Delete CC.

cc/surfaces/surface_sequence.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_SEQUENCE_H_
-#define CC_SURFACES_SURFACE_SEQUENCE_H_
-
-#include "base/containers/hash_tables.h"
-
-namespace cc {
-
-// A per-surface-namespace sequence number that's used to coordinate
-// dependencies between frames. A sequence number may be satisfied once, and
-// may be depended on once.
-struct SurfaceSequence {
-  SurfaceSequence() : id_namespace(0u), sequence(0u) {}
-  SurfaceSequence(uint32_t id_namespace, uint32_t sequence)
-      : id_namespace(id_namespace), sequence(sequence) {}
-  bool is_null() const { return id_namespace == 0u && sequence == 0u; }
-
-  uint32_t id_namespace;
-  uint32_t sequence;
-};
-
-inline bool operator==(const SurfaceSequence& a, const SurfaceSequence& b) {
-  return a.id_namespace == b.id_namespace && a.sequence == b.sequence;
-}
-
-inline bool operator!=(const SurfaceSequence& a, const SurfaceSequence& b) {
-  return !(a == b);
-}
-
-inline bool operator<(const SurfaceSequence& a, const SurfaceSequence& b) {
-  if (a.id_namespace != b.id_namespace)
-    return a.id_namespace < b.id_namespace;
-  return a.sequence < b.sequence;
-}
-
-}  // namespace cc
-
-namespace BASE_HASH_NAMESPACE {
-template <>
-struct hash<cc::SurfaceSequence> {
-  size_t operator()(cc::SurfaceSequence key) const {
-    return base::HashPair(key.id_namespace, key.sequence);
-  }
-};
-}  // namespace BASE_HASH_NAMESPACE
-
-#endif  // CC_SURFACES_SURFACE_SEQUENCE_H_