Move base to DEPS

base/synchronization/lock.cc

-// 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.
-
-// This file is used for debugging assertion support.  The Lock class
-// is functionally a wrapper around the LockImpl class, so the only
-// real intelligence in the class is in the debugging logic.
-
-#if !defined(NDEBUG) || defined(DCHECK_ALWAYS_ON)
-
-#include "base/synchronization/lock.h"
-#include "base/logging.h"
-
-namespace base {
-
-Lock::Lock() : lock_() {
-}
-
-Lock::~Lock() {
-  DCHECK(owning_thread_ref_.is_null());
-}
-
-void Lock::AssertAcquired() const {
-  DCHECK(owning_thread_ref_ == PlatformThread::CurrentRef());
-}
-
-void Lock::CheckHeldAndUnmark() {
-  DCHECK(owning_thread_ref_ == PlatformThread::CurrentRef());
-  owning_thread_ref_ = PlatformThreadRef();
-}
-
-void Lock::CheckUnheldAndMark() {
-  DCHECK(owning_thread_ref_.is_null());
-  owning_thread_ref_ = PlatformThread::CurrentRef();
-}
-
-}  // namespace base
-
-#endif  // !NDEBUG || DCHECK_ALWAYS_ON