For now we should keep the same UI, as when you scroll the mobile data section collapses. Introducing new UI elements here could be confusing and inconsistent with the rest of the sections in the quick settings.

It's true that you can always scroll past it, but the problem is that it's the first thing displayed in quick settings and takes up over half of the tray. IMO, users shouldn't have to scroll past something they will never use to make use of the rest of the tray.

If the user truly does not want to use the feature (e.g., the user does not have a tethering mobile data plan), it seems like taking up half of the tray for this purpose would be annoying for that user.

You're also right that adding a new UI element would probably create inconsistencies visually. Perhaps we could just go with a setting instead (users would see the quick settings section by default and it would only be hidden if users explicitly changed this in settings).

We have decided to decrease the padding in the mobile data section, and created a section title is a 2 line title. Please refer to the updated spec for the change in QS.

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Thanks for the response. I think that your mocks look good, but unfortunately they are unrealistic because the height of the menu in your mocks is much higher than it would be on a real device. If we decrease the padding marginally as you did in your mocks, it would not make much of a difference since we're only squeezing things in by a few pixels.

I've attached a screenshot on a real device so you can check out what it looks like currently. Even if we shave a few extra pixels off of the height of each row, we would still barely be able to see the top of the first Wi-Fi network in the list.

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kuscher@ suggested in an e-mail thread that we may want to show the "Mobile data" section below the Wi-Fi section when it is disabled. This would solve the issue at hand, but I'm not sure what the transition would be like when we switch it on and off? Clearly, we would not want to move the section up and down quick settings while quick settings is open, but moving it to the bottom the next time it is opened could also be a source of confusion for users.

We either keep the setting above wifi or reorder and place it below. Moving it up and down based on it's status is not a great UX. We ran this idea by Jenn and she was on board with reducing padding. 

Just got clarification from jennschen@ on this issue. UX has decided that we should now "minimize" the quick settings section for Mobile data when there are no devices. Attached are mocks for what this should look like.

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Here is the spec for the padding for mobile apps.

https://drive.google.com/a/google.com/file/d/0B_2Uyb2Rhx2OSGhSVnRUSzQzU0E/view?usp=sharing

Hi Elizabeth - regarding the spec padding: what should be the dimensions of the space between the right side of the text and the left side of the toggle? Seems that measurement is missing. Also, what is the total width of the text? Thanks!

You can find the updated spec here:
https://drive.google.com/a/google.com/file/d/0B_2Uyb2Rhx2OSGhSVnRUSzQzU0E/view?usp=sharing

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This bug requires manual review: M62 has already been promoted to the beta branch, so this requires manual review
Please contact the milestone owner if you have questions.
Owners: amineer@(Android), cmasso@(iOS), bhthompson@(ChromeOS), abdulsyed@(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/+/d523a93a787adcdadb670f45cd2ee3bab0490912

commit d523a93a787adcdadb670f45cd2ee3bab0490912
Author: Kyle Horimoto <khorimoto@google.com>
Date: Mon Oct 02 20:21:46 2017

[CrOS Tether] Minimize mobile data quick settings when empty.

This change re-styles the "Mobile data" section of network quick
settings so that when there are no networks shown in the section, it
appears compressed. Without this change, the section takes up a lot
of screen real estate, which can be annoying to users who do not plan on
using mobile data networks.

This CL also removes some obsolete code for being a delegate of
TrayInfoLabel.

Bug:  758323 , 672263
Change-Id: I144bf4b0f314270d8007fc924abfb465c93829dd
Reviewed-on: https://chromium-review.googlesource.com/693322
Commit-Queue: Kyle Horimoto <khorimoto@chromium.org>
Reviewed-by: James Cook <jamescook@chromium.org>
Cr-Commit-Position: refs/heads/master@{#505754}
[modify] https://crrev.com/d523a93a787adcdadb670f45cd2ee3bab0490912/ash/BUILD.gn
[modify] https://crrev.com/d523a93a787adcdadb670f45cd2ee3bab0490912/ash/system/network/network_list.cc
[modify] https://crrev.com/d523a93a787adcdadb670f45cd2ee3bab0490912/ash/system/network/network_list.h
[add] https://crrev.com/d523a93a787adcdadb670f45cd2ee3bab0490912/ash/system/network/network_row_title_view.cc
[add] https://crrev.com/d523a93a787adcdadb670f45cd2ee3bab0490912/ash/system/network/network_row_title_view.h
[modify] https://crrev.com/d523a93a787adcdadb670f45cd2ee3bab0490912/ash/system/tray/tray_info_label.cc
[modify] https://crrev.com/d523a93a787adcdadb670f45cd2ee3bab0490912/ash/system/tray/tray_info_label.h

Oops - this is targeted for M-63, not M-62. TPMs, please disregard the merge request :)