1437527 - The "document" item can no longer be extended on other tabs, if Accessibility is disabled and re-enabled in one of them

Status: RESOLVED WORKSFORME

(DevTools :: General, defect)

Description

[Cosmin Muntean [:cmuntean], Ecosystem QA]

Attachment: document extend.mp4

[Affected versions]:
- Nightly 60.0a1 (2018-02-09) try build 

[Affected Platforms]:
- All Windows
- All Mac
- All Linux

[Prerequisites]:
- Have the latest try build 60.0a1 from (2018-02-09) installed.
- The "Accessibility" option is checked in "Toolbar Options"

[Steps to reproduce]:
1. Open the Nightly try build with the profile from prerequisites.
2. Navigate to any website press the "F12" key and focus the "Accessibility" tab.
3. Click the "Enable Accessibility Features" button.
4. Open a new tab and navigate to another website.
5. Press "F12" key and focus the "Accessibility" tab.
6. Return to the previously tab from step 2, disable and re-enable Accessibility.
7. Focus the other tab and extend the "document" item.

[Expected Results]:
- The "document" is correctly extended.

[Actual results]:
- The "document" cannot be extended.

[Notes]:
- Attached a screen recording with the issue.

Comment 1

[Yura Zenevich [:yzen] (please use "needinfo")]

Thanks these are fantastic STR's. I believe this is the same bug as bug 1434956.

Comment 2

[Yura Zenevich [:yzen] (please use "needinfo")]

Cosmin, would you see if latest try fixes the issue: https://bugzilla.mozilla.org/show_bug.cgi?id=1151468#c69

Comment 3

[Cosmin Muntean [:cmuntean], Ecosystem QA]

This issue is no longer reproducible on the latest Nightly try build (2018-02-15). Tested on Windows 7 x64, Mac 10.13 and Arch Linux.