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diff --git a/webkit/api/public/WebVector.h b/webkit/api/public/WebVector.h
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+/*
+ * Copyright (C) 2009 Google 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:
+ * 
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER 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 WebVector_h
+#define WebVector_h
+
+#include <utility>
+
+#include "WebCommon.h"
+
+namespace WebKit {
+
+    // A simple vector class.
+    //
+    // Sample usage:
+    //
+    //   void Foo(WebVector<int>& result)
+    //   {
+    //       WebVector<int> data(10);
+    //       for (size_t i = 0; i < data.size(); ++i)
+    //           data[i] = ...
+    //       result.swap(data);
+    //   }
+    //
+    // It is also possible to assign from other types of random access
+    // containers:
+    // 
+    //   void Foo(const std::vector<std::string>& input)
+    //   {
+    //       WebVector<WebCString> cstrings = input;
+    //       ...    
+    //   }
+    //
+    template <typename T>
+    class WebVector {
+    public:
+        typedef T ValueType;
+
+        ~WebVector()
+        {
+            destroy();
+        }
+
+        explicit WebVector(size_t size = 0)
+        {
+            initialize(size);
+        }
+
+        template <typename C>
+        WebVector(const C& other)
+        {
+            initializeFrom(other.size() ? &other[0] : 0, other.size());
+        }
+
+        template <typename C>
+        WebVector<T>& operator=(const C& other)
+        {
+            if (this != reinterpret_cast<const WebVector<T>*>(&other))
+                assign(other);
+            return *this;
+        }
+        
+        template <typename C>
+        void assign(const C& other)
+        {
+            assign(other.size() ? &other[0] : 0, other.size());
+        }
+        
+        template <typename U>
+        void assign(const U* values, size_t size)
+        {
+            destroy();
+            initializeFrom(values, size);
+        }
+
+        size_t size() const { return m_size; }
+
+        T& operator[](size_t i) { return m_ptr[i]; }
+        const T& operator[](size_t i) const { return m_ptr[i]; }
+
+        T* data() { return m_ptr; }
+        const T* data() const { return m_ptr; }
+
+        void swap(WebVector<T>& other)
+        {
+            std::swap(m_ptr, other.m_ptr);
+            std::swap(m_size, other.m_size);
+        }
+
+    private:
+        void initialize(size_t size)
+        {
+            m_size = size;
+            if (!m_size)
+                m_ptr = 0;
+            else {
+                m_ptr = static_cast<T*>(::operator new(sizeof(T) * m_size));
+                for (size_t i = 0; i < m_size; ++i)
+                    new (&m_ptr[i]) T();
+            }
+        }
+
+        template <typename U>
+        void initializeFrom(const U* values, size_t size)
+        {
+            m_size = size;
+            if (!m_size)
+                m_ptr = 0;
+            else {
+                m_ptr = static_cast<T*>(::operator new(sizeof(T) * m_size));
+                for (size_t i = 0; i < m_size; ++i)
+                    new (&m_ptr[i]) T(values[i]);
+            }
+        }
+        
+        void destroy()
+        {
+            for (size_t i = 0; i < m_size; ++i)
+                m_ptr[i].~T();
+            ::operator delete(m_ptr);
+        }
+
+        T* m_ptr;
+        size_t m_size;
+    };
+
+}  // namespace WebKit
+
+#endif