GitLab

After moving some functions from net// to base//, the UnescapeValue no
longer needs to depend on net// so it can be moved to
base/metrics/field_trial_params where it gets used. Also replace the
temporary NoOpDecodeFunc with the UnescapeValue as it's available now.

Bug: 1068052
Change-Id: I1b1790a3e1491a834822d017a5f2f4bfa34ffbec
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2298942
Commit-Queue: Weilun Shi <sweilun@chromium.org>
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#789696}