Log user manager information during windows notification activation

There have been reports that user manager showed up in chrome's startup when
dealing with Windows native notification activation. This CL logs relevant
data to help investigation.

Bug: 833663
Change-Id: I90a64c7854e25d1a8dc704a452a3c2eddb97c041
Reviewed-on: https://chromium-review.googlesource.com/1019103
Commit-Queue: Xi Cheng <chengx@chromium.org>
Reviewed-by: Brian White <bcwhite@chromium.org>
Reviewed-by: Tommy Martino <tmartino@chromium.org>
Cr-Commit-Position: refs/heads/master@{#552262}
3 files changed