New PeerConnection handler in Chrome to support latest PeerConnection draft

content/renderer/media/peer_connection_handler_base.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_PEER_CONNECTION_HANDLER_BASE_H_
 #define CONTENT_RENDERER_MEDIA_PEER_CONNECTION_HANDLER_BASE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 12 matching lines @@
 class CONTENT_EXPORT PeerConnectionHandlerBase
     : NON_EXPORTED_BASE(public webrtc::PeerConnectionObserver) {
  public:
   PeerConnectionHandlerBase(
       MediaStreamDependencyFactory* dependency_factory);
 
  protected:
   virtual ~PeerConnectionHandlerBase();
 
   void AddStream(const WebKit::WebMediaStreamDescriptor& stream);
+  bool AddStream(const WebKit::WebMediaStreamDescriptor& stream,
+                 const webrtc::MediaConstraintsInterface* constraints);
   void RemoveStream(const WebKit::WebMediaStreamDescriptor& stream);
   WebKit::WebMediaStreamDescriptor CreateWebKitStreamDescriptor(
       webrtc::MediaStreamInterface* stream);
 
   // dependency_factory_ is a raw pointer, and is valid for the lifetime of
   // MediaStreamImpl.
   MediaStreamDependencyFactory* dependency_factory_;
 
   // native_peer_connection_ is the native PeerConnection object,
   // it handles the ICE processing and media engine.
   talk_base::scoped_refptr<webrtc::PeerConnectionInterface>
       native_peer_connection_;
 
   typedef std::map<webrtc::MediaStreamInterface*,
                    WebKit::WebMediaStreamDescriptor> RemoteStreamMap;
   RemoteStreamMap remote_streams_;
 
   // The message loop we are created on and on which to make calls to WebKit.
   // This should be the render thread message loop.
   scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
 
   DISALLOW_COPY_AND_ASSIGN(PeerConnectionHandlerBase);
 };
 
 #endif  // CONTENT_RENDERER_MEDIA_PEER_CONNECTION_HANDLER_BASE_H_