[blink] Unique pointers in Platform.h

content/renderer/media/webrtc/peer_connection_dependency_factory.cc

 // Copyright 2014 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.
 
 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
 
 #include <stddef.h>
 
 #include <utility>
 #include <vector>
@@ skipping 99 matching lines @@
       chrome_signaling_thread_("Chrome_libJingle_Signaling"),
       chrome_worker_thread_("Chrome_libJingle_WorkerThread") {
   TryScheduleStunProbeTrial();
 }
 
 PeerConnectionDependencyFactory::~PeerConnectionDependencyFactory() {
   DVLOG(1) << "~PeerConnectionDependencyFactory()";
   DCHECK(!pc_factory_);
 }
 
-blink::WebRTCPeerConnectionHandler*
+std::unique_ptr<blink::WebRTCPeerConnectionHandler>
 PeerConnectionDependencyFactory::CreateRTCPeerConnectionHandler(
     blink::WebRTCPeerConnectionHandlerClient* client) {
   // Save histogram data so we can see how much PeerConnetion is used.
   // The histogram counts the number of calls to the JS API
   // webKitRTCPeerConnection.
   UpdateWebRTCMethodCount(WEBKIT_RTC_PEER_CONNECTION);
 
-  return new RTCPeerConnectionHandler(client, this);
+  return base::MakeUnique<RTCPeerConnectionHandler>(client, this);
 }
 
 const scoped_refptr<webrtc::PeerConnectionFactoryInterface>&
 PeerConnectionDependencyFactory::GetPcFactory() {
   if (!pc_factory_.get())
     CreatePeerConnectionFactory();
   CHECK(pc_factory_.get());
   return pc_factory_;
 }
 
@@ skipping 415 matching lines @@
 
 void PeerConnectionDependencyFactory::EnsureWebRtcAudioDeviceImpl() {
   DCHECK(CalledOnValidThread());
   if (audio_device_.get())
     return;
 
   audio_device_ = new WebRtcAudioDeviceImpl();
 }
 
 }  // namespace content