Switching some interfaces to use std::unique_ptr<>.

webrtc/examples/peerconnection/client/conductor.h

 /*
  *  Copyright 2012 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_EXAMPLES_PEERCONNECTION_CLIENT_CONDUCTOR_H_
 #define WEBRTC_EXAMPLES_PEERCONNECTION_CLIENT_CONDUCTOR_H_
 #pragma once
 
 #include <deque>
 #include <map>
+#include <memory>
 #include <set>
 #include <string>
 
 #include "webrtc/api/mediastreaminterface.h"
 #include "webrtc/api/peerconnectioninterface.h"
 #include "webrtc/examples/peerconnection/client/main_wnd.h"
 #include "webrtc/examples/peerconnection/client/peer_connection_client.h"
 
 namespace webrtc {
 class VideoCaptureModule;
@@ skipping 24 matching lines @@
   virtual void Close();
 
  protected:
   ~Conductor();
   bool InitializePeerConnection();
   bool ReinitializePeerConnectionForLoopback();
   bool CreatePeerConnection(bool dtls);
   void DeletePeerConnection();
   void EnsureStreamingUI();
   void AddStreams();
-  cricket::VideoCapturer* OpenVideoCaptureDevice();
+  std::unique_ptr<cricket::VideoCapturer> OpenVideoCaptureDevice();
 
   //
   // PeerConnectionObserver implementation.
   //
 
   void OnSignalingChange(
       webrtc::PeerConnectionInterface::SignalingState new_state) override{};
   void OnAddStream(
       rtc::scoped_refptr<webrtc::MediaStreamInterface> stream) override;
   void OnRemoveStream(
@@ skipping 55 matching lines @@
       peer_connection_factory_;
   PeerConnectionClient* client_;
   MainWindow* main_wnd_;
   std::deque<std::string*> pending_messages_;
   std::map<std::string, rtc::scoped_refptr<webrtc::MediaStreamInterface> >
       active_streams_;
   std::string server_;
 };
 
 #endif  // WEBRTC_EXAMPLES_PEERCONNECTION_CLIENT_CONDUCTOR_H_