[chrome:omnibox] Remove option to hide rows when filtering.

Previously, filtering output had two modes: 1) highlighting matches, 2) hiding
non-matches. This CL removes the 2nd option as the 1st was deemed more useful.

Bug: 891303
Change-Id: I0df88f56cecb2498ae82b4870f20f3b7e92b2850
Reviewed-on: https://chromium-review.googlesource.com/c/1373872
Commit-Queue: manuk hovanesian <manukh@chromium.org>
Reviewed-by: Tommy Li <tommycli@chromium.org>
Cr-Commit-Position: refs/heads/master@{#616843}
5 files changed