Move thread local stuff from base to base/threading and consistently use the...

base/thread_local_storage_posix.cc

-// Copyright (c) 2006-2008 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/thread_local_storage.h"
-
-#include "base/logging.h"
-
-ThreadLocalStorage::Slot::Slot(TLSDestructorFunc destructor)
-    : initialized_(false) {
-  Initialize(destructor);
-}
-
-bool ThreadLocalStorage::Slot::Initialize(TLSDestructorFunc destructor) {
-  DCHECK(!initialized_);
-  int error = pthread_key_create(&key_, destructor);
-  if (error) {
-    NOTREACHED();
-    return false;
-  }
-
-  initialized_ = true;
-  return true;
-}
-
-void ThreadLocalStorage::Slot::Free() {
-  DCHECK(initialized_);
-  int error = pthread_key_delete(key_);
-  if (error)
-    NOTREACHED();
-  initialized_ = false;
-}
-
-void* ThreadLocalStorage::Slot::Get() const {
-  DCHECK(initialized_);
-  return pthread_getspecific(key_);
-}
-
-void ThreadLocalStorage::Slot::Set(void* value) {
-  DCHECK(initialized_);
-  int error = pthread_setspecific(key_, value);
-  if (error)
-    NOTREACHED();
-}