UserAgent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36

Steps to reproduce the problem:
1. run chrome with scale (high dpi monitor/ use Emulation.setDeviceMetricsOverride)
2. start screen image recording using Page.startScreencast 
3. produced Images are wrong size

What is the expected behavior?
get image of the entire chrome window

What went wrong?
the images are reduced in size according to the scale factor

Did this work before? N/A 

Chrome version: 58.0.2993.0  Channel: canary
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: 

attached gif showing the issue.
attached NodeJS code used to produce the gif.

to use the NodeJS code, run chrome with "--remote-debugging-port=9222"
and install 'npm install chrome-remote-interface
'

also reproduced on linux and mac
the issue seems similar to
https://bugs.chromium.org/p/chromium/issues/detail?id=611799

Thanks
 

Deleted: Jan 26 2017 5-17 PM.gif 870 KB

	Jan 26 2017 5-17 PM.gif 870 KB View Download

Deleted: main.js 983 bytes

main.js 983 bytes View Download