cp#1000025: Import casemaps from pptx.

(Ported from: 887bc4dd3e62fe6dd19dc9d1c3ba273a5b21b5ec)

Change-Id: Ia6edae11f491f3b7432052efeca71916c7c999d4
Following cp#1000025

Change-Id: I7d005fdd67e479852e9869332d3976b4a7095c29