Delete CC.

cc/surfaces/surface_id.h

-// Copyright 2014 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 CC_SURFACES_SURFACE_ID_H_
-#define CC_SURFACES_SURFACE_ID_H_
-
-#include "base/containers/hash_tables.h"
-
-namespace cc {
-
-struct SurfaceId {
-  SurfaceId() : id(0) {}
-  explicit SurfaceId(uint64_t id) : id(id) {}
-
-  bool is_null() const { return id == 0; }
-
-  uint64_t id;
-};
-
-inline bool operator==(const SurfaceId& a, const SurfaceId& b) {
-  return a.id == b.id;
-}
-
-inline bool operator!=(const SurfaceId& a, const SurfaceId& b) {
-  return !(a == b);
-}
-
-inline bool operator<(const SurfaceId& a, const SurfaceId& b) {
-  return a.id < b.id;
-}
-
-}  // namespace cc
-
-namespace BASE_HASH_NAMESPACE {
-template <>
-struct hash<cc::SurfaceId> {
-  size_t operator()(cc::SurfaceId key) const {
-    return hash<uint64_t>()(key.id);
-  }
-};
-}  // namespace BASE_HASH_NAMESPACE
-
-#endif  // CC_SURFACES_SURFACE_ID_H_