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diff --git a/Source/WTF/wtf/win/WorkItemWin.cpp b/Source/WTF/wtf/win/WorkItemWin.cpp
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+/*
+* Copyright (C) 2010, 2015 Apple Inc. All rights reserved.
+*
+* 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.
+*
+* THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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.
+*/
+
+#include "config.h"
+#include "WorkItemWin.h"
+
+#include <Windows.h>
+#include <wtf/Threading.h>
+#include <wtf/WorkQueue.h>
+
+namespace WTF {
+
+WorkItemWin::WorkItemWin(std::function<void()> function, WorkQueue* queue)
+ : m_function(function)
+ , m_queue(queue)
+{
+}
+
+RefPtr<WorkItemWin> WorkItemWin::create(std::function<void()> function, WorkQueue* queue)
+{
+ return adoptRef(new WorkItemWin(function, queue));
+}
+
+WorkItemWin::~WorkItemWin()
+{
+}
+
+HandleWorkItem::HandleWorkItem(HANDLE handle, const std::function<void()>& function, WorkQueue* queue)
+ : WorkItemWin(function, queue)
+ , m_handle(handle)
+ , m_waitHandle(0)
+{
+ ASSERT_ARG(handle, handle);
+}
+
+RefPtr<HandleWorkItem> HandleWorkItem::createByAdoptingHandle(HANDLE handle, const std::function<void()>& function, WorkQueue* queue)
+{
+ return adoptRef(new HandleWorkItem(handle, function, queue));
+}
+
+HandleWorkItem::~HandleWorkItem()
+{
+ ::CloseHandle(m_handle);
+}
+
+} // namespace WTF