make ProxyService::CreateSystemProxyConfigService return scoped_ptrs NOT FOR REVIEW

chromecast/browser/url_request_context_factory.cc

Index: chromecast/browser/url_request_context_factory.cc
diff --git a/chromecast/browser/url_request_context_factory.cc b/chromecast/browser/url_request_context_factory.cc
index 693a220f3bc0bace31141e6f44d88ff0d73362f9..ab29516a2427d9d40e4f4ecc9cc2fb8a73076830 100644
--- a/chromecast/browser/url_request_context_factory.cc
+++ b/chromecast/browser/url_request_context_factory.cc
@@ -152,11 +152,11 @@ void URLRequestContextFactory::InitializeOnUIThread(net::NetLog* net_log) {
 
   // Proxy config service should be initialized in UI thread, since
   // ProxyConfigServiceDelegate on Android expects UI thread.
-  proxy_config_service_.reset(net::ProxyService::CreateSystemProxyConfigService(
+  proxy_config_service_ = net::ProxyService::CreateSystemProxyConfigService(
       content::BrowserThread::GetMessageLoopProxyForThread(
           content::BrowserThread::IO),
       content::BrowserThread::GetMessageLoopProxyForThread(
-          content::BrowserThread::FILE)));
+          content::BrowserThread::FILE));
 
   net_log_ = net_log;
 }
@@ -216,8 +216,8 @@ void URLRequestContextFactory::InitializeSystemContextDependencies() {
 
   http_server_properties_.reset(new net::HttpServerPropertiesImpl);
 
-  proxy_service_.reset(net::ProxyService::CreateUsingSystemProxyResolver(
-      proxy_config_service_.release(), 0, NULL));
+  proxy_service_ = net::ProxyService::CreateUsingSystemProxyResolver(
+      proxy_config_service_.release(), 0, NULL);
   system_dependencies_initialized_ = true;
 }