Is this only for this file?

everywhere! :)

Everywhere in autofill I suppose!

Exactly :)

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/993344ce8d82f5186832b46f3548b6f9e5229fac

commit 993344ce8d82f5186832b46f3548b6f9e5229fac
Author: Parastoo Geranmayeh <parastoog@google.com>
Date: Wed Jan 03 21:11:16 2018

[Autofill] Raw pointers -> Smart pointers.

Change some of the autofill constructors to use std::unique_ptrs
instead of the raw pointers.

Bug: 794647
Change-Id: I364b59e867952dc48a66baf605a4dc23f33e7110
Reviewed-on: https://chromium-review.googlesource.com/843130
Commit-Queue: Parastoo Geranmayeh <parastoog@google.com>
Reviewed-by: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#526813}
[modify] https://crrev.com/993344ce8d82f5186832b46f3548b6f9e5229fac/components/autofill/core/browser/credit_card_save_manager_unittest.cc
[modify] https://crrev.com/993344ce8d82f5186832b46f3548b6f9e5229fac/components/autofill/core/browser/form_data_importer.h
[modify] https://crrev.com/993344ce8d82f5186832b46f3548b6f9e5229fac/components/autofill/core/browser/test_autofill_manager.cc
[modify] https://crrev.com/993344ce8d82f5186832b46f3548b6f9e5229fac/components/autofill/core/browser/test_autofill_manager.h
[modify] https://crrev.com/993344ce8d82f5186832b46f3548b6f9e5229fac/components/autofill/core/browser/test_form_data_importer.cc
[modify] https://crrev.com/993344ce8d82f5186832b46f3548b6f9e5229fac/components/autofill/core/browser/test_form_data_importer.h