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Issue metadata

Status: Fixed
Closed: Sep 27
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 3
Type: Bug
Flaky-Test: external/wpt/html/syntax/parsing/template/creating-an-element-for-the-token/template-owner-document.html

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Issue 862826: "external/wpt/html/syntax/parsing/template/creating-an-element-for-the-token/template-owner-document.html" is flaky

Reported by, Jul 11 2018 Project Member

Issue description

"external/wpt/html/syntax/parsing/template/creating-an-element-for-the-token/template-owner-document.html" is flaky.

This issue was created automatically by the chromium-try-flakes app. Please find the right owner to fix the respective test/step and assign this issue to them. If the step/test is infrastructure-related, please add Infra-Troopers label and change issue status to Untriaged. When done, please remove the issue from Sheriff Bug Queue by removing the Sheriff-Chromium label.

We have detected 3 recent flakes. List of all flakes can be found at

Flaky tests should be disabled within 30 minutes unless culprit CL is found and reverted. Please see more details here:

Comment 1 by, Jul 12 2018

Components: Blink>HTML>CustomElements
Labels: OS-Linux OS-Mac

Comment 2 by, Jul 12 2018

Project Member
The following revision refers to this bug:

commit 704b3f013b80c7a5f93296e3d146758d5c0b0ccc
Author: Mike West <>
Date: Thu Jul 12 12:44:57 2018

Mark several layout tests as flaky.

- css3/filters/effect-brightness-clamping-hw.html
- virtual/gpu/fast/canvas/canvas-blending-image-over-image.html
- css3/filters/effect-drop-shadow-hw.html
- external/wpt/html/syntax/parsing/template/creating-an-element-for-the-token/template-owner-document.html

Bug: 862716,  862729 , 862806,  862826 
Change-Id: I08126b22afdc0a7a4ef776dde8cc1120643acdcc
Commit-Queue: Mike West <>
Reviewed-by: Mike West <>
Cr-Commit-Position: refs/heads/master@{#574539}

Comment 3 by, Jul 12 2018

Labels: -Sheriff-Chromium
Status: Assigned (was: Untriaged)
Assigning to Kent but CC'ing Sunny. 
Sunny, it looks like you were working near this recently. Could you take a look?

Comment 4 by, Jul 12 2018

Components: -Blink>HTML>CustomElements Blink>HTML>Parser
Labels: -Pri-1 Pri-3
Owner: ----
Status: Available (was: Assigned)
It seems the test is just slow. We should add <meta name="timeout" content="long"> to the test.

Comment 5 by Findit, Sep 22

Project Member
Flaky-Test: external/wpt/html/syntax/parsing/template/creating-an-element-for-the-token/template-owner-document.html
Labels: Test-Flaky Test-Findit-Detected Sheriff-Chromium
external/wpt/html/syntax/parsing/template/creating-an-element-for-the-token/template-owner-document.html is flaky.

Findit has detected 3 new flake occurrences of this test. List
of all flake occurrences can be found at:

Since this test is still flaky, this issue has been moved back onto the Sheriff
Bug Queue if it's not already there.

If the result above is wrong, please file a bug using this link:,Test-Findit-Wrong&components=Tools%3ETest%3EFindit%3EFlakiness&summary=%5BFindit%5D%20Flake%20Detection%20-%20Wrong%20result%20for%20external/wpt/html/syntax/parsing/template/creating-an-element-for-the-token/template-owner-document.html&comment=Link%20to%20flake%20occurrences%3A%20

Automatically posted by the findit-for-me app (

Comment 6 by, Sep 26

Status: Assigned (was: Available)
this is still flaking, even though the expectations are marked as [ Failure Pass ]. I suppose this is because it also times out. As per #4, should we add that meta tag instead of adjusting the expectations?

Comment 7 by, Sep 27

Status: Started (was: Assigned)

Comment 8 by, Sep 27

Project Member
The following revision refers to this bug:

commit 2736bb6e8702f30b88f81ecc7c91de71c415b962
Author: Kent Tamura <>
Date: Thu Sep 27 05:08:45 2018

html: Mark template-owner-document.html slow.

This tests parsing behavior for all element types with <template>.

Bug:  862826 
Change-Id: Iaa1c0f5bdeed26e0a32ae627ae388503b33a972d
Reviewed-by: Yoshifumi Inoue <>
Commit-Queue: Kent Tamura <>
Cr-Commit-Position: refs/heads/master@{#594596}

Comment 9 by, Sep 27

Status: Fixed (was: Started)

Comment 10 by, Jan 24

Components: -Tests>Flaky

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