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Issue 696426 link

Starred by 2 users
Status: Duplicate
Merged: issue 694110
Owner:
szager@chromium.org
Closed: Mar 2017
Cc:
ajha@chromium.org
█ kavvaru@chromium.org
█ brajkumar@chromium.org
dgozman@chromium.org
alph@chromium.org
█ durga.behera@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows
Pri: 1
Type: Bug-Regression



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Regression: Scrollbar flickers in Memory section when devtools is docked to bottom.

Project Member Reported by sc00335...@techmahindra.com, Feb 27 2017 
Chrome Version: 58.0.3024.0 dev
OS: Ubuntu 14.04,Windows

What steps will reproduce the problem?
(1)Launch chrome,Open devtools and dock to bottom
(2)Go to Memory section and load below heapprofile. 
(3)Now drag devtools to bottom and observe scrollbars while dragging. 

Actual: Unwanted flickering of both horizontal and vertical scrollbar is seen.
Expected: No horizontal scrollbar should be seen and no flickering of those should be seen.

This is a regression issue broken in M58.

Good Build: 58.0.3007.0 dev
Bad Build: 58.0.3008.0 dev

NOTE: Issue is seen in windows when divider line beside profile is dragged to left.
Actual_Memory.ogv
2.9 MB View Download
Expected_Memory.ogv
2.2 MB View Download

Comment 1 by sc00335...@techmahindra.com, Feb 27 2017 

Attaching sample .heapprofile file..
Heap-20170227T121929.heapprofile
133 bytes Download

Comment 2 by ajha@chromium.org, Feb 27 2017

Labels: ReleaseBlock-Stable
Status: Untriaged (was: Unconfirmed)
Able to observe the behavior on Linux Ubuntu 14.04 using chrome version: 58.0.3025.0. No scroll bar seen, dragging Devtools to the bottom on Mac OS 10.12.3 on the latest canary(58.0.3025.0)

Comment 3 by brajkumar@chromium.org, Feb 27 2017

Labels: -Needs-Bisect hasbisect-per-revision
Owner: alph@chromium.org
Status: Assigned (was: Untriaged)
Bisect Information:
---------------------
Using the per-revision bisect providing the bisect results,

You are probably looking for a change made after 449438 (known good), but no later than 449500 (first known bad).

CHANGE-LOG URL:
-----------------
https://chromium.googlesource.com/chromium/src/+log/ffefd4173f178d76449fc51f5dc22bfd7e120e03..18e2d51bf90c1c88b1f8c5ed0cde3147ba7dda28

From the CL above, assigning the issue to the concern owner
Review-Url: https://codereview.chromium.org/2682123004

alph@ Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner.

Thanks!

Comment 4 by kkaluri@chromium.org, Mar 6 2017

Labels: Needs-Feedback
Unable to reproduce this issue on mac 10.12.3 with chrome version #59.0.3032.0

Attaching the screen-cast for your reference.

sc00335628@ could you please look into it and confirm this...

Thank You...
Issue 696426.mp4
1.3 MB View Download

Comment 5 by sc00335...@techmahindra.com, Mar 6 2017

Labels: -Needs-Feedback
With respect to comment#4: Issue is seen in Linux and Windows with #59.0.3032.0 dev.

Comment 6 by alph@chromium.org, Mar 6 2017

Mergedinto: 681467
Status: Duplicate (was: Assigned)
Should be fixed already.

Comment 7 by sc00335...@techmahindra.com, Mar 7 2017

Status: Assigned (was: Duplicate)
W.r.t comment#6: https://bugs.chromium.org/p/chromium/issues/detail?id=681467 is already fixed in latest dev. But this issue [696426] is still reproducible on latest dev. Hence re- opening this issue. Attaching screencast for reference.

Please change if any..

Thanks!
Actual_memory scroll.ogv
3.4 MB View Download

Comment 8 by alph@chromium.org, Mar 7 2017

Cc: alph@chromium.org
Components: -Platform>DevTools Blink>Layout>Scrollbars
Owner: ----
Status: Untriaged (was: Assigned)
Can repro. This seems to be a scrollbars layout issue.

Comment 9 by e...@chromium.org, Mar 8 2017

Owner: szager@chromium.org
Status: Assigned (was: Untriaged)

Comment 10 by szager@chromium.org, Mar 8 2017

Mergedinto: -681467 694110
Status: Duplicate (was: Assigned)

Comment 11 by szager@chromium.org, Mar 8 2017

Cc: dgozman@chromium.org
Just as in  issue #694110 , I think the problem here is too much overflow:auto in combination with lots of flexbox.  Here's the dom:

<div class="profiles-sidebar-tree-box">    <!-- this has overflow-y:auto -->
  #shadow-root
    <div class="tree-outline-disclosure">
      <ol class="tree-outline">            <!-- this has overflow:auto -->

It doesn't make any sense for both of those elements to have overflow:auto.  Probably, the tree-outline should not have it.

cc dgozman for inspector css.
►

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