GitLab

This CL is a part of moving access token management to
OAuth2AccessTokenManager.

It moves RequestParameters to OAuth2AccessTokenManager and
TokenCache type definition which uses RequestParameters
also is moved.

Bug: 967598
Change-Id: I62d268f634c91caf61d792110206f5a01751f006
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1670132
Commit-Queue: Julie Jeongeun Kim <jkim@igalia.com>
Reviewed-by: Colin Blundell <blundell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#671888}