Mozart: Rename scene graph classes.

services/gfx/compositor/graph/resources.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/gfx/compositor/graph/resources.h"
+
+#include "base/logging.h"
+
+namespace compositor {
+
+Resource::Resource() {}
+
+Resource::~Resource() {}
+
+SceneResource::SceneResource(
+    const mojo::gfx::composition::SceneToken& scene_token,
+    const base::WeakPtr<SceneDef>& referenced_scene)
+    : scene_token_(scene_token), referenced_scene_(referenced_scene) {}
+
+SceneResource::~SceneResource() {}
+
+scoped_refptr<const SceneResource> SceneResource::Unlink() const {
+  return new SceneResource(scene_token_, base::WeakPtr<SceneDef>());
+}
+
+Resource::Type SceneResource::type() const {
+  return Type::kScene;
+}
+
+ImageResource::ImageResource(const scoped_refptr<RenderImage>& image)
+    : image_(image) {
+  DCHECK(image);
+}
+
+ImageResource::~ImageResource() {}
+
+Resource::Type ImageResource::type() const {
+  return Type::kImage;
+}
+
+}  // namespace compositor