UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:57.0) Gecko/20100101 Firefox/57.0

Steps to reproduce the problem:
1. set the canvas 2d Context filter property to 'url(#svg_filter_id)'
2. draw something on the canvas
3. grab the canvas content (e.g toDataURL or toBlob or getImageData)

What is the expected behavior?
We should get the canvas content.

What went wrong?
The canvas has been tainted.

Did this work before? Yes unknown.

Does this work in other browsers? Yes

Chrome version:  64.0.3245.0 (Official Build) canary (64-bit)  Channel: n/a
OS Version: OS X 10.12
Flash Version: 

I don't know how to use bisect, but it didn't work in stable 61.0.3163.100 and I'm not entirely sure this is a regression actually...
 

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