Change FaviconRequestHandler internal check for use of favicon server

We verify the upload state of SESSIONS instead of
HISTORY_DELETE_DIRECTIVES.

Bug: 980563
Change-Id: I9178c1df1f63de7ac8ad20f3470d89a14d8062dc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1685384
Commit-Queue: Victor Vianna <victorvianna@google.com>
Reviewed-by: Ramin Halavati <rhalavati@chromium.org>
Reviewed-by: Peter Kotwicz <pkotwicz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#675215}
1 file changed