MoveLeft          401 Source/core/editing/VisibleUnits.cpp         bool movingBackward = (direction == MoveLeft && box->direction() == LTR) || (direction == MoveRight && box->direction() == RTL);
MoveLeft          421 Source/core/editing/VisibleUnits.cpp     VisiblePosition leftWordBreak = visualWordPosition(visiblePosition, MoveLeft, skipsSpaceWhenMovingRight);