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Issue 728476 link

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Issue metadata

Status: WontFix
Owner:
Closed: Jun 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Regression



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Scroll bar no longer returns to previous position when cursor moves away from the bar

Reported by br8n03ep...@gmail.com, Jun 1 2017

Issue description

UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36

Steps to reproduce the problem:
1. Drag scroll bar with left- or middle-mouse button
2. Hold button and move cursor to the left

What is the expected behavior?
Past a certain threshold, the scroll bar should return to where it was before being dragged. Moving the cursor back into the threshold should realign the scroll bar with the cursor.

What went wrong?
The scroll bar stays in line with the cursor regardless of horizontal distance.

Did this work before? Yes 

Chrome version: 58.0.3029.110  Channel: stable
OS Version: Ubuntu MATE 16.04
Flash Version:
 
Labels: Needs-Triage-M58 Needs-Bisect
Cc: hdodda@chromium.org
Components: -UI Blink>Scroll
Labels: -Pri-2 -Needs-Bisect hasbisect-per-revision M-60 Pri-1
Owner: thomasanderson@chromium.org
Status: Assigned (was: Unconfirmed)
Tested the issue on Ubuntu 14.04 and ubuntu 16.04 using chrome stable m59 #59.0.3071.86 and M60 #60.0.3122.0 and issue is reproduced.

Issue is a regression issue broken in M56 and is reproduced only in linux.

Using the per-revision bisect providing the bisect results,
Good build: 56.0.2922.0(Revision: 432511).
Bad build: 56.0.2924.0(Revision: 433059).

You are probably looking for a change made after 432554 (known good), but no later than 432567 (first known bad).

CHANGELOG URL:

 https://chromium.googlesource.com/chromium/src/+log/94faf217e86b28190f56e29420afba0eb8c3972a..3acb088db0632abae388129760f33bdf5fbe09a2

From the CL's above, suspecting the below change and assigning the issue to the concern owner 

https://chromium.googlesource.com/chromium/src/+/fd0d31facac27b29b5c60fc41f05fd4ca8486c6a

@thomasanderson- 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.

Review-Url: https://codereview.chromium.org/2483113002

Thanks!
Cc: pkasting@chromium.org
Status: WontFix (was: Assigned)
This is expected behavior.  That CL disables scrollbar snapback

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