Move files in wtf/ to platform/wtf/ (Part 7).

third_party/WebKit/Source/wtf/Threading.h

-/*
- * Copyright (C) 2007, 2008, 2010 Apple Inc. All rights reserved.
- * Copyright (C) 2007 Justin Haygood (jhaygood@reaktix.com)
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
+// Copyright 2017 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 Threading_h
-#define Threading_h
+#include "platform/wtf/Threading.h"
 
-#include "wtf/Atomics.h"
-#include "wtf/TypeTraits.h"
-#include "wtf/WTFExport.h"
-#include <stdint.h>
-
-namespace WTF {
-
-#if OS(WIN)
-typedef uint32_t ThreadIdentifier;
-#else
-typedef intptr_t ThreadIdentifier;
-#endif
-
-namespace internal {
-WTF_EXPORT ThreadIdentifier currentThreadSyscall();
-}  // namespace internal
-
-// Initializes global state required by |currentThread|.
-// Needs to be called once during program execution, before |currentThread|.
-WTF_EXPORT void initializeCurrentThread();
-
-WTF_EXPORT ThreadIdentifier currentThread();
-
-#if DCHECK_IS_ON()
-WTF_EXPORT bool isBeforeThreadCreated();
-WTF_EXPORT void willCreateThread();
-#endif
-
-}  // namespace WTF
-
-using WTF::ThreadIdentifier;
-using WTF::currentThread;
-
-#endif  // Threading_h
+// The contents of this header was moved to platform/wtf as part of
+// WTF migration project. See the following post for details:
+// https://groups.google.com/a/chromium.org/d/msg/blink-dev/tLdAZCTlcAA/bYXVT8gYCAAJ