Chrome Version: 73.0.3671.0 (Official Build) d2dfa7d40588461802e7e6dca7d86b583060eda9-refs/branch-heads/3671@{#1} (32/64 Bit).

OS: Windows(7,8,8.1,10), Mac(10.13.1, 10.13.6, 10.14.3), Linux(14.04 LTS).

Test URL: https://mounirlamouri.github.io/sandbox/media/dynamic-controls.html

What steps will reproduce the problem?
1. Launch chrome and Navigate to the above URL and select 'Audio' from options.
2. Now, drag video progress bar to the fullest.
3. Change width to '800' and observe progress bar.

Actual Result: Progress bar does not meet scrubber dot when width is modified to '800'.
Expected Result: Progress bar should meet scrubber dot when modifying width to '800'

This is a regression issue broken in M-72 and below is the bisect info:
Good Build : 72.0.3596.0(Revision : 603701)
Bad Build : 72.0.3597.0(Revision : 604362)

You are probably looking for a change made after 604173 (known good), but no later than 604174 (first known bad).

CHANGE-LOG URL:

The script might not always return single CL as suspect as some perf builds might get missing due to failure.

https://chromium.googlesource.com/chromium/src/+log/bb76e2f3f708e095a81e5b777f3ab3034cf66678..e70b5b06140f678b56203ec2eb271b7b027f3667

Suspect: https://chromium.googlesource.com/chromium/src/+/e70b5b06140f678b56203ec2eb271b7b027f3667

jazzhsu@ : 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.

Note:
1. Issue is also seen on Beta #	72.0.3626.53 and Dev #73.0.3664.3 build.

Kindly refer the screen cast for reference

Thank You!
 

Deleted: Actual Result.mp4 511 KB

	Actual Result.mp4 511 KB View Download

Deleted: Expected Result.mp4 333 KB

	Expected Result.mp4 333 KB View Download