A bit cleaner way to measure time segment.
A bit cleaner way to measure time segment.

Change-Id: I999baaa3acba5513a148542fa28f7ae43dd7ee4f

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