src: accept download by default
src: accept download by default

https://github.com/nwjs/chromium.src/commit/0ec92a3a146221c464595c87266c3cba15f7fa07

nwjs/nw.js,nwjs/nw.js,nwjs/nw.js,nwjs/nw.js,nwjs/nw.js,nwjs/nw.js