Stop all PeerConnections upon suspend from Blink side

content/renderer/media/peer_connection_tracker.cc

Index: content/renderer/media/peer_connection_tracker.cc
diff --git a/content/renderer/media/peer_connection_tracker.cc b/content/renderer/media/peer_connection_tracker.cc
index 5476f115bcb7b2093fe5801dafb61cc36da4333f..7d997430c150f9538b946c895548034824b93ec8 100644
--- a/content/renderer/media/peer_connection_tracker.cc
+++ b/content/renderer/media/peer_connection_tracker.cc
@@ -301,7 +301,7 @@ void PeerConnectionTracker::OnGetAllStats() {
 void PeerConnectionTracker::OnSuspend() {
   for (PeerConnectionIdMap::iterator it = peer_connection_id_map_.begin();
        it != peer_connection_id_map_.end(); ++it) {
-    it->first->stop();
+    it->first->CloseClientPeerConnection();
   }
 }