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

content/shell/shell_url_request_context_getter.cc

Index: content/shell/shell_url_request_context_getter.cc
diff --git a/content/shell/shell_url_request_context_getter.cc b/content/shell/shell_url_request_context_getter.cc
index bd73546348acfb58629fdb6f086d8cd2f965a9a9..eabc7621a23d35ceb93a47cf6f6697557a4eb860 100644
--- a/content/shell/shell_url_request_context_getter.cc
+++ b/content/shell/shell_url_request_context_getter.cc
@@ -76,7 +76,7 @@ ShellURLRequestContextGetter::ShellURLRequestContextGetter(
   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree)) {
     proxy_config_service_.reset(
         net::ProxyService::CreateSystemProxyConfigService(
-            io_loop_->message_loop_proxy(), file_loop_));
+            io_loop_->message_loop_proxy().get(), file_loop_));
   }
 }
 
@@ -129,8 +129,8 @@ net::URLRequestContext* ShellURLRequestContextGetter::GetURLRequestContext() {
             net::CACHE_BACKEND_DEFAULT,
             cache_path,
             0,
-            BrowserThread::GetMessageLoopProxyForThread(
-                BrowserThread::CACHE));
+            BrowserThread::GetMessageLoopProxyForThread(BrowserThread::CACHE)
+                .get());
 
     net::HttpNetworkSession::Params network_session_params;
     network_session_params.cert_verifier =