Move URL Loader creation to a separate factory object.

mojo/services/network/network_service_delegate.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/services/network/network_service_delegate.h"
 
 #include "base/at_exit.h"
 #include "base/base_paths.h"
 #include "base/files/file_path.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "mojo/application/public/cpp/application_connection.h"
+#include "mojo/services/network/network_service_impl.h"
+#include "mojo/services/network/url_loader_factory_impl.h"
 
 NetworkServiceDelegate::NetworkServiceDelegate() : app_(nullptr) {}
 
 NetworkServiceDelegate::~NetworkServiceDelegate() {}
 
 void NetworkServiceDelegate::Initialize(mojo::ApplicationImpl* app) {
   app_ = app;
   base::FilePath base_path;
   CHECK(PathService::Get(base::DIR_TEMP, &base_path));
   base_path = base_path.Append(FILE_PATH_LITERAL("network_service"));
   context_.reset(new mojo::NetworkContext(base_path));
 }
 
 bool NetworkServiceDelegate::ConfigureIncomingConnection(
     mojo::ApplicationConnection* connection) {
   DCHECK(context_);
-  connection->AddService(this);
+  connection->AddService<mojo::NetworkService>(this);
+  connection->AddService<mojo::URLLoaderFactory>(this);
   return true;
 }
 
 void NetworkServiceDelegate::Quit() {
   // Destroy the NetworkContext now as it requires MessageLoop::current() upon
   // destruction and it is the last moment we know for sure that it is
   // running.
   context_.reset();
 }
 
 void NetworkServiceDelegate::Create(
     mojo::ApplicationConnection* connection,
     mojo::InterfaceRequest<mojo::NetworkService> request) {
   new mojo::NetworkServiceImpl(
       connection,
       context_.get(),
       app_->app_lifetime_helper()->CreateAppRefCount(),
       request.Pass());
 }
+
+void NetworkServiceDelegate::Create(
+    mojo::ApplicationConnection* connection,
+    mojo::InterfaceRequest<mojo::URLLoaderFactory> request) {
+  new mojo::URLLoaderFactoryImpl(
+      connection,
+      context_.get(),
+      app_->app_lifetime_helper()->CreateAppRefCount(),
+      request.Pass());
+}