Make app list recommendations ignore KnownResults.
commitfe59160235f2aee7d77e08e87060b392eda25a66
authorcalamity <calamity@chromium.org>
Fri, 4 Sep 2015 02:38:33 +0000 (3 19:38 -0700)
committerCommit bot <commit-bot@chromium.org>
Fri, 4 Sep 2015 02:39:07 +0000 (4 02:39 +0000)
tree3649c0c23700d43c5b75d8a2f3b6680270ac4fd7
parent5806feb13ce0cc3061c4147ec67e1533ba9ff779
Make app list recommendations ignore KnownResults.

This CL fixes an issue with the app list recommendations stagnating due
to the KnownResults system which gives results a boost if they've been
chosen before.

This will cause the recommendations to purely rely on recency.

BUG=514568

Review URL: https://codereview.chromium.org/1317163004

Cr-Commit-Position: refs/heads/master@{#347314}
ui/app_list/search/mixer.cc
ui/app_list/search/mixer_unittest.cc