Example URL:

Steps to reproduce the problem:
1. Initiate a WebRTC call (audio playing in speaker)
2. While in WebRTC call receive/initiate Cellular Call.
3. End the Cellular call
4. Listen to WebRTC call

Observation:-
 Audio started playing in earpiece

What is the expected behavior?
WebRTC audio to be played back to normal speaker.

What went wrong?
Audio routing got updated to Earpiece after Cellular call

Did this work before? N/A 

Is it a problem with Flash or HTML5? HTML5

Does this work in other browsers? N/A

Chrome version: 54.0.2840.99  Channel: stable
OS Version: 5.0
Flash Version: 

This is observed in 53 Stable release also