UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.87 Safari/537.36

Example URL:
https://jsbin.com/cetilumexi/edit?js,console

Steps to reproduce the problem:
1. Go to https://jsbin.com/cetilumexi/edit?js,console
2. Press "Run"

What is the expected behavior?
The renderedBuffer of the OfflineAudioContext should contain ones.

What went wrong?
The renderedBuffer of the OfflineAudioContext contains no values (aka zeros).

Did this work before? N/A 

Is it a problem with Flash or HTML5? HTML5

Does this work in other browsers? No Edge (13) Firefox (45) Opera (36) Safari (9.0.3) 

Chrome version: 49.0.2623.87  Channel: stable
OS Version: OS X 10.11.3
Flash Version: none

This bug might be related to https://bugs.chromium.org/p/chromium/issues/detail?id=374339. As far as I understand the comments it will never get fixed.