1575437 - Test for "iframe navigations are not observable by the parent, even after history navigations by the parent" fails in Firefox Nightly

Status: UNCONFIRMED

(Core :: DOM: Performance, defect, P3)

Description

[James Lee]

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36

Steps to reproduce:

Firefox test link: https://wpt.fyi/results/resource-timing/nested-context-navigations-iframe.html?label=master&product=chrome%5Bexperimental%5D&product=edge&product=firefox&product=safari%5Bexperimental%5D&aligned

Firefox Nightly test link: https://wpt.fyi/results/resource-timing/nested-context-navigations-iframe.html?label=master&product=chrome%5Bexperimental%5D&product=edge&product=firefox%5Bexperimental%5D&product=safari%5Bexperimental%5D&aligned

The second link shows that test for "iframe navigations are not observable by the parent, even after history navigations by the parent" fails in Firefox Nightly.

Actual results:

"iframe navigations are not observable by the parent, even after history navigations by the parent" fails in Firefox Nightly.

Expected results:

"iframe navigations are not observable by the parent, even after history navigations by the parent" should result pass on Nightly.

Comment 1

[:Gijs (he/him)]

I think this is just a dupe of bug 1572932, and I don't see any reason to keep it sec-sensitive, but perhaps I'm missing something. Olli?

Comment 2

[Olli Pettay [:smaug][[e-mail]]]

The failure is that we expose even less data than other browsers.

Comment 3

[James Lee]

right.

Comment 4

[Olli Pettay [:smaug][[e-mail]]]

And this is more about Resource Timing

Comment 5

[BugBot [:suhaib / :marco/ :calixte]]

The severity field for this bug is relatively low, S3. However, the bug has 13 votes.
:fdoty, could you consider increasing the bug severity?

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