The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/3ca0664f1915966cdebea25f9b5e4c0dc49f11b8

commit 3ca0664f1915966cdebea25f9b5e4c0dc49f11b8
Author: Alex Newcomer <newcomer@chromium.org>
Date: Mon Nov 19 19:46:16 2018

cros: Remove dead touchable app context menu code

For ash/app_list.

Bug:  906684 
Change-Id: I8b3b79ba1e4220d0c2a3e3df8e822300ac6f63a7
Reviewed-on: https://chromium-review.googlesource.com/c/1342621
Reviewed-by: Weidong Guo <weidongg@chromium.org>
Commit-Queue: Alex Newcomer <newcomer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609401}
[modify] https://crrev.com/3ca0664f1915966cdebea25f9b5e4c0dc49f11b8/ash/app_list/views/app_list_item_view.cc
[modify] https://crrev.com/3ca0664f1915966cdebea25f9b5e4c0dc49f11b8/ash/app_list/views/search_result_tile_item_view.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/e6dfd5097264d08ed3a37e9bc7a4984c048b14d7

commit e6dfd5097264d08ed3a37e9bc7a4984c048b14d7
Author: Alex Newcomer <newcomer@chromium.org>
Date: Tue Nov 20 00:25:27 2018

cros: Touchable app context menu dead code cleanup

More cleanups, this is just within ash, not within app_list or shelf.

Bug:  906684 
Change-Id: I42b6a0b6765481685a1ec5e612b4d849f8f3f0ff
Reviewed-on: https://chromium-review.googlesource.com/c/1342766
Reviewed-by: Mitsuru Oshima <oshima@chromium.org>
Commit-Queue: Alex Newcomer <newcomer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609525}
[modify] https://crrev.com/e6dfd5097264d08ed3a37e9bc7a4984c048b14d7/ash/root_window_controller.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/1ef59e1da6b5bf3a51ef7060c4fe8fe7bd762297

commit 1ef59e1da6b5bf3a51ef7060c4fe8fe7bd762297
Author: Alex Newcomer <newcomer@chromium.org>
Date: Tue Nov 27 03:00:10 2018

cros: Touchable App Context Menu dead code cleanup

Remove code that is dead now that touchable app menus are enabled by
default.

Bug:  906684 
Change-Id: I28bb46da596ba93e0bbc01c0685ed1cc1b7ec0ac
Reviewed-on: https://chromium-review.googlesource.com/c/1341064
Commit-Queue: Alex Newcomer <newcomer@chromium.org>
Reviewed-by: Michael Wasserman <msw@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611008}
[modify] https://crrev.com/1ef59e1da6b5bf3a51ef7060c4fe8fe7bd762297/ash/shelf/shelf_application_menu_model.cc
[modify] https://crrev.com/1ef59e1da6b5bf3a51ef7060c4fe8fe7bd762297/ash/shelf/shelf_context_menu_model.cc
[modify] https://crrev.com/1ef59e1da6b5bf3a51ef7060c4fe8fe7bd762297/ash/shelf/shelf_controller.h
[modify] https://crrev.com/1ef59e1da6b5bf3a51ef7060c4fe8fe7bd762297/ash/shelf/shelf_controller_unittest.cc
[modify] https://crrev.com/1ef59e1da6b5bf3a51ef7060c4fe8fe7bd762297/ash/shelf/shelf_view.cc
[modify] https://crrev.com/1ef59e1da6b5bf3a51ef7060c4fe8fe7bd762297/ash/shelf/shelf_view.h
[modify] https://crrev.com/1ef59e1da6b5bf3a51ef7060c4fe8fe7bd762297/ash/shelf/shelf_view_unittest.cc
[modify] https://crrev.com/1ef59e1da6b5bf3a51ef7060c4fe8fe7bd762297/ash/shelf/shelf_window_watcher_item_delegate.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/b0cb7753a7379fe8910ea1dda4d70915f45f4e5e

commit b0cb7753a7379fe8910ea1dda4d70915f45f4e5e
Author: Alex Newcomer <newcomer@chromium.org>
Date: Fri Dec 07 00:56:08 2018

cros: Remove the touchable app context menu flag.

The feature has been enabled by default, so remove the flag.

Bug:  906684 
Change-Id: I0ea6f282ef1054c1098fbb8b9fd4b537088db74b
Reviewed-on: https://chromium-review.googlesource.com/c/1351752
Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Alex Newcomer <newcomer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#614504}
[modify] https://crrev.com/b0cb7753a7379fe8910ea1dda4d70915f45f4e5e/chrome/browser/about_flags.cc
[modify] https://crrev.com/b0cb7753a7379fe8910ea1dda4d70915f45f4e5e/chrome/browser/flag_descriptions.cc
[modify] https://crrev.com/b0cb7753a7379fe8910ea1dda4d70915f45f4e5e/chrome/browser/flag_descriptions.h
[modify] https://crrev.com/b0cb7753a7379fe8910ea1dda4d70915f45f4e5e/ui/base/ui_base_features.cc
[modify] https://crrev.com/b0cb7753a7379fe8910ea1dda4d70915f45f4e5e/ui/base/ui_base_features.h