Add support for GCM cipher suites from RFC 7714.

talk/app/webrtc/peerconnectionfactory.h

 /*
  * libjingle
  * Copyright 2011 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 33 matching lines @@
 class BasicPacketSocketFactory;
 }
 
 namespace webrtc {
 
 typedef rtc::RefCountedObject<DtlsIdentityStoreImpl>
     RefCountedDtlsIdentityStore;
 
 class PeerConnectionFactory : public PeerConnectionFactoryInterface {
  public:
-  virtual void SetOptions(const Options& options) {
-    options_ = options;
-  }
+  void SetOptions(const Options& options) override;
 
   // webrtc::PeerConnectionFactoryInterface override;
   // TODO(deadbeef): Get rid of this overload once clients are moved to the
   // new version.
   rtc::scoped_refptr<PeerConnectionInterface>
       CreatePeerConnection(
           const PeerConnectionInterface::RTCConfiguration& configuration,
           const MediaConstraintsInterface* constraints,
           PortAllocatorFactoryInterface* allocator_factory,
           rtc::scoped_ptr<DtlsIdentityStoreInterface> dtls_identity_store,
@@ skipping 68 matching lines @@
       video_decoder_factory_;
   rtc::scoped_ptr<rtc::BasicNetworkManager> default_network_manager_;
   rtc::scoped_ptr<rtc::BasicPacketSocketFactory> default_socket_factory_;
 
   rtc::scoped_refptr<RefCountedDtlsIdentityStore> dtls_identity_store_;
 };
 
 }  // namespace webrtc
 
 #endif  // TALK_APP_WEBRTC_PEERCONNECTIONFACTORY_H_