GitLab

Ensuring that neither autofill_manager nor client is null when creating InternalAuthenticator instance.
If either is null, then return nullptr (which is already gracefully handled).

Bug: 949269
Change-Id: I217b7c2766675c5cae7a632acd0db16b1a287b3e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2324116Reviewed-by: Tommy Martino <tmartino@chromium.org>
Commit-Queue: Manas Verma <manasverma@google.com>
Cr-Commit-Position: refs/heads/master@{#792750}