Use single std::vector instance in lieu of heap arrays.
Use single std::vector instance in lieu of heap arrays.

Change-Id: I36820b5c3790998eab922a0fa603ac063972c445

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core