Move URL Loader creation to a separate factory object.

mojo/services/network/url_loader_factory_impl.h

+// 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.
+
+#ifndef MOJO_SERVICES_NETWORK_URL_LOADER_FACTORY_IMPL_H_
+#define MOJO_SERVICES_NETWORK_URL_LOADER_FACTORY_IMPL_H_
+
+#include "base/compiler_specific.h"
+#include "mojo/application/public/cpp/app_lifetime_helper.h"
+#include "mojo/services/network/public/interfaces/url_loader_factory.mojom.h"
+#include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h"
+
+namespace mojo {
+class ApplicationConnection;
+class NetworkContext;
+
+class URLLoaderFactoryImpl : public URLLoaderFactory {
+ public:
+  URLLoaderFactoryImpl(ApplicationConnection* connection,
+                       NetworkContext* context,
+                       scoped_ptr<mojo::AppRefCount> app_refcount,
+                       InterfaceRequest<URLLoaderFactory> request);
+  ~URLLoaderFactoryImpl() override;
+
+  // URLLoaderFactory methods:
+  void CreateURLLoader(InterfaceRequest<URLLoader> loader) override;
+
+ private:
+  NetworkContext* context_;
+  scoped_ptr<mojo::AppRefCount> app_refcount_;
+  StrongBinding<URLLoaderFactory> binding_;
+
+  DISALLOW_COPY_AND_ASSIGN(URLLoaderFactoryImpl);
+};
+
+}  // namespace mojo
+
+#endif  // MOJO_SERVICES_NETWORK_URL_LOADER_FACTORY_IMPL_H_