static PassRefPtrWillBeRawPtr<Range> expandToParagraphBoundary(PassRefPtrWillBeRawPtr<Range> range) { RefPtrWillBeRawPtr<Range> paragraphRange = range->cloneRange(); setStart(paragraphRange.get(), startOfParagraph(VisiblePosition(range->startPosition()))); setEnd(paragraphRange.get(), endOfParagraph(VisiblePosition(range->endPosition()))); return paragraphRange; }