adjacentEnclosingList  349 Source/core/editing/InsertListCommand.cpp     Element* previousList = adjacentEnclosingList(start, start.previous(CannotCrossEditingBoundary), listTag);
adjacentEnclosingList  350 Source/core/editing/InsertListCommand.cpp     Element* nextList = adjacentEnclosingList(start, end.next(CannotCrossEditingBoundary), listTag);