Mojo: re-org public/utility and public/environment

mojo/public/environment/standalone/buffer_tls.cc

-// 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.
-
-#include "mojo/public/environment/buffer_tls.h"
-
-#include "mojo/public/environment/standalone/buffer_tls_setup.h"
-#include "mojo/public/utility/thread_local.h"
-
-namespace mojo {
-namespace internal {
-
-static ThreadLocalPlatform::SlotType s_slot;
-
-void SetUpCurrentBuffer() {
-  ThreadLocalPlatform::AllocateSlot(&s_slot);
-}
-
-void TearDownCurrentBuffer() {
-  ThreadLocalPlatform::FreeSlot(s_slot);
-}
-
-Buffer* GetCurrentBuffer() {
-  return static_cast<Buffer*>(ThreadLocalPlatform::GetValueFromSlot(s_slot));
-}
-
-Buffer* SetCurrentBuffer(Buffer* buf) {
-  Buffer* old_buf = GetCurrentBuffer();
-  ThreadLocalPlatform::SetValueInSlot(s_slot, buf);
-  return old_buf;
-}
-
-}  // namespace internal
-}  // namespace mojo