IntRect RenderReplaced::selectionRect(bool clipToVisibleContent)
{
    ASSERT(!needsLayout());

    if (!isSelected())
        return IntRect();
    if (!m_inlineBoxWrapper)
        // We're a block-level replaced element.  Just return our own dimensions.
        return absoluteBoundingBoxRect();

    RenderBlock* cb =  containingBlock();
    if (!cb)
        return IntRect();

    RootInlineBox* root = m_inlineBoxWrapper->root();
    IntRect rect(0, root->selectionTop() - yPos(), width(), root->selectionHeight());

    if (clipToVisibleContent)
        computeAbsoluteRepaintRect(rect);
    else {
        int absx, absy;
        absolutePositionForContent(absx, absy);
        rect.move(absx, absy);
    }

    return rect;
}
void RenderContainer::addLineBoxRects(Vector<IntRect>& rects, unsigned start, unsigned end, bool)
{
    if (!m_firstChild && (isInline() || isAnonymousBlock())) {
        int x, y;
        absolutePositionForContent(x, y);
        absoluteRects(rects, x, y);
        return;
    }

    if (!m_firstChild)
        return;

    unsigned offset = start;
    for (RenderObject* child = childAt(start); child && offset < end; child = child->nextSibling(), ++offset) {
        if (child->isText() || child->isInline() || child->isAnonymousBlock()) {
            int x, y;
            child->absolutePositionForContent(x, y);
            child->absoluteRects(rects, x, y);
        }
    }
}