Implement PasswordSyncBridge::MergeSyncData()

Bug: 902349
Change-Id: I4b01ff184fc57d68a7944421aaace1d475df89a7
Reviewed-on: https://chromium-review.googlesource.com/c/1437184
Commit-Queue: Mohamed Amir Yosef <mamir@chromium.org>
Reviewed-by: Mikel Astiz <mastiz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#626495}
2 files changed