GitLab

Switches uses of PrintResult in blink_heap_unittests to
PerfResultReporter and whitelists it for conversion to histograms
before being uploaded to the perf dashboard.

Bug: 923564
Change-Id: I5278ed703b2644eac7fbe7b547ed8dcc94eb8e8d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2095926Reviewed-by: Caleb Rouleau <crouleau@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Brian Sheedy <bsheedy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#749349}