Chrome Version: 71.0.3578.94 (Official Build) (64-bit)
Chrome OS Version: 11151.59.0 (Official Build) stable-channel nocturne
Chrome OS Platform: Pixel Slate

What steps will reproduce the problem?
(1) Drag the resize handle of a textarea with your finger.

What is the expected result?
Textarea resizes.

What happens instead?
Page scrolls.