GitLab

Adds a new Pepper-free graphic interface SkiaGraphics, which is backed
by an SkSurface, and accepts SkBitmap as input.

SkiaGraphics interface will be used for the non-Pepper PDF plugin.

Bug: 1099020
Change-Id: Ib8b6f9173fd70102a86358b0dfe640a0e516a7de
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2559537
Commit-Queue: Hui Yingst <nigi@chromium.org>
Reviewed-by: danakj <danakj@chromium.org>
Reviewed-by: K. Moon <kmoon@chromium.org>
Cr-Commit-Position: refs/heads/master@{#837228}