Z scaled elements don't affect scrolling (overflow: scroll)

This test transforms an element "into the screen" along the z-axis and then scales it back up to its original size. The scaled element shouldn't affect scrolling or the parent element.

Bug reports

• Chromium #500573

Example

User-scrollable

The following area should not be scrollable. (i.e. using the mouse)

Script scrollable

The following area should not be scrollable using JavaScript.