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Issue 833593 link

Starred by 1 user
Status: Duplicate
Merged: issue 838616
Owner:
sahel@chromium.org
Closed: May 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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DCHEK firing when touch scrolling elements with some "touch-action:something".

Project Member Reported by ekaramad@chromium.org, Apr 16 2018 
Chrome Version: 68.0.3398.0 (Developer Build) (64-bit)
OS: Linux 64

What steps will reproduce the problem?
(1) Navigate to "data:text/html, <div style="width: 500px; height: 500px; touch-action: pan-x; border: solid;"></div>".
(2) Touch scroll along "x".
(3) Touch scroll aling "y".
(4) Touch scroll along "x".

What is the expected result?
Nothing happens.

What happens instead?
DCHECK fires.

I only tried this on Linux.

Comment 1 by ekaramad@chromium.org, Apr 16 2018

Owner: sahel@chromium.org
Status: Assigned (was: Untriaged)
Summary: DCHEK firing when touch scrolling elements with some "touch-action:something". (was: DCHEK firing when touch scrolling elements with "touch-action".)
Assigning to sahel@ who has made the most recent change to the code around DCHECK.
 
Sahel, would you be able to take a look at this, or suggest another owner? Thanks!

Comment 2 by ekaramad@chromium.org, Apr 23 2018 

This is dcheck I am hitting:

DCHECK(!is_in_gesture_scroll_[gesture_event.SourceDevice()] ||
           FlingCancellationIsDeferred());

Comment 3 by sahel@chromium.org, Apr 23 2018 

Thanks for the update, I will take a look

Comment 4 by sahel@chromium.org, May 23 2018

Mergedinto: 838616
Status: Duplicate (was: Assigned)
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