Merge upstream issue #357480: Large combo-box does not scroll properly and values overlaps on each other

r170825: Only delay scrolling for FrameViews

Fix rogerwang/node-webkit#2161
passing nwsnapshot path to v8

Fix rogerwang/node-webkit#2141
Merge commit '731b9e2fbbd00dafd48699cc62b4a20308ff599a' into development10