More beachhead

This should at least get something compiling.

Change-Id: I617fd4d6e4f0a3fdd6dedbe66f3a4448bb913b2c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/450976
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
10 files changed