b/net/tools/net_watcher/net_watcher.cc
index c2a7766a06eede47156c7705f3b636d66b291940..18fd41d99ce80a797fc7adad4b99543299581738 100644
--- a/net/tools/net_watcher/net_watcher.cc
+++ b/net/tools/net_watcher/net_watcher.cc
@@ -171,8 +171,7 @@ G_GNUC_END_IGNORE_DEPRECATIONS
   // Use the network loop as the file loop also.
   scoped_ptr<net::ProxyConfigService> proxy_config_service(
       net::ProxyService::CreateSystemProxyConfigService(
-          network_loop.message_loop_proxy(),
-          &network_loop));
+          network_loop.message_loop_proxy().get(), &network_loop));
 
   // Uses |network_change_notifier|.
   net::NetworkChangeNotifier::AddIPAddressObserver(&net_watcher);