The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/96365cb91757d4b449d265f4b09493fa9c7a4245

commit 96365cb91757d4b449d265f4b09493fa9c7a4245
Author: mathp <mathp@chromium.org>
Date: Tue Mar 29 01:00:10 2016

[Autofill] Log the number of stored local credit cards

BUG= 598213 
TEST=AutofillMetricsTest

Review URL: https://codereview.chromium.org/1839583003

Cr-Commit-Position: refs/heads/master@{#383641}

[modify] https://crrev.com/96365cb91757d4b449d265f4b09493fa9c7a4245/components/autofill/core/browser/autofill_metrics.cc
[modify] https://crrev.com/96365cb91757d4b449d265f4b09493fa9c7a4245/components/autofill/core/browser/autofill_metrics.h
[modify] https://crrev.com/96365cb91757d4b449d265f4b09493fa9c7a4245/components/autofill/core/browser/autofill_metrics_unittest.cc
[modify] https://crrev.com/96365cb91757d4b449d265f4b09493fa9c7a4245/components/autofill/core/browser/personal_data_manager.cc
[modify] https://crrev.com/96365cb91757d4b449d265f4b09493fa9c7a4245/components/autofill/core/browser/personal_data_manager.h
[modify] https://crrev.com/96365cb91757d4b449d265f4b09493fa9c7a4245/tools/metrics/histograms/histograms.xml