Looking at UMA results, we are getting a lot of compilations (over 5%)
that are being lumped into the 1 second (plus) maximum entry. To get
more visibility into this, this CL lifts the maxiumum to 10 seconds.

BUG=chromium:704922
R=bbudge@chromium.org,bradnelson@chromium.org

Review-Url: https://codereview.chromium.org/2785313002
Cr-Commit-Position: refs/heads/master@{#44312}