Replace NULL with nullptr or null in webrtc/base/.

webrtc/base/proxy_unittest.cc

 /*
  *  Copyright 2009 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 13 matching lines @@
 
 static const SocketAddress kSocksProxyIntAddr("1.2.3.4", 1080);
 static const SocketAddress kSocksProxyExtAddr("1.2.3.5", 0);
 static const SocketAddress kHttpsProxyIntAddr("1.2.3.4", 443);
 static const SocketAddress kHttpsProxyExtAddr("1.2.3.5", 0);
 static const SocketAddress kBogusProxyIntAddr("1.2.3.4", 999);
 
 // Sets up a virtual socket server and HTTPS/SOCKS5 proxy servers.
 class ProxyTest : public testing::Test {
  public:
-  ProxyTest() : ss_(new rtc::VirtualSocketServer(NULL)) {
+  ProxyTest() : ss_(new rtc::VirtualSocketServer(nullptr)) {
     Thread::Current()->set_socketserver(ss_.get());
     socks_.reset(new rtc::SocksProxyServer(
         ss_.get(), kSocksProxyIntAddr, ss_.get(), kSocksProxyExtAddr));
     https_.reset(new rtc::HttpListenServer());
     https_->Listen(kHttpsProxyIntAddr);
   }
-  ~ProxyTest() {
-    Thread::Current()->set_socketserver(NULL);
-  }
+  ~ProxyTest() { Thread::Current()->set_socketserver(nullptr); }
 
   rtc::SocketServer* ss() { return ss_.get(); }
 
  private:
   std::unique_ptr<rtc::SocketServer> ss_;
   std::unique_ptr<rtc::SocksProxyServer> socks_;
   // TODO: Make this a real HTTPS proxy server.
   std::unique_ptr<rtc::HttpListenServer> https_;
 };
 
 // Tests whether we can use a SOCKS5 proxy to connect to a server.
 TEST_F(ProxyTest, TestSocks5Connect) {
   rtc::AsyncSocket* socket =
       ss()->CreateAsyncSocket(kSocksProxyIntAddr.family(), SOCK_STREAM);
   rtc::AsyncSocksProxySocket* proxy_socket =
       new rtc::AsyncSocksProxySocket(socket, kSocksProxyIntAddr,
                                            "", rtc::CryptString());
   // TODO: IPv6-ize these tests when proxy supports IPv6.
 
   rtc::TestEchoServer server(Thread::Current(),
                                    SocketAddress(INADDR_ANY, 0));
 
   rtc::AsyncTCPSocket* packet_socket = rtc::AsyncTCPSocket::Create(
       proxy_socket, SocketAddress(INADDR_ANY, 0), server.address());
-  EXPECT_TRUE(packet_socket != NULL);
+  EXPECT_TRUE(packet_socket != nullptr);
   rtc::TestClient client(packet_socket);
 
   EXPECT_EQ(Socket::CS_CONNECTING, proxy_socket->GetState());
   EXPECT_TRUE(client.CheckConnected());
   EXPECT_EQ(Socket::CS_CONNECTED, proxy_socket->GetState());
   EXPECT_EQ(server.address(), client.remote_address());
   client.Send("foo", 3);
-  EXPECT_TRUE(client.CheckNextPacket("foo", 3, NULL));
+  EXPECT_TRUE(client.CheckNextPacket("foo", 3, nullptr));
   EXPECT_TRUE(client.CheckNoPacket());
 }