GitLab

This CL migrates the final few press benchmarks (dromaeo and
speedometer2) which were still directly writing histograms to use the
measurements system instead.

Also, stop calling PopulateHistogramSet. This is no longer needed
since the measurements to histograms translation is now handled by
results processor.

Bug: 999484
Change-Id: Ieb7b88aedddae731c029eb9954119479a783d2c2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1869008Reviewed-by: Caleb Rouleau <crouleau@chromium.org>
Commit-Queue: Juan Antonio Navarro Pérez <perezju@chromium.org>
Cr-Commit-Position: refs/heads/master@{#708108}