Bumping this bug up in priority :)

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/80e92e76b7717b0c52f050e7792f52c714324393

commit 80e92e76b7717b0c52f050e7792f52c714324393
Author: Sean Kau <skau@chromium.org>
Date: Fri Jul 21 17:37:11 2017

Remove the --disable-native-cups flag.

Native CUPS has been turned on since M59 and it has settled well.
The flag to turn it off is being removed.  Also clean up code that is
now extraneous.

Bug:  733793 
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: I351790c7f8f0a486743e190355af7922b0105676
Reviewed-on: https://chromium-review.googlesource.com/575829
Reviewed-by: Steven Bennetts <stevenjb@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Commit-Queue: Sean Kau <skau@chromium.org>
Cr-Commit-Position: refs/heads/master@{#488695}
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/chrome/browser/about_flags.cc
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/chrome/browser/flag_descriptions.cc
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/chrome/browser/flag_descriptions.h
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/chrome/browser/resources/options/browser_options.js
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/chrome/browser/resources/settings/printing_page/printing_page.html
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/chrome/browser/resources/settings/printing_page/printing_page.js
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/chrome/browser/ui/webui/options/browser_options_handler.cc
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/chrome/browser/ui/webui/print_preview/print_preview_ui.cc
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/chrome/browser/ui/webui/print_preview/printer_backend_proxy_chromeos.cc
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/chrome/browser/ui/webui/settings/md_settings_localized_strings_provider.cc
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/chrome/common/chrome_switches.cc
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/chrome/common/chrome_switches.h
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/chrome/test/data/webui/settings/cr_settings_browsertest.js
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/printing/backend/print_backend.cc
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/printing/backend/print_backend.h
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/printing/backend/print_backend_chromeos.cc
[modify] https://crrev.com/80e92e76b7717b0c52f050e7792f52c714324393/printing/printing_context_chromeos.cc

Just missed the branch.

Your change meets the bar and is auto-approved for M61. Please go ahead and merge the CL to branch 3163 manually. Please contact milestone owner if you have questions.
Owners: amineer@(Android), cmasso@(iOS), ketakid @(ChromeOS), govind@(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/+/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a

commit 50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a
Author: Sean Kau <skau@chromium.org>
Date: Mon Jul 24 23:13:07 2017

Remove the --disable-native-cups flag.

Native CUPS has been turned on since M59 and it has settled well.
The flag to turn it off is being removed.  Also clean up code that is
now extraneous.

TBR=skau@chromium.org

(cherry picked from commit 80e92e76b7717b0c52f050e7792f52c714324393)

Bug:  733793 
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: I351790c7f8f0a486743e190355af7922b0105676
Reviewed-on: https://chromium-review.googlesource.com/575829
Reviewed-by: Steven Bennetts <stevenjb@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Commit-Queue: Sean Kau <skau@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#488695}
Reviewed-on: https://chromium-review.googlesource.com/583480
Reviewed-by: Sean Kau <skau@chromium.org>
Cr-Commit-Position: refs/branch-heads/3163@{#17}
Cr-Branched-From: ff259bab28b35d242e10186cd63af7ed404fae0d-refs/heads/master@{#488528}
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/chrome/browser/about_flags.cc
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/chrome/browser/flag_descriptions.cc
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/chrome/browser/flag_descriptions.h
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/chrome/browser/resources/options/browser_options.js
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/chrome/browser/resources/settings/printing_page/printing_page.html
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/chrome/browser/resources/settings/printing_page/printing_page.js
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/chrome/browser/ui/webui/options/browser_options_handler.cc
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/chrome/browser/ui/webui/print_preview/print_preview_ui.cc
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/chrome/browser/ui/webui/print_preview/printer_backend_proxy_chromeos.cc
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/chrome/browser/ui/webui/settings/md_settings_localized_strings_provider.cc
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/chrome/common/chrome_switches.cc
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/chrome/common/chrome_switches.h
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/chrome/test/data/webui/settings/cr_settings_browsertest.js
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/printing/backend/print_backend.cc
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/printing/backend/print_backend.h
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/printing/backend/print_backend_chromeos.cc
[modify] https://crrev.com/50c8bed7354a4d9b0b151ec1b3c6a6b79ca6216a/printing/printing_context_chromeos.cc