Hey!
I opened Chromium manually and this pop-up was showing up:
http://www.imgdumper.nl/uploads7/531a10951f51b/531a10951ce02-Naamloos.png
Certainly FP?
https://www.virustotal.com/nl/file/b038b61053d95c5c22192f6cf625b2d3a2f7432b548035132122e1cc09c6b5a5/analysis/1394217247/
http://r.virscan.org/report/0057285b84ef5444caaea177eb80205f.html