Chrome version : 69.0.3497.53 (Official Build) b9e41b5b5522039b2d6bce08ae7ed6f375b0c54e-refs/branch-heads/3497@{#759}(32/64-bit) 

OS :Win(7,8,8.1,10) ,Mac(10.12.6 , 10.13.1 , 10.13.6, 10.14)  and Linux(14.04 LTS)  OS

Test URL: https://www.khronos.org/registry/webgl/sdk/demos/google/san-angeles/index.html

Steps to reproduce:
1. Launch chrome and navigate to  above link.
2. Now kill GPU process from task manager and observe.

Actual Result: Error message is not seen after killing GPU process.
Expected Result: Error message should be seen after killing GPU process.

This is a regression issue broken in ‘M-67’ and below is bisect info.
Good build:  67.0.3395.0
Bad build:  67.0.3396.0

You are probably looking for a change made after 550402 (known good), but no later than 550403 (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/5f8a9f95b29d079c62ad37be39c3314c5bc899a7..954ed9ceb26067a267165e440bd863f74820ddef

Suspect: https://chromium.googlesource.com/chromium/src/+/954ed9ceb26067a267165e440bd863f74820ddef

@kbr: 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 584 KB

	Actual result.mp4 584 KB View Download

Deleted: Expected Result.mp4 572 KB

	Expected Result.mp4 572 KB View Download