770873 - Different behavior when loading about:config using a new profile or an old one

Status: RESOLVED WORKSFORME

(Firefox for Android Graveyard :: General, defect)

Description

[Paul Feher]

Nightly Fennec 16.0a1 (2012-07-04)
Aurora Fennec 15.0a2 (2012-07-03)
Firefox 14 Beta 10
Device: HTC Desire Z 
OS: Android 2.3.3

Steps to reproduce:
1. Open Fennec with a new profile.
2. Load about:config.
3. Visit any webpage.
4. Load about:config again.

Expected:
There should be no entries in about:config list only the search field and the "add new setting" button should be present 

Actual:
After step 2 the about:config list is loaded containing the search field, "add new setting" button and other 6 entries.
After step 4 the about:config list is loaded containing only the search field and the "add new setting" button.

Comment 1

[Aaron Train [:aaronmt]]

I'm unable to reproduce this. There's nothing in the code that would indicate a change without a search.

Comment 2

[Paul Feher]

I can reproduce this also on:
Samsung Galaxy Nexus - Android (4.0.2)

Please see the video.
http://youtu.be/O0cVAUpXXUU

Comment 3

[microrffr]

(In reply to Aaron Train [:aaronmt] from comment #1)
> I'm unable to reproduce this. There's nothing in the code that would
> indicate a change without a search.

wouldn't this do it?
http://mxr.mozilla.org/mozilla-central/source/mobile/android/chrome/content/config.xhtml#192

Comment 4

[:Margaret Leibovic]

Yeah, we're observing changes and adding new items for new prefs. We could update the observer code to ignore these new items if there's no search string.

Comment 5

[Mark Capella [:capella]]

Also Superceded by the new about:config ... ok to close?