Fix for number of buckets for a ExploreSites.ClickedNTPCategoryIndex histogram.
The number of buckets should be one more than max value.

Bug: 867488
Change-Id: I7bf31a910826d8cd4f2f82de8da9f941cad33d4d
Reviewed-on: https://chromium-review.googlesource.com/c/1277833
Reviewed-by: Justin DeWitt <dewittj@chromium.org>
Commit-Queue: Dmitry Titov <dimich@chromium.org>
Cr-Commit-Position: refs/heads/master@{#598954}
1 file changed