diff -r 000000000000 -r 4f2f89ce4247 JavaScriptCore/wtf/ByteArray.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/JavaScriptCore/wtf/ByteArray.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2009 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. ``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
+ * 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.
+ */
+
+#ifndef ByteArray_h
+#define ByteArray_h
+
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+
+namespace WTF {
+    class ByteArray : public RefCountedBase {
+    public:
+        unsigned length() const { return m_size; }
+
+        void set(unsigned index, double value)
+        {
+            if (index >= m_size)
+                return;
+            if (!(value > 0)) // Clamp NaN to 0
+                value = 0;
+            else if (value > 255)
+                value = 255;
+            m_data[index] = static_cast<unsigned char>(value + 0.5);
+        }
+
+        void set(unsigned index, unsigned char value)
+        {
+            if (index >= m_size)
+                return;
+            m_data[index] = value;
+        }
+
+        bool get(unsigned index, unsigned char& result) const
+        {
+            if (index >= m_size)
+                return false;
+            result = m_data[index];
+            return true;
+        }
+
+        unsigned char get(unsigned index) const
+        {
+            ASSERT(index < m_size);
+            return m_data[index];
+        }
+
+        unsigned char* data() { return m_data; }
+
+        void deref()
+        {
+            if (derefBase()) {
+                // We allocated with new unsigned char[] in create(),
+                // and then used placement new to construct the object.
+                this->~ByteArray();
+                delete[] reinterpret_cast<unsigned char*>(this);
+            }
+        }
+
+        static PassRefPtr<ByteArray> create(size_t size);
+
+    private:
+        ByteArray(size_t size)
+            : m_size(size)
+        {
+        }
+        size_t m_size;
+        unsigned char m_data[sizeof(size_t)];
+    };
+}
+
+#endif