Move base to DEPS

base/memory/raw_scoped_refptr_mismatch_checker.h

-// Copyright (c) 2011 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 BASE_MEMORY_RAW_SCOPED_REFPTR_MISMATCH_CHECKER_H_
-#define BASE_MEMORY_RAW_SCOPED_REFPTR_MISMATCH_CHECKER_H_
-
-#include "base/memory/ref_counted.h"
-#include "base/template_util.h"
-#include "base/tuple.h"
-#include "build/build_config.h"
-
-// It is dangerous to post a task with a T* argument where T is a subtype of
-// RefCounted(Base|ThreadSafeBase), since by the time the parameter is used, the
-// object may already have been deleted since it was not held with a
-// scoped_refptr. Example: http://crbug.com/27191
-// The following set of traits are designed to generate a compile error
-// whenever this antipattern is attempted.
-
-namespace base {
-
-// This is a base internal implementation file used by task.h and callback.h.
-// Not for public consumption, so we wrap it in namespace internal.
-namespace internal {
-
-template <typename T>
-struct NeedsScopedRefptrButGetsRawPtr {
-#if defined(OS_WIN)
-  enum {
-    value = base::false_type::value
-  };
-#else
-  enum {
-    // Human readable translation: you needed to be a scoped_refptr if you are a
-    // raw pointer type and are convertible to a RefCounted(Base|ThreadSafeBase)
-    // type.
-    value = (is_pointer<T>::value &&
-             (is_convertible<T, subtle::RefCountedBase*>::value ||
-              is_convertible<T, subtle::RefCountedThreadSafeBase*>::value))
-  };
-#endif
-};
-
-template <typename Params>
-struct ParamsUseScopedRefptrCorrectly {
-  enum { value = 0 };
-};
-
-template <>
-struct ParamsUseScopedRefptrCorrectly<Tuple<>> {
-  enum { value = 1 };
-};
-
-template <typename A>
-struct ParamsUseScopedRefptrCorrectly<Tuple<A>> {
-  enum { value = !NeedsScopedRefptrButGetsRawPtr<A>::value };
-};
-
-template <typename A, typename B>
-struct ParamsUseScopedRefptrCorrectly<Tuple<A, B>> {
-  enum { value = !(NeedsScopedRefptrButGetsRawPtr<A>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<B>::value) };
-};
-
-template <typename A, typename B, typename C>
-struct ParamsUseScopedRefptrCorrectly<Tuple<A, B, C>> {
-  enum { value = !(NeedsScopedRefptrButGetsRawPtr<A>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<B>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<C>::value) };
-};
-
-template <typename A, typename B, typename C, typename D>
-struct ParamsUseScopedRefptrCorrectly<Tuple<A, B, C, D>> {
-  enum { value = !(NeedsScopedRefptrButGetsRawPtr<A>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<B>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<C>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<D>::value) };
-};
-
-template <typename A, typename B, typename C, typename D, typename E>
-struct ParamsUseScopedRefptrCorrectly<Tuple<A, B, C, D, E>> {
-  enum { value = !(NeedsScopedRefptrButGetsRawPtr<A>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<B>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<C>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<D>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<E>::value) };
-};
-
-template <typename A, typename B, typename C, typename D, typename E,
-          typename F>
-struct ParamsUseScopedRefptrCorrectly<Tuple<A, B, C, D, E, F>> {
-  enum { value = !(NeedsScopedRefptrButGetsRawPtr<A>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<B>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<C>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<D>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<E>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<F>::value) };
-};
-
-template <typename A, typename B, typename C, typename D, typename E,
-          typename F, typename G>
-struct ParamsUseScopedRefptrCorrectly<Tuple<A, B, C, D, E, F, G>> {
-  enum { value = !(NeedsScopedRefptrButGetsRawPtr<A>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<B>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<C>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<D>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<E>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<F>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<G>::value) };
-};
-
-template <typename A, typename B, typename C, typename D, typename E,
-          typename F, typename G, typename H>
-struct ParamsUseScopedRefptrCorrectly<Tuple<A, B, C, D, E, F, G, H>> {
-  enum { value = !(NeedsScopedRefptrButGetsRawPtr<A>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<B>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<C>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<D>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<E>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<F>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<G>::value ||
-                   NeedsScopedRefptrButGetsRawPtr<H>::value) };
-};
-
-}  // namespace internal
-
-}  // namespace base
-
-#endif  // BASE_MEMORY_RAW_SCOPED_REFPTR_MISMATCH_CHECKER_H_