Chrome Version:72.0.3610.2 (Official Build) d1388eea987cd8f0f0e28b3570cded07eebae848-refs/branch-heads/3610@{#8}(32/64 bit)

OS:  Win(7,8,8.1,10),Mac(10.13.1 , 10.13.6 , 10.14.2)  and Linux(14.04 LTS)

Steps to reproduce:
1. Launch chrome and open devtools on NTP.
2. Go to 'Performance' section and click on 'Reload' button.
3. Now click on 'Frames' and scroll the scrollbar using mouse.
4. Observe.

Actual  : Unable to drag scrollbar to bottom using mouse in performance section of devtools.
Expected: Should be able to drag scrollbar to bottom using mouse in performance section of devtools.

This is Regression issue seen in M-68, and will soon update other info.
Good Build: 68.0.3410.0
Bad Build: 68.0.3413.0

Unable to provide 'per-revision' bisect as it shows "RuntimeError : We don't have enough builds to bisect..." error message for above range. 
Hence provided suspect through 'Chromium bisect'.
  
You are probably looking for a change made after 554578 (known good), but no later than 554598 (first known bad).

CHANGELOG URL:

https://chromium.googlesource.com/chromium/src/+log/c0ea9aab2deebf7f1ad5336c17d1674b8046bbc3..7ef54b66c6d1001218a13cafd2e9fdf3c7567a49

Suspecting: https://chromium.googlesource.com/chromium/src/+/12ebbf1bc21ecf9a08f256755b1a18bea65f6420

@alph: Could you please look into the issue, pardon me if it has nothing to do with your changes and if possible please assign it to concern owner.

Thank You

 

Deleted: Expected Result.mp4 491 KB

	Expected Result.mp4 491 KB View Download

Deleted: Actual Result.mp4 510 KB

	Actual Result.mp4 510 KB View Download