Delete OnRequestCompleted method from IdentityAccessorImpl.

This CL merges OnRequestCompleted's logic into
OnTokenRequestCompleted. There wasn't enough logic to warrant a
separate method.

Bug: 933109
Change-Id: I2074518187f6078ae2d5c22935aa8a4e911837fb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1505498
Commit-Queue: Lowell Manners <lowell@chromium.org>
Reviewed-by: Colin Blundell <blundell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#638576}
2 files changed