store vertices arrays inline with object

Also unify some of naming (esp. around texCoords)

BUG=skia:6366

Change-Id: I5a6793f029cccf0cd0a2c1d180b259ce4eab526f
Reviewed-on: https://skia-review.googlesource.com/9705
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
7 files changed