1262818 - Wrong behavior if the 'Responsive Design Mode' button from Developer Toolbar is clicked after tab is detached from the current window

Status: RESOLVED INVALID

(DevTools :: Responsive Design Mode, defect, P3)

Description

[Mihai Boldan, Desktop QA [:mboldan]]

Attachment: RDM.gif

[Note]:
- Logged based on Bug 1239464 Comment 48

[Affected versions]:
- Firefox 48.0a1 (2016-04-06)

[Affected platforms]:
- Windows 10 x86, Ubuntu 12.04 x 86 and Mac OS X 10.11

[Steps to reproduce]:
1. Launch Firefox.
2. From about:config, enable the devtools.responsive.html.enabled pref.
3. Open RDM.
4. Drag the tab in order to detached it from the current window.
5. Enable Toggle Tools.
6. Click the 'Responsive Design Mode' button in order to close the tool.

[Expected result]:
- RDM closes.

[Actual result]:
- RDM is not closed and the content from it is hidden(see the attachment).

[Regression range]:
- This is not a regression since this is a new implementation.

[Additional notes]:
- If the button is clicked for the second time, RDM is closed.

Comment 1

[Martin Balfanz [:mbalfanz]]

I think this bug is no longer valid. When you detach the tab now RDM will be closed right away.