Adding CreatePeerConnection method that uses new PC Initialize method.

talk/app/webrtc/peerconnectioninterface.h

 /*
  * libjingle
  * Copyright 2012 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 540 matching lines @@
     int network_ignore_mask;
 
     // Sets the maximum supported protocol version. The highest version
     // supported by both ends will be used for the connection, i.e. if one
     // party supports DTLS 1.0 and the other DTLS 1.2, DTLS 1.0 will be used.
     rtc::SSLProtocolVersion ssl_max_version;
   };
 
   virtual void SetOptions(const Options& options) = 0;
 
-  virtual rtc::scoped_refptr<PeerConnectionInterface>
-      CreatePeerConnection(
-          const PeerConnectionInterface::RTCConfiguration& configuration,
-          const MediaConstraintsInterface* constraints,
-          PortAllocatorFactoryInterface* allocator_factory,
-          rtc::scoped_ptr<DtlsIdentityStoreInterface> dtls_identity_store,
-          PeerConnectionObserver* observer) = 0;
+  // TODO(deadbeef): Remove this overload of CreatePeerConnection once clients
+  // are moved to the new version.
+  virtual rtc::scoped_refptr<PeerConnectionInterface> CreatePeerConnection(
+      const PeerConnectionInterface::RTCConfiguration& configuration,
+      const MediaConstraintsInterface* constraints,
+      PortAllocatorFactoryInterface* allocator_factory,
+      rtc::scoped_ptr<DtlsIdentityStoreInterface> dtls_identity_store,
+      PeerConnectionObserver* observer) {
+    return nullptr;
+  }
+
+  // TODO(deadbeef): Make this pure virtual once it's implemented by all
+  // subclasses.
+  virtual rtc::scoped_refptr<PeerConnectionInterface> CreatePeerConnection(
+      const PeerConnectionInterface::RTCConfiguration& configuration,
+      const MediaConstraintsInterface* constraints,
+      rtc::scoped_ptr<cricket::PortAllocator> allocator,
+      rtc::scoped_ptr<DtlsIdentityStoreInterface> dtls_identity_store,
+      PeerConnectionObserver* observer) {
+    return nullptr;
+  }
 
   // TODO(hbos): Remove below version after clients are updated to above method.
   // In latest W3C WebRTC draft, PC constructor will take RTCConfiguration,
   // and not IceServers. RTCConfiguration is made up of ice servers and
   // ice transport type.
   // http://dev.w3.org/2011/webrtc/editor/webrtc.html
   inline rtc::scoped_refptr<PeerConnectionInterface>
       CreatePeerConnection(
           const PeerConnectionInterface::IceServers& servers,
           const MediaConstraintsInterface* constraints,
@@ skipping 76 matching lines @@
 CreatePeerConnectionFactory(
     rtc::Thread* worker_thread,
     rtc::Thread* signaling_thread,
     AudioDeviceModule* default_adm,
     cricket::WebRtcVideoEncoderFactory* encoder_factory,
     cricket::WebRtcVideoDecoderFactory* decoder_factory);
 
 }  // namespace webrtc
 
 #endif  // TALK_APP_WEBRTC_PEERCONNECTIONINTERFACE_H_