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diff --git a/WebKit/chromium/tests/ArenaTestHelpers.h b/WebKit/chromium/tests/ArenaTestHelpers.h
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index 70936e5..0000000
--- a/WebKit/chromium/tests/ArenaTestHelpers.h
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@@ -1,79 +0,0 @@
-/*
- * Copyright (C) 2010 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:
- *
- * 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 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.
- */
-
-#ifndef ArenaTestHelpers_h
-#define ArenaTestHelpers_h
-
-#include "PODArena.h"
-#include <gtest/gtest.h>
-#include <wtf/NotFound.h>
-#include <wtf/Vector.h>
-
-namespace WebCore {
-namespace ArenaTestHelpers {
-
-// An allocator for the PODArena which tracks the regions which have
-// been allocated.
-class TrackedAllocator : public PODArena::FastMallocAllocator {
-public:
-    static PassRefPtr<TrackedAllocator> create()
-    {
-        return adoptRef(new TrackedAllocator);
-    }
-
-    virtual void* allocate(size_t size)
-    {
-        void* result = PODArena::FastMallocAllocator::allocate(size);
-        m_allocatedRegions.append(result);
-        return result;
-    }
-
-    virtual void free(void* ptr)
-    {
-        size_t slot = m_allocatedRegions.find(ptr);
-        ASSERT_NE(slot, notFound);
-        m_allocatedRegions.remove(slot);
-        PODArena::FastMallocAllocator::free(ptr);
-    }
-
-    bool isEmpty() const
-    {
-        return !numRegions();
-    }
-
-    int numRegions() const
-    {
-        return m_allocatedRegions.size();
-    }
-
-private:
-    TrackedAllocator() { }
-    Vector<void*> m_allocatedRegions;
-};
-
-} // namespace ArenaTestHelpers
-} // namespace WebCore
-
-#endif // ArenaTestHelpers_h