[webrtc-pc] new commits pushed by alvestrand

The following commits were just pushed by alvestrand to https://github.com/w3c/webrtc-pc:

* Fire closing event

This fires the closing event only when close was not initiated locally.

Fixes #2433
  by Harald Alvestrand

* Add period and format
  by Harald Alvestrand

* Merge pull request #2434 from w3c/fire-closing-event

Fire closing event
  by Harald Alvestrand

Received on Thursday, 30 January 2020 14:57:11 UTC