1056438 - [e10s] Session restore is broken if about:addons exists in previous session

Status: VERIFIED FIXED

(Firefox :: Session Restore, defect)

Description

[Alice0775 White]

In latest hourry, Session restore is broken if about:addons exists in previous session

Steps To Reproduce:
1. Browser start with browser.tabs.remote.autostart = true
2. Open any web pages in several tabs
   (e.g. https://www.mozilla.org/en-US/firefox/desktop/trust/
         http://www.yahoo.com  
         https://www.mozilla.org/en-US/firefox/desktop/
3. Open about:addons 
4. Exit browser
5. Restart browser
6. Click "Restore Previous Session"

Actual Results:
about:addons tab is not restored.
Several tabs are indicated as "New Tab", and do not display its contents after selected the tab.

Expected Results:
All tabs should be restored as expected.
Tab contents should display after selected the tab.

Regression window(fx)
Good:
https://hg.mozilla.org/integration/fx-team/rev/f150e176a823
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:34.0) Gecko/20100101 Firefox/34.0 ID:20140819111025
Bad:
https://hg.mozilla.org/integration/fx-team/rev/893fa8436b70
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:34.0) Gecko/20100101 Firefox/34.0 ID:20140819114829
Pushlog:
http://hg.mozilla.org/integration/fx-team/pushloghtml?fromchange=f150e176a823&tochange=893fa8436b70

Regressed by:
893fa8436b70	Mike Conley — Bug 1041917 - Make it possible to transition from non-remote to remote browsers while browsing away from about: pages. r=billm. feedback=mrbkap.

Comment 1

[Alice0775 White]

s/In latest hourry/In latest hourly/

Comment 2

[Mike Conley (:mconley) (:⚙️)]

I'll take a look at this today and see if we need to back out bug 1041917.

Comment 3

[Mike Conley (:mconley) (:⚙️)]

Backed out regressing bug 1041917.

Comment 4

[Cornel Ionce [:noni] [Hubs QA]]

Verified fixed on Windows 7 64-bit, using latest Nightly, build ID: 20140918030202.