This question already has an answer here:
I recently asked this question: How to enable more than 2 finger support in Chrome?
The question asked (tl;dr version):
Which only merited one answer, very quickly after the question was asked.
Try to use HammerJS, it supports multitouch:
This answer does not attempt to answer the question at all. It should have been a comment of something I might look into to try and resolve the issue. However, it does not answer the question of "Can Chrome does this? And how?" Additionally, it was a low-quality, link-only answer with no explanation or examples. It fails two pieces of criteria for a decent answer.
I flagged the question as "Not an answer" and it was declined. I believe strongly that the flag should have been accepted and the answer removed. Please advise.