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Issue 653033 link

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Issue metadata

Status: Duplicate
Merged: issue 688947
Owner:
Last visit > 30 days ago
Closed: Jun 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Mac
Pri: 2
Type: Bug-Regression



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Regression : Weird behavior (i.e very slow auto scrolling) of page is seen after clicking on ‘Reset’ option under ‘Main menu’ side bar in md-settings.

Reported by yfulgaon...@etouch.net, Oct 5 2016

Issue description

Chrome Version : 55.0.2881.0 (Official Build) 6b08cd23a5bbe4e1d95bb7e0431fc743e6b0180c-refs/heads/master@{#423030} (32/64-bit)
OS: Mac(10.10.5)(10.11.5), Windows(7,8,8.1,10), Linux(14.04 LTS)

What steps will reproduce the problem?
1. Launch chrome and navigate to chrome://md-settings page.
2. Under ‘Appearance’ section, change ‘Font size’ to “Very small” and ‘Page zoom’ to “125%”.
3. Now click on ‘Main menu’ icon seen at top LHS and select ‘Reset’ option, observe the page.

Actual : Weird behavior (i.e very slow auto scrolling) of page is seen after clicking on ‘Reset’ under ‘Main menu’ side bar.
Expected : No such behavior should be seen on page after clicking on ‘Reset’ under ‘Main menu’ side bar

This is a regression issue broken in ‘M-55’, below is the Manual Regression and will soon update bisect info.
Good build : 55.0.2862.0
Bad build : 55.0.2863.0
 
Actual_result.mov
4.6 MB Download
Expected_result.mov
4.8 MB Download
Note : This is resolution specific issue and only reproducible on machines having 1280 X 1024 display resolution.
Correction in steps,

1. Launch chrome and navigate to chrome://md-settings page.
2. Under ‘Appearance’ section, change ‘Font size’ to “Very small” and ‘Page zoom’ to “125%”.
3. Now click on ‘Main menu’ icon seen at top LHS, click on 'Advanced' and select ‘Reset’ option.
4. Click on 'Reload' button and observe the page.
Cc: hcarmona@chromium.org michae...@chromium.org
Owner: dbeam@chromium.org
Status: Assigned (was: Unconfirmed)
[mac triage] picking some random md-settings folks for further triage
Cc: flackr@chromium.org tsergeant@chromium.org
Narrow Bisect : 
https://chromium.googlesource.com/chromium/src/+log/40bd1311dbc166c6e6ba0cea825d0f9425308127..b59bc78ac4e434d27af632d0c70b192dd9c5a5c4?pretty=fuller&n=10000

Suspecting: r 419058 or 419064 ? from Narrow Bisect

@tsergeant : Please help to re-assign if your change is not the cause for this issue.

Comment 5 by dbeam@chromium.org, Oct 11 2016

Owner: dschuyler@chromium.org
are either of your md-settings changes in the bisect related?
It's possible that https://codereview.chromium.org/2338163004/ is related.
Owner: xiaoche...@chromium.org
After looking at this further, my guess is that it's something lower level.
The need for the font size, render scaling, and a specific screen resolution make me think this is related to layout or rendering.

xiaochengh@, could this CL have brought this about
https://codereview.chromium.org/2341053002
Owner: dschuyler@chromium.org
https://codereview.chromium.org/2341053002 is a renaming of some functions and shouldn't change any behavior.
Mergedinto: 688947
Status: Duplicate (was: Assigned)

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