modify            934 Source/core/editing/FrameSelection.cpp bool FrameSelection::modify(EAlteration alter, SelectionDirection direction, TextGranularity granularity, EUserTriggered userTriggered)
modify           1045 Source/core/editing/FrameSelection.cpp bool FrameSelection::modify(EAlteration alter, unsigned verticalDistance, VerticalDirection direction, EUserTriggered userTriggered, CursorAlignOnScroll align)
modify            276 Source/core/page/DOMSelection.cpp void DOMSelection::modify(const String& alterString, const String& directionString, const String& granularityString)