UserAgent: Mozilla/5.0 (X11; CrOS x86_64 10323.62.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.184 Safari/537.36
Platform: 10323.62.0 (Official Build) stable-channel eve

Steps to reproduce the problem:
1. Scroll a frame within a web app (Hangouts Chat, Gmail) 

What is the expected behavior?
Scrolling works.

What went wrong?
Scrolling does not work until you close and re-open the window. 

Did this work before? Yes 64

Chrome version: 65.0.3325.184  Channel: stable
OS Version: 10323.62.0
Flash Version: 29.0.0.113 

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