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

content/renderer/media/rtc_peer_connection_handler.h

 // 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.
 
 #ifndef CONTENT_RENDERER_MEDIA_RTC_PEER_CONNECTION_HANDLER_H_
 #define CONTENT_RENDERER_MEDIA_RTC_PEER_CONNECTION_HANDLER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 167 matching lines @@
 
   // Delegate functions to allow for mocking of WebKit interfaces.
   // getStats takes ownership of request parameter.
   virtual void getStats(LocalRTCStatsRequest* request);
 
   // Calls GetStats on |native_peer_connection_|.
   void GetStats(webrtc::StatsObserver* observer,
                 webrtc::MediaStreamTrackInterface* track,
                 webrtc::PeerConnectionInterface::StatsOutputLevel level);
 
+  // Tells the |client_| to close RTCPeerConnection.
+  void CloseClientPeerConnection();
+
   PeerConnectionTracker* peer_connection_tracker();
 
  protected:
   webrtc::PeerConnectionInterface* native_peer_connection() {
     return native_peer_connection_.get();
   }
 
  private:
   webrtc::SessionDescriptionInterface* CreateNativeSessionDescription(
       const blink::WebRTCSessionDescription& description,
@@ skipping 25 matching lines @@
   RemoteStreamMap remote_streams_;
   scoped_refptr<webrtc::UMAObserver> uma_observer_;
   base::TimeTicks ice_connection_checking_start_;
 
   DISALLOW_COPY_AND_ASSIGN(RTCPeerConnectionHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_RTC_PEER_CONNECTION_HANDLER_H_