Replacing SurfaceReferenceBase and SequenceSurfaceReference with Closures

cc/surfaces/scoped_surface_reference.cc

+// Copyright 2017 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 "cc/surfaces/scoped_surface_reference.h"
+
+namespace cc {
+
+ScopedSurfaceReference::ScopedSurfaceReference(
+    scoped_refptr<const SurfaceReferenceFactory> factory,
+    const SurfaceReference& surface_reference)
+    : ScopedSurfaceReferenceBase(factory),
+      surface_reference_(surface_reference) {}
+
+ScopedSurfaceReference::~ScopedSurfaceReference() {
+  Destroy();
+}
+
+}  // namespace cc