Move base to DEPS

base/callback_internal.cc

-// Copyright (c) 2012 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 "base/callback_internal.h"
-
-#include "base/logging.h"
-
-namespace base {
-namespace internal {
-
-void BindStateBase::AddRef() {
-  AtomicRefCountInc(&ref_count_);
-}
-
-void BindStateBase::Release() {
-  if (!AtomicRefCountDec(&ref_count_))
-    destructor_(this);
-}
-
-CallbackBase::CallbackBase(const CallbackBase& c) = default;
-CallbackBase& CallbackBase::operator=(const CallbackBase& c) = default;
-
-void CallbackBase::Reset() {
-  polymorphic_invoke_ = NULL;
-  // NULL the bind_state_ last, since it may be holding the last ref to whatever
-  // object owns us, and we may be deleted after that.
-  bind_state_ = NULL;
-}
-
-bool CallbackBase::Equals(const CallbackBase& other) const {
-  return bind_state_.get() == other.bind_state_.get() &&
-         polymorphic_invoke_ == other.polymorphic_invoke_;
-}
-
-CallbackBase::CallbackBase(BindStateBase* bind_state)
-    : bind_state_(bind_state),
-      polymorphic_invoke_(NULL) {
-  DCHECK(!bind_state_.get() || bind_state_->ref_count_ == 1);
-}
-
-CallbackBase::~CallbackBase() {
-}
-
-}  // namespace internal
-}  // namespace base