1426872 - Wrong/changes tab id when attach tab to other window

Status: RESOLVED DUPLICATE of bug 1398272

(WebExtensions :: Frontend, defect)

Description

[Vitaliy]

Attachment: firefox-bug-tab-id.zip

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0
Build ID: 20171206182557

Steps to reproduce:

Hi!

When you attach tab to other window, events browser.tabs.onAttached/onDetached called with wrong tab id and this tab created in 

When you move a tab to a new window (attach), it's ID is changed by increment.
This happens only when there is a connected event browser.tabs.onUpdated. In case you are not subscribed to this even, the bug is absent.
The same thing happens when you call the function browser.tabs.move.

Please, see gif in attach archive.

This bug replicates on FF 57,58,59. In FF 56 this bug not replicated.


Actual results:

When you move a tab to a new window (attach), it's ID is changed by increment.


Expected results:

When you move a tab to a new window (attach), it's ID can not to be changed.

Comment 1

[Vitaliy]

Attachment: attached-tab-bug.gif

preview bug