Choose webkitTransform before transform, because Chrome 36 will use webkitTransform if both are present.
Merge branch 'use_webkit_transform' into favourites
Revert "Cache decomposed matrices, similar to the way it is done in the fallback case"

This reverts commit 60e7a1b036e998931e2e3221d6047ed320f21c35.
Revert "Interpolate matrix pairs via decomposition; break out for mismatched pairs"

This reverts commit b489d135a6b314c4ff31217f5c394a8c08e812b4.