commit fdad635b877a148c474ba5c4d955be64c0297704
author korniltsev.anatoly <korniltsev.anatoly@gmail.com> Tue Jul 25 00:00:25 2017
committer Commit Bot <commit-bot@chromium.org> Tue Jul 25 00:00:25 2017
tree 7255caead71ff3dc88915851b0d8eb5a13f05b8b
parent 06674765014e714238006efda86ab2d07125358b

When a track is added/removed directly to MediaStream notify observer->OnRenegotionNeeded

There is an inconsistency in behavior of PeerConnection.
When I remove track from PeerConnection observer->OnRenegotiationNeeded is called, however if I remove track from MediaStream then there is no notification to renegotiate.
This patch adds missing OnRenegotiationNeeded calls.

BUG=webrtc:7966

Review-Url: https://codereview.webrtc.org/2977493002
Cr-Original-Commit-Position: refs/heads/master@{#19125}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: ec390b5dfbadb9972e4fafa36226d1724c6c2204