[AF Wallet Sync] Clean-up GetAllDataForTesting()/Debugging()

This CL removes unnecessary code duplication in AutofillWalletSyncBridge
in the GetAllDataFor* functions.

Bug: 853688
Change-Id: I9a728b8a43381265a34d1f0af1c2226100e60ccd
Reviewed-on: https://chromium-review.googlesource.com/c/1403123
Commit-Queue: Jan Krcal <jkrcal@chromium.org>
Commit-Queue: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Reviewed-by: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#621209}
4 files changed