Chrome version : 66.0.3359.170 (Official Build) 30c511add11ae3d417d1ca5e010152fce57fa128-refs/branch-heads/3359@{#814} (32/64-bit) 

OS : Mac(10.12.6,10.13.1,10.13.5),Windows(7,8,8.1,10) and Linux(14.04 LTS) OS.

Steps to reproduce:
1. Launch chrome ,open devtools and go to element section.
2. Press ctrl+f (i.e to open 'find in page' textbox) and enter some text in textbox.
3. Now press ctrl+x (i.e perform 'cut' action) ,press crtl+z (i.e perform 'undo' action) and observe.

Actual Result: In Element section,text does not appear in textbox after performing ctrl+x command on 'find in page' textbox..
Expected Result: In Element section, text should appear in textbox after pressing ctrl+z command.

This is a regression issue broken in ‘M-65’ and using the per-revision bisect providing the bisect results,
Good build: 65.0.3323.0(Revision: 557063)
Bad build: 65.0.3324.0(Revision : 557428)

You are probably looking for a change made after 530005 (known good), but no later than 530006 (first known bad).

CHANGELOG 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/0df2f5441276d78d86a5936f3640f34374cc89d6..ed9388054c24171adc1c1ac5e9795f1832e8f179

Suspect: https://chromium.googlesource.com/chromium/src/+/ed9388054c24171adc1c1ac5e9795f1832e8f179

@pfeldman: 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: Actual_result.mp4 1.0 MB

	Actual_result.mp4 1.0 MB View Download

Deleted: Expected_result.mp4 812 KB

	Expected_result.mp4 812 KB View Download