UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/63.0.3239.84 Chrome/63.0.3239.84 Safari/537.36

Steps to reproduce the problem:
1. Make a very simple web page using Google Roboto font (see example here : https://jsfiddle.net/8Lrw5qx6/
2. Open the page. The font is correctly rendered (Roboto)
3. Open DevTools panel and make some refresh (clear cache and force refresh)
4. The Roboto font is now rendering as DejaVu font (see screenshot)

What is the expected behavior?
The text must be always rendered as Roboto.

What went wrong?
The problem seems not occur if DevTools is not open. If DevTools is open, the text is displayed with the correct font the first times (Roboto) and with incorrect font next times (DejaVu). The computed font is always correct (Roboto). The only way to go back to a normal situation is to clear browser cache...

Did this work before? N/A 

Chrome version: 63.0.3239.84  Channel: stable
OS Version: 16.04.3 LTS
Flash Version: 

Seems to be Linux specific, can't be reproduced on Windows platform.
 

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