willBeModified    945 Source/core/editing/FrameSelection.cpp     willBeModified(alter, direction);
willBeModified   1056 Source/core/editing/FrameSelection.cpp     willBeModified(alter, direction == DirectionUp ? DirectionBackward : DirectionForward);
willBeModified    140 Source/core/editing/FrameSelection.h     void willBeModified(EAlteration, SelectionDirection);