Fix compilation w/ "skia_enable_svg = false" (take 2)

Change-Id: I036ae171809af56cc9594704b44705ebd095ec80
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/443898
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Robert Phillips <robertphillips@google.com>
19 files changed