Shift URLRequestContextStorage over to taking scoped_ptrs.

device/test/usb_test_gadget_impl.cc

Index: device/test/usb_test_gadget_impl.cc
diff --git a/device/test/usb_test_gadget_impl.cc b/device/test/usb_test_gadget_impl.cc
index 0d88d57661d916707be5bc362f856d7c8dbff602..df85756207276754aa685a6b461f1459d21b4a31 100644
--- a/device/test/usb_test_gadget_impl.cc
+++ b/device/test/usb_test_gadget_impl.cc
@@ -145,8 +145,7 @@ class URLRequestContextGetter : public net::URLRequestContextGetter {
   net::URLRequestContext* GetURLRequestContext() override {
     if (!context_) {
       net::URLRequestContextBuilder context_builder;
-      context_builder.set_proxy_service(
-          make_scoped_ptr(net::ProxyService::CreateDirect()));
+      context_builder.set_proxy_service(net::ProxyService::CreateDirect());
       context_ = context_builder.Build().Pass();
     }
     return context_.get();