SkLiteDL, very nearly the rest

    fix saveLayer bounds
    all the misc calls
    a bit of refactoring

just drawVertices and drawPatch to go, plus some todos and likely bug fixes

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2226563002

Review-Url: https://codereview.chromium.org/2226563002
3 files changed