The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c957fa5c49f17ebaf4ffda4b2c3427c37353ef40

commit c957fa5c49f17ebaf4ffda4b2c3427c37353ef40
Author: xutan <xutan@chromium.org>
Date: Thu Jun 01 02:19:58 2017

Remove the chrome flag to show/hide ARC files app in launcher.

This reverts commit eb85d566226621ba40a61a3e10fa7d6aeae091ad.
This reverts commit bc979776bf3949f8111d18f3e476833de024d8e1.

BUG= 728344 
TEST=unit_tests --gtest_filter="*AboutFlagsHistogramTest*"

Review-Url: https://codereview.chromium.org/2917773002
Cr-Commit-Position: refs/heads/master@{#476154}

[modify] https://crrev.com/c957fa5c49f17ebaf4ffda4b2c3427c37353ef40/chrome/browser/about_flags.cc
[modify] https://crrev.com/c957fa5c49f17ebaf4ffda4b2c3427c37353ef40/chrome/browser/flag_descriptions.cc
[modify] https://crrev.com/c957fa5c49f17ebaf4ffda4b2c3427c37353ef40/chrome/browser/flag_descriptions.h
[modify] https://crrev.com/c957fa5c49f17ebaf4ffda4b2c3427c37353ef40/chrome/browser/ui/app_list/arc/arc_app_utils.cc
[modify] https://crrev.com/c957fa5c49f17ebaf4ffda4b2c3427c37353ef40/components/arc/arc_features.cc
[modify] https://crrev.com/c957fa5c49f17ebaf4ffda4b2c3427c37353ef40/components/arc/arc_features.h

9765.16.0, 61.0.3163.30