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Issue metadata

Status: WontFix
Owner:
Closed: Dec 2016
Components:
EstimatedDays: ----
NextAction: ----
OS: All
Pri: 3
Type: Bug



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Histogram: Renderer4.MainThreadWheelScrollReason cannot catch certain scrolling

Project Member Reported by yigu@chromium.org, Nov 16 2016

Issue description

Version: 56.0.2922.0 (64-bit)
OS: Chromium

What steps will reproduce the problem?

(1) Build Chromium
(2) Visit chrome://histograms/ in a new tab and search for MainThreadWheelScrollReason
(3) Visit http://output.jsbin.com/micomazipi and scroll

What is the expected result?

When scrolling through a webpage, either reason 0 or reason x (in this case reason 6)should be increased to indicate that whether the scrolling is handled by main thread or not.

What happens instead?

None of the reasons increases.
 
Please use labels and text to provide additional information.

 

Comment 1 Deleted

Comment 2 by yigu@chromium.org, Nov 16 2016

Description: Show this description

Comment 3 by yigu@chromium.org, Nov 16 2016

Labels: -OS-Linux OS-All

Comment 4 by flackr@chromium.org, Nov 16 2016

Components: -Blink>Compositing Internals>Input
Status: Assigned (was: Untriaged)

Comment 5 by yigu@chromium.org, Dec 2 2016

Status: WontFix (was: Assigned)
It's confirmed as a side-effect of how chrome://histograms page now behaves. 
https://groups.google.com/a/chromium.org/forum/#!searchin/chromium-dev/chrome$3A$2F$2Fhistograms$20not$20working%7Csort:relevance/chromium-dev/fDhpPIKJLzk/j0BkAhhaDgAJ

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