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Regression : Unwanted glimpse of scroll bar is seen after dragging console drawer downwards in devtools.
Reported by
mni...@etouch.net,
Feb 20 2017
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Issue descriptionVersion: 58.0.3017.0 8fc480797adb8b57f4dada238f2d85c0fe42115b-refs/heads/master@{#451476} OS: Windows (7,8,8.1,10),Linux (14.04 LTS),Mac OS X(10.10.5, 10.11.4) What steps will reproduce the problem? 1. Launch chrome, navigate to NTP and open devtools. 2. Now press 'Esc' key to open 'Console' drawer and select 'Remote Devices' by clicking on 'iron icon' 3. Now click on 'Remote Target' option and slowly drag the console drawer downwards,observe Actual: Unwanted glimpse of scroll bar is seen after dragging console drawer downwards Expected: Unwanted glimpse of scroll bar should not be seen after dragging console drawer downwards This is regression issue, broken in ‘M 58’ and will soon update other info : Good build:58.0.3005.2 Bad build: 58.0.3006.0
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Feb 20 2017
Adding RB Label as this is a recent Regression. Please remove if not required. Thank You.
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Feb 27 2017
@szager -- Gentle remainder. Could you please look into the issue and provide an update. Thank You.
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Mar 8 2017
This is a recurring problem in chromium, which doesn't have a comprehensive fix in the current implementation. See this code comment for an explanation: https://cs.chromium.org/chromium/src/third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.cpp?l=910 I would like to point out that in this particular case, the css is a bit weird; the tree looks like this: <div class="widget vbox device-view"> <!-- this has overflow:auto --> <div class="hbox device-text-row"> ... <div class="device-browser-list vbox"> <!-- this has overflow:auto --> It doesn't seem quite right that the device-browser-list should have scrollbars. Removing the overflow:auto on that class makes the problem go away. cc dgozman to look at the css.
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Mar 8 2017
Issue 696426 has been merged into this issue.
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Mar 8 2017
I don't think this specific symptom in device-browser-list is a problem for DevTools worth fixing. I am not an expert in overflow and scrolling to judge from the implementation/spec point of view. Note that if this changed DevTools layout, similar could happen to web sites in the wild, so it might be worth to double check whether that's intended.
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Mar 17 2017
mnikam@ Is this bug still reproducible in latest M58 Beta?
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Mar 20 2017
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Mar 21 2017
No longer reproduces; marking WontFix. |
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Comment 1 by kkaluri@chromium.org
, Feb 20 2017Labels: hasbisect-per-revision
Owner: szager@chromium.org
Status: Assigned (was: Unconfirmed)