Remove WebWorkerFetchContext::ApplicationCacheHostID

Bug: 914739
Change-Id: I65c6d1e9013f699251c29ca50f66f2f79cbc3366
Reviewed-on: https://chromium-review.googlesource.com/c/1388054
Reviewed-by: Hiroki Nakagawa <nhiroki@chromium.org>
Reviewed-by: Kent Tamura <tkent@chromium.org>
Commit-Queue: Yutaka Hirano <yhirano@chromium.org>
Cr-Commit-Position: refs/heads/master@{#622778}
3 files changed