Move IdentityGetProfileUserInfoFunction to C++ IdentityManager

Remove the usage of the IdentityManager Mojo API in favor of the C++
API for consistency with other //chrome/browser code.

Bug: 928187
Change-Id: Id6431d3ec57c0b7dc872ed5e23d863dd3c96e922
Reviewed-on: https://chromium-review.googlesource.com/c/1454527
Commit-Queue: Henrique Ferreiro <hferreiro@igalia.com>
Reviewed-by: Colin Blundell <blundell@chromium.org>
Reviewed-by: David Roger <droger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#629990}
2 files changed