tree 4430f1de3d202a894b3eeac518ea9f121ea14637
parent e4c0beed744d09dae4757c1893d8caa64ee09cd2
author mtklein <mtklein@chromium.org> 1455044620 -0800
committer Commit bot <commit-bot@chromium.org> 1455044620 -0800

Slim down Sk4fRoundtrip benches.

Looks like the conversions are complicated enough to not compile away.
No need to mess with random number generation, etc.
We still need to blackhole it into a volatile in the end.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1682793002

Review URL: https://codereview.chromium.org/1682793002