The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/4a711318f9b8f69695797de99147c6dbefe6062b

commit 4a711318f9b8f69695797de99147c6dbefe6062b
Author: treib <treib@chromium.org>
Date: Wed Oct 19 12:48:26 2016

[NTP Snippets] Add UMA for database load time

BUG= 645070 

Review-Url: https://chromiumcodereview.appspot.com/2423193003
Cr-Commit-Position: refs/heads/master@{#426163}

[modify] https://crrev.com/4a711318f9b8f69695797de99147c6dbefe6062b/components/ntp_snippets/remote/ntp_snippets_service.cc
[modify] https://crrev.com/4a711318f9b8f69695797de99147c6dbefe6062b/components/ntp_snippets/remote/ntp_snippets_service.h
[modify] https://crrev.com/4a711318f9b8f69695797de99147c6dbefe6062b/tools/metrics/histograms/histograms.xml