static String selectMisspellingAsync(Frame* selectedFrame, DocumentMarker& marker)
{
    VisibleSelection selection = selectedFrame->selection()->selection();
    if (!selection.isCaretOrRange())
        return String();

    // Caret and range selections always return valid normalized ranges.
    RefPtr<Range> selectionRange = selection.toNormalizedRange();
    Vector<DocumentMarker*> markers = selectedFrame->document()->markers()->markersInRange(selectionRange.get(), DocumentMarker::Spelling | DocumentMarker::Grammar);
    if (markers.size() != 1)
        return String();
    marker = *markers[0];

    // Cloning a range fails only for invalid ranges.
    RefPtr<Range> markerRange = selectionRange->cloneRange(ASSERT_NO_EXCEPTION);
    markerRange->setStart(markerRange->startContainer(), marker.startOffset());
    markerRange->setEnd(markerRange->endContainer(), marker.endOffset());
    if (selection.isCaret()) {
        selection = VisibleSelection(markerRange.get());
        selectedFrame->selection()->setSelection(selection, WordGranularity);
        selectionRange = selection.toNormalizedRange();
    }

    if (markerRange->text().stripWhiteSpace(&IsWhiteSpaceOrPunctuation) != selectionRange->text().stripWhiteSpace(&IsWhiteSpaceOrPunctuation))
        return String();

    return markerRange->text();
}
static String selectMisspellingAsync(LocalFrame* selectedFrame, DocumentMarker& marker)
{
    VisibleSelection selection = selectedFrame->selection().selection();
    if (!selection.isCaretOrRange())
        return String();

    // Caret and range selections always return valid normalized ranges.
    RefPtrWillBeRawPtr<Range> selectionRange = selection.toNormalizedRange();
    WillBeHeapVector<DocumentMarker*> markers = selectedFrame->document()->markers().markersInRange(selectionRange.get(), DocumentMarker::MisspellingMarkers());
    if (markers.size() != 1)
        return String();
    marker = *markers[0];

    // Cloning a range fails only for invalid ranges.
    RefPtrWillBeRawPtr<Range> markerRange = selectionRange->cloneRange();
    markerRange->setStart(markerRange->startContainer(), marker.startOffset());
    markerRange->setEnd(markerRange->endContainer(), marker.endOffset());

    if (markerRange->text().stripWhiteSpace(&IsWhiteSpaceOrPunctuation) != selectionRange->text().stripWhiteSpace(&IsWhiteSpaceOrPunctuation))
        return String();

    return markerRange->text();
}