The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/9984205426901dece21078e03eb68d4c7ef1fa07

commit 9984205426901dece21078e03eb68d4c7ef1fa07
Author: khmel <khmel@chromium.org>
Date: Thu May 04 23:57:44 2017

arc: Fix removing shortcuts on package update.

TEST=unit tests extented. Manually, updated test app via adb and
     its shorcuts were left in app launcher
BUG= 718625 
BUG=b/34749664

Review-Url: https://codereview.chromium.org/2860243002
Cr-Commit-Position: refs/heads/master@{#469529}

[modify] https://crrev.com/9984205426901dece21078e03eb68d4c7ef1fa07/chrome/browser/ui/app_list/arc/arc_app_list_prefs.cc
[modify] https://crrev.com/9984205426901dece21078e03eb68d4c7ef1fa07/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
[modify] https://crrev.com/9984205426901dece21078e03eb68d4c7ef1fa07/chrome/browser/ui/app_list/arc/arc_app_unittest.cc

Your change meets the bar and is auto-approved for M59. Please go ahead and merge the CL to branch 3071 manually. Please contact milestone owner if you have questions.
Owners: amineer@(Android), cmasso@(iOS), gkihumba@(ChromeOS), Abdul Syed@(Desktop)

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/765f43f5304b773f50c44c69675a1d956e3784af

commit 765f43f5304b773f50c44c69675a1d956e3784af
Author: khmel <khmel@chromium.org>
Date: Mon May 08 21:50:41 2017

[Merge M59] arg: Fix removing shortcuts on package update.

TEST=unit tests extented. Manually, updated test app via adb and
     its shorcuts were left in app launcher
BUG= 718625 
BUG=b/34749664
TBR=xiyuan@chromium.org
NOTRY=true
NOPRESUBMIT=true

Review-Url: https://codereview.chromium.org/2860243002
Cr-Commit-Position: refs/heads/master@{#469529}
(cherry picked from commit 9984205426901dece21078e03eb68d4c7ef1fa07)

Review-Url: https://codereview.chromium.org/2869973002
Cr-Commit-Position: refs/branch-heads/3071@{#468}
Cr-Branched-From: a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}

[modify] https://crrev.com/765f43f5304b773f50c44c69675a1d956e3784af/chrome/browser/ui/app_list/arc/arc_app_list_prefs.cc
[modify] https://crrev.com/765f43f5304b773f50c44c69675a1d956e3784af/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
[modify] https://crrev.com/765f43f5304b773f50c44c69675a1d956e3784af/chrome/browser/ui/app_list/arc/arc_app_unittest.cc