Replace NULL with nullptr in all C++ files.

webrtc/pc/test/peerconnectiontestwrapper.cc

 /*
  *  Copyright 2013 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.
  */
 
@@ skipping 46 matching lines @@
 
 PeerConnectionTestWrapper::~PeerConnectionTestWrapper() {}
 
 bool PeerConnectionTestWrapper::CreatePc(
     const MediaConstraintsInterface* constraints,
     const webrtc::PeerConnectionInterface::RTCConfiguration& config) {
   std::unique_ptr<cricket::PortAllocator> port_allocator(
       new cricket::FakePortAllocator(network_thread_, nullptr));
 
   fake_audio_capture_module_ = FakeAudioCaptureModule::Create();
-  if (fake_audio_capture_module_ == NULL) {
+  if (fake_audio_capture_module_ == nullptr) {
     return false;
   }
 
   peer_connection_factory_ = webrtc::CreatePeerConnectionFactory(
       network_thread_, worker_thread_, rtc::Thread::Current(),
-      fake_audio_capture_module_, NULL, NULL);
+      fake_audio_capture_module_, nullptr, nullptr);
   if (!peer_connection_factory_) {
     return false;
   }
 
   std::unique_ptr<rtc::RTCCertificateGeneratorInterface> cert_generator(
       new FakeRTCCertificateGenerator());
   peer_connection_ = peer_connection_factory_->CreatePeerConnection(
       config, constraints, std::move(port_allocator), std::move(cert_generator),
       this);
 
-  return peer_connection_.get() != NULL;
+  return peer_connection_.get() != nullptr;
 }
 
 rtc::scoped_refptr<webrtc::DataChannelInterface>
 PeerConnectionTestWrapper::CreateDataChannel(
     const std::string& label,
     const webrtc::DataChannelInit& init) {
   return peer_connection_->CreateDataChannel(label, &init);
 }
 
 void PeerConnectionTestWrapper::OnAddStream(
@@ skipping 47 matching lines @@
 
 void PeerConnectionTestWrapper::CreateAnswer(
     const MediaConstraintsInterface* constraints) {
   LOG(LS_INFO) << "PeerConnectionTestWrapper " << name_
                << ": CreateAnswer.";
   peer_connection_->CreateAnswer(this, constraints);
 }
 
 void PeerConnectionTestWrapper::ReceiveOfferSdp(const std::string& sdp) {
   SetRemoteDescription(SessionDescriptionInterface::kOffer, sdp);
-  CreateAnswer(NULL);
+  CreateAnswer(nullptr);
 }
 
 void PeerConnectionTestWrapper::ReceiveAnswerSdp(const std::string& sdp) {
   SetRemoteDescription(SessionDescriptionInterface::kAnswer, sdp);
 }
 
 void PeerConnectionTestWrapper::SetLocalDescription(const std::string& type,
                                                     const std::string& sdp) {
   LOG(LS_INFO) << "PeerConnectionTestWrapper " << name_
                << ": SetLocalDescription " << type << " " << sdp;
 
   rtc::scoped_refptr<MockSetSessionDescriptionObserver>
       observer(new rtc::RefCountedObject<
                    MockSetSessionDescriptionObserver>());
   peer_connection_->SetLocalDescription(
-      observer, webrtc::CreateSessionDescription(type, sdp, NULL));
+      observer, webrtc::CreateSessionDescription(type, sdp, nullptr));
 }
 
 void PeerConnectionTestWrapper::SetRemoteDescription(const std::string& type,
                                                      const std::string& sdp) {
   LOG(LS_INFO) << "PeerConnectionTestWrapper " << name_
                << ": SetRemoteDescription " << type << " " << sdp;
 
   rtc::scoped_refptr<MockSetSessionDescriptionObserver>
       observer(new rtc::RefCountedObject<
                    MockSetSessionDescriptionObserver>());
   peer_connection_->SetRemoteDescription(
-      observer, webrtc::CreateSessionDescription(type, sdp, NULL));
+      observer, webrtc::CreateSessionDescription(type, sdp, nullptr));
 }
 
 void PeerConnectionTestWrapper::AddIceCandidate(const std::string& sdp_mid,
                                                 int sdp_mline_index,
                                                 const std::string& candidate) {
   std::unique_ptr<webrtc::IceCandidateInterface> owned_candidate(
-      webrtc::CreateIceCandidate(sdp_mid, sdp_mline_index, candidate, NULL));
+      webrtc::CreateIceCandidate(sdp_mid, sdp_mline_index, candidate, nullptr));
   EXPECT_TRUE(peer_connection_->AddIceCandidate(owned_candidate.get()));
 }
 
 void PeerConnectionTestWrapper::WaitForCallEstablished() {
   WaitForConnection();
   WaitForAudio();
   WaitForVideo();
 }
 
 void PeerConnectionTestWrapper::WaitForConnection() {
@@ skipping 73 matching lines @@
         peer_connection_factory_->CreateVideoSource(
             new webrtc::FakePeriodicVideoCapturer(), &constraints);
     std::string videotrack_label = label + kVideoTrackLabelBase;
     rtc::scoped_refptr<webrtc::VideoTrackInterface> video_track(
         peer_connection_factory_->CreateVideoTrack(videotrack_label, source));
 
     stream->AddTrack(video_track);
   }
   return stream;
 }