There's more discussion if you follow the link to the relevant Chromium issue at the bottom of the page. In particular it doesn't seem malicious and actually it

There's more discussion if you follow the link to the relevant Chromium issue at the bottom of the page. In particular it doesn't seem malicious and actually it's only started on demand. https://code.google.com/p/chromium/issues/detail?id=498272 https://code.google.com/p/chromium/issues/detail?id=498272