Close all active PeerConnections upon OS suspend (relanding r290125 and r291213)

content/renderer/media/rtc_peer_connection_handler.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/media/rtc_peer_connection_handler.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 764 matching lines @@
     webrtc::PeerConnectionInterface::StatsOutputLevel level) {
   TRACE_EVENT0("webrtc", "RTCPeerConnectionHandler::GetStats");
   if (!native_peer_connection_->GetStats(observer, track, level)) {
     DVLOG(1) << "GetStats failed.";
     // TODO(hta): Consider how to get an error back.
     observer->OnComplete(StatsReports());
     return;
   }
 }
 
+void RTCPeerConnectionHandler::CloseClientPeerConnection() {
+  client_->closePeerConnection();
+}
+
 blink::WebRTCDataChannelHandler* RTCPeerConnectionHandler::createDataChannel(
     const blink::WebString& label, const blink::WebRTCDataChannelInit& init) {
   DVLOG(1) << "createDataChannel label " << base::UTF16ToUTF8(label);
 
   webrtc::DataChannelInit config;
   // TODO(jiayl): remove the deprecated reliable field once Libjingle is updated
   // to handle that.
   config.reliable = false;
   config.id = init.id;
   config.ordered = init.ordered;
@@ skipping 202 matching lines @@
   webrtc::SessionDescriptionInterface* native_desc =
       dependency_factory_->CreateSessionDescription(type, sdp, error);
 
   LOG_IF(ERROR, !native_desc) << "Failed to create native session description."
                               << " Type: " << type << " SDP: " << sdp;
 
   return native_desc;
 }
 
 }  // namespace content