Also make sources_when_disabled and public_defines optional arguments.
These are the two mechanisms code uses to turn itself off...
probably at most one is ever used per optional.
Update fiddle to not crash when there's no PDF backend.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2292343003
Review-Url: https://codereview.chromium.org/2292343003
- Make fiddle build on Mac (skipping GL).
- Now that we're building in SkCodec, we depend on libpng and libjpeg-turbo unconditionally, not just on Linux.
- Re-arrange third_party a bit so that our targets are Fuchsia/Chrome compatible.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2184133002
NOTREECHECKS=true
This doesn't affect Chrome/Blink, so landing through the closed tree.
Review-Url: https://codereview.chromium.org/2184133002
