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Issue metadata

Status: Fixed
Owner:
Closed: May 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Android
Pri: 3
Type: Bug-Regression



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Scrollbars don't appear in Android canary

Project Member Reported by bokan@chromium.org, Mar 9 2017

Issue description

Chrome Version: 59.0.3036.0
OS: Android

What steps will reproduce the problem?
(1) Visit any scrollable page (e.g. reddit.com)
(2) Scroll

What is the expected result?
Scrollbars should appear

What happens instead?
Scrollbars do not appear
 
Cc: chaopeng@chromium.org
Owner: pdr@chromium.org
pdr@

I located this issue is from your CL: a20ad732333dc9db2b545886acd16a11abdc5842 Remove indirection: setup scrollbar scroll layers in the scrollbar constructor


Comment 2 by pdr@chromium.org, Mar 9 2017

Somehow we are drawing less and managing to to it slower ( crbug.com/699705 ). Quite the regression!

This has been rolled out though we do not know the root cause yet. May be related to 699504.
More information:

I found LayerTreeImpl::UpdateScrollbars,

in this line:
for (ScrollbarLayerImplBase* scrollbar : ScrollbarsFor(scroll_layer_id)) {

ScrollbarsFor does not return scrollbars as before.

Comment 4 by bokan@chromium.org, Mar 9 2017

Labels: -Pri-1 -ReleaseBlock-Dev Pri-3
-release block and priority since the CL has been reverted in ToT

Comment 5 by pdr@chromium.org, May 4 2017

Status: Fixed (was: Assigned)
Original patch was reverted.

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