Blink will not use vendor prefixes. Instead you'll need to enable experimental features in the browser configuration.
See: http://www.chromium.org/blink#vendor-prefixes http://www.quirksmode.org/blog/archives/2013/04/blink.html
Mozilla (Firefox) are doing something similar too: http://lists.w3.org/Archives/Public/public-webapps/2012OctDec/0731.html