Revert 251352 "cros: Enable multiprofile for everyone."

> cros: Enable multiprofile for everyone.
>
> BUG=338941
> R=dpolukhin@chromium.org, nkostylev@chromium.org
>
> Review URL: https://codereview.chromium.org/146193005

TBR=xiyuan@chromium.org

Review URL: https://codereview.chromium.org/167173002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@251357 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 251357
Disable broken page in key_silk_cases.

The following page always errors out inside rasterize_and_record.key_silk_cases
on some windows platforms:
  http://plus.google.com/app/basic/stream

This change disables this page so that the perf bots can pass this test for the
other pages.

BUG=338838
R=dominikg@chromium.org, tonyg@chromium.org

Review URL: https://codereview.chromium.org/167143002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@251358 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 251358
Introduces UMA for app-list voice search.

This CL adds 6 user actions (prefixed by 'AppList_')
- AutoLaunchCanceled
- AutoLaunched
- HotwordRecognized
- SearchedBySpeech
- VoiceSearchCanceled
- VoiceSearchStartedManually

BUG=341239
R=xiyuan@chromium.org
TBR=oshima@chromium.org

Review URL: https://codereview.chromium.org/151903007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@251359 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 251359