Andy, since it's your test, could you please take a look?

I think it's due to these lines:
test::SetCreditCardInfo(&credit_card3, "Clyde", "4111111111111111" /* Visa */,
                          "04", "2017", "1");
credit_card3.set_use_date(now - base::TimeDelta::FromDays(400));

I think the fix will need to be merged to M68 too.

It was disabled here: https://chromium-review.googlesource.com/c/chromium/src/+/1080648

Removing sheriff label

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/a0b61f4f81b1f6c4b3098b8ab838c3abffa5137a

commit a0b61f4f81b1f6c4b3098b8ab838c3abffa5137a
Author: Hui(Andy) Wu <wuandy@chromium.org>
Date: Thu May 31 20:02:00 2018

[Autofill] Fix a unittest failure due to dependency to current time.

A unittest fails because it is checking how long has a credit card
expired. Fixing it by always setting the expiry date to a date one
month earlier than current time.

Bug:  848246 
Change-Id: I57d142ad49d8155241f5f04da2246fee9f54b2cb
Reviewed-on: https://chromium-review.googlesource.com/1081229
Commit-Queue: Hui Wu <wuandy@chromium.org>
Commit-Queue: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Reviewed-by: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#563359}
[modify] https://crrev.com/a0b61f4f81b1f6c4b3098b8ab838c3abffa5137a/components/autofill/core/browser/personal_data_manager_unittest.cc

 Issue 848227  has been merged into this issue.

Your change meets the bar and is auto-approved for M68. Please go ahead and merge the CL to branch 3440 manually. Please contact milestone owner if you have questions.
Owners: cmasso@(Android), kariahda@(iOS), bhthompson@(ChromeOS), abdulsyed@(Desktop)

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/bb5ef51d5fcce78cdb8e3429d4858cce6ce1b10c

commit bb5ef51d5fcce78cdb8e3429d4858cce6ce1b10c
Author: sebsg <sebsg@chromium.org>
Date: Mon Jun 04 13:47:58 2018

Merge-68 [AF] Fix a unittest failure due to dependency to current time.

A unittest fails because it is checking how long has a credit card
expired. Fixing it by always setting the expiry date to a date one
month earlier than current time.

TBR=wuandy@chromium.org

(cherry picked from commit a0b61f4f81b1f6c4b3098b8ab838c3abffa5137a)

Bug:  848246 
Change-Id: I57d142ad49d8155241f5f04da2246fee9f54b2cb
Reviewed-on: https://chromium-review.googlesource.com/1081229
Commit-Queue: Hui Wu <wuandy@chromium.org>
Commit-Queue: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Reviewed-by: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#563359}
Reviewed-on: https://chromium-review.googlesource.com/1085127
Cr-Commit-Position: refs/branch-heads/3440@{#132}
Cr-Branched-From: 010ddcfda246975d194964ccf20038ebbdec6084-refs/heads/master@{#561733}
[modify] https://crrev.com/bb5ef51d5fcce78cdb8e3429d4858cce6ce1b10c/components/autofill/core/browser/personal_data_manager_unittest.cc