Replacing SurfaceReferenceBase and SequenceSurfaceReference with Closures

cc/surfaces/sequence_surface_reference.cc

Index: cc/surfaces/sequence_surface_reference.cc
diff --git a/cc/surfaces/sequence_surface_reference.cc b/cc/surfaces/sequence_surface_reference.cc
deleted file mode 100644
index 61e41b2170b96a8740215c7d27e4722bb2c72c08..0000000000000000000000000000000000000000
--- a/cc/surfaces/sequence_surface_reference.cc
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright 2016 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/sequence_surface_reference.h"
-
-namespace cc {
-
-SequenceSurfaceReference::SequenceSurfaceReference(
-    scoped_refptr<const SurfaceReferenceFactory> factory,
-    const SurfaceSequence& sequence)
-    : SurfaceReferenceBase(factory), sequence_(sequence) {}
-
-SequenceSurfaceReference::~SequenceSurfaceReference() {
-  Destroy();
-}
-
-}  // namespace cc