diff -r 000000000000 -r 4f2f89ce4247 WebCore/platform/ThreadGlobalData.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/platform/ThreadGlobalData.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2008 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
+ * 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 "ThreadGlobalData.h"
+
+#include "EventNames.h"
+#include "StringImpl.h"
+#include "ThreadTimers.h"
+#include <wtf/UnusedParam.h>
+#include <wtf/WTFThreadData.h>
+
+#if USE(ICU_UNICODE)
+#include "TextCodecICU.h"
+#endif
+
+#if PLATFORM(MAC)
+#include "TextCodecMac.h"
+#endif
+
+#if ENABLE(WORKERS)
+#include <wtf/Threading.h>
+#include <wtf/ThreadSpecific.h>
+using namespace WTF;
+#endif
+
+namespace WebCore {
+
+#if ENABLE(WORKERS)
+ThreadSpecific<ThreadGlobalData>* ThreadGlobalData::staticData;
+#else
+ThreadGlobalData* ThreadGlobalData::staticData;
+#endif
+
+ThreadGlobalData::ThreadGlobalData()
+    : m_eventNames(new EventNames)
+    , m_threadTimers(new ThreadTimers)
+#ifndef NDEBUG
+    , m_isMainThread(isMainThread())
+#endif
+#if USE(ICU_UNICODE)
+    , m_cachedConverterICU(new ICUConverterWrapper)
+#endif
+#if PLATFORM(MAC)
+    , m_cachedConverterTEC(new TECConverterWrapper)
+#endif
+{
+    // This constructor will have been called on the main thread before being called on
+    // any other thread, and is only called once per thread - this makes this a convenient
+    // point to call methods that internally perform a one-time initialization that is not
+    // threadsafe.
+    wtfThreadData();
+    StringImpl::empty();
+}
+
+ThreadGlobalData::~ThreadGlobalData()
+{
+    destroy();
+}
+
+void ThreadGlobalData::destroy()
+{
+#if PLATFORM(MAC)
+    delete m_cachedConverterTEC;
+    m_cachedConverterTEC = 0;
+#endif
+
+#if USE(ICU_UNICODE)
+    delete m_cachedConverterICU;
+    m_cachedConverterICU = 0;
+#endif
+
+    delete m_eventNames;
+    m_eventNames = 0;
+    delete m_threadTimers;
+    m_threadTimers = 0;
+}
+
+} // namespace WebCore