Replace NULL with nullptr in all C++ files.

webrtc/p2p/base/asyncstuntcpsocket_unittest.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 51 matching lines @@
 };
 
 
 static const rtc::SocketAddress kClientAddr("11.11.11.11", 0);
 static const rtc::SocketAddress kServerAddr("22.22.22.22", 0);
 
 class AsyncStunTCPSocketTest : public testing::Test,
                                public sigslot::has_slots<> {
  protected:
   AsyncStunTCPSocketTest()
-      : vss_(new rtc::VirtualSocketServer(NULL)),
-        ss_scope_(vss_.get()) {
-  }
+      : vss_(new rtc::VirtualSocketServer(nullptr)), ss_scope_(vss_.get()) {}
 
   virtual void SetUp() {
     CreateSockets();
   }
 
   void CreateSockets() {
     rtc::AsyncSocket* server = vss_->CreateAsyncSocket(
         kServerAddr.family(), SOCK_STREAM);
     server->Bind(kServerAddr);
     recv_socket_.reset(new AsyncStunTCPSocket(server, true));
     recv_socket_->SignalNewConnection.connect(
         this, &AsyncStunTCPSocketTest::OnNewConnection);
 
     rtc::AsyncSocket* client = vss_->CreateAsyncSocket(
         kClientAddr.family(), SOCK_STREAM);
     send_socket_.reset(AsyncStunTCPSocket::Create(
         client, kClientAddr, recv_socket_->GetLocalAddress()));
-    ASSERT_TRUE(send_socket_.get() != NULL);
+    ASSERT_TRUE(send_socket_.get() != nullptr);
     vss_->ProcessMessagesUntilIdle();
   }
 
   void OnReadPacket(rtc::AsyncPacketSocket* socket, const char* data,
                     size_t len, const rtc::SocketAddress& remote_addr,
                     const rtc::PacketTime& packet_time) {
     recv_packets_.push_back(std::string(data, len));
   }
 
   void OnNewConnection(rtc::AsyncPacketSocket* server,
@@ skipping 153 matching lines @@
 TEST_F(AsyncStunTCPSocketTest, DISABLED_TestWithSmallSendBuffer) {
   vss_->set_send_buffer_capacity(1);
   Send(kTurnChannelDataMessageWithOddLength,
        sizeof(kTurnChannelDataMessageWithOddLength));
   EXPECT_EQ(1u, recv_packets_.size());
   EXPECT_TRUE(CheckData(kTurnChannelDataMessageWithOddLength,
                         sizeof(kTurnChannelDataMessageWithOddLength)));
 }
 
 }  // namespace cricket