Shift URLRequestContextStorage over to taking scoped_ptrs.

net/websockets/websocket_test_util.cc

Index: net/websockets/websocket_test_util.cc
diff --git a/net/websockets/websocket_test_util.cc b/net/websockets/websocket_test_util.cc
index 1df055286653dc88f50c6be9773da5c370b6ee23..fd5421a59b3ffaf3d8775a980cdc702839e2569c 100644
--- a/net/websockets/websocket_test_util.cc
+++ b/net/websockets/websocket_test_util.cc
@@ -164,7 +164,7 @@ void WebSocketTestURLRequestContextHost::AddSSLSocketDataProvider(
 void WebSocketTestURLRequestContextHost::SetProxyConfig(
     const std::string& proxy_rules) {
   DCHECK(!url_request_context_initialized_);
-  proxy_service_.reset(ProxyService::CreateFixed(proxy_rules));
+  proxy_service_ = ProxyService::CreateFixed(proxy_rules);
   url_request_context_.set_proxy_service(proxy_service_.get());
 }