1327111 - Sound indicator sometimes not shown in tab when it produces sound (js1k)

Status: RESOLVED WORKSFORME

(Firefox :: Untriaged, defect)

Description

[arni2033]

>>>   My Info:   Win7_64, Nightly 49, 32bit, ID 20160526082509
STR_1:
1. Open http://js1k.com/2014-dragons/demo/1801
2. {Press F5 to reload the tab} several times until you see that there's no sound indicator in tab
3.(bonus) execute [1] in console to add some real sound in tab

AR:  Steps 2,3 - no sound indicator in tab
ER:  Sound indicator should appear

> [1] V=document.createElement('video');document.body.appendChild(V);V.src="https://videos.cdn.mozilla.net/uploads/mozillaorg/A different kind of browser.webm";setTimeout("V.play()",3000);setTimeout("querySelector('iframe').src='about:blank'",6000);

Comment 1

[Cosmin Muntean [:cmuntean], Ecosystem QA (PTO until March 24)]

User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:53.0) Gecko/20100101 Firefox/53.0
Firefox: 53.0a1 Build ID: 20170119030211

I have managed to reproduce this issue on the latest Firefox (50.1.0) release. I have also tested on latest Nightly (53.0a1) build and the issue is no longer reproducible.
Based on this I have performed a --find-fix regression. Here are the results:

First good revision: a494dd0ae2b0278403a36b38c64c0d48074b88bc
Last bad revision: f07c7ecdd26607a7602229af5dda00ccb1f1cd43
Pushlog:
https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=f07c7ecdd26607a7602229af5dda00ccb1f1cd43&tochange=a494dd0ae2b0278403a36b38c64c0d48074b88bc

Looks like the following bug has the changes which introduced the fix:
https://bugzilla.mozilla.org/show_bug.cgi?id=1283302

Considering this I will mark this issue as Resolved - Worksforme.