[Webkit-unassigned] [Bug 103772] Teach OwnPtr and RefPtr to understand Arena'd objects

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=103772





--- Comment #11 from Eric Seidel <eric at webkit.org>  2012-12-01 16:52:08 PST ---
RenderObject::RenderObject(Node* node)
    : CachedImageClient()
    , m_style(0)
    , m_node(node)
{
...
    ASSERT(node);
}

RenderWidget is again however lame:

    // Grab the arena from node()->document()->renderArena() before clearing the node pointer.
    // Clear the node before deref-ing, as this may be deleted when deref is called.
    RenderArena* arena = renderArena();
    setNode(0);
    deref(arena);

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