Add a Display and ContextProvider concept to mojom, use to recreate

services/surfaces/display_factory_impl.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 "services/surfaces/display_factory_impl.h"
+
+#include "cc/surfaces/surface_id.h"
+
+namespace surfaces {
+
+DisplayFactoryImpl::DisplayFactoryImpl(
+    cc::SurfaceManager* manager,
+    uint32_t id_namespace,
+    DisplayImpl::Client* client,
+    mojo::InterfaceRequest<mojo::DisplayFactory> request)
+    : id_namespace_(id_namespace),
+      next_local_id_(1u),
+      client_(client),
+      manager_(manager),
+      binding_(this, request.Pass()) {
+}
+
+DisplayFactoryImpl::~DisplayFactoryImpl() {
+}
+
+void DisplayFactoryImpl::Create(
+    mojo::ContextProviderPtr context_provider,
+    mojo::ViewportParameterListenerPtr viewport_parameter_listener,
+    mojo::ResourceReturnerPtr returner,
+    mojo::InterfaceRequest<mojo::Display> display_request) {
+  cc::SurfaceId cc_id(static_cast<uint64_t>(id_namespace_) << 32 |
+                      next_local_id_++);
+  new DisplayImpl(manager_, cc_id, client_, context_provider.Pass(),
+                  viewport_parameter_listener.Pass(), returner.Pass(),
+                  display_request.Pass());
+}
+
+}  // namespace surfaces