Replace NULL with nullptr in all C++ files.

webrtc/p2p/base/jseptransport_unittest.cc

 /*
  *  Copyright 2011 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 35 matching lines @@
   std::unique_ptr<FakeDtlsTransport> fake_dtls_transport_;
   std::unique_ptr<FakeIceTransport> fake_ice_transport_;
   std::unique_ptr<JsepTransport> transport_;
 };
 
 // This test verifies channels are created with proper ICE
 // ufrag/password after a transport description is applied.
 TEST_F(JsepTransportTest, TestChannelIceParameters) {
   cricket::TransportDescription local_desc(kIceUfrag1, kIcePwd1);
   ASSERT_TRUE(transport_->SetLocalTransportDescription(
-      local_desc, cricket::CA_OFFER, NULL));
+      local_desc, cricket::CA_OFFER, nullptr));
   EXPECT_TRUE(SetupChannel());
   EXPECT_EQ(cricket::ICEMODE_FULL, fake_ice_transport_->remote_ice_mode());
   EXPECT_EQ(kIceUfrag1, fake_ice_transport_->ice_ufrag());
   EXPECT_EQ(kIcePwd1, fake_ice_transport_->ice_pwd());
 
   cricket::TransportDescription remote_desc(kIceUfrag1, kIcePwd1);
   ASSERT_TRUE(transport_->SetRemoteTransportDescription(
-      remote_desc, cricket::CA_ANSWER, NULL));
+      remote_desc, cricket::CA_ANSWER, nullptr));
   EXPECT_EQ(cricket::ICEMODE_FULL, fake_ice_transport_->remote_ice_mode());
   EXPECT_EQ(kIceUfrag1, fake_ice_transport_->remote_ice_ufrag());
   EXPECT_EQ(kIcePwd1, fake_ice_transport_->remote_ice_pwd());
 }
 
 // Verifies that IceCredentialsChanged returns true when either ufrag or pwd
 // changed, and false in other cases.
 TEST_F(JsepTransportTest, TestIceCredentialsChanged) {
   EXPECT_TRUE(cricket::IceCredentialsChanged("u1", "p1", "u2", "p2"));
   EXPECT_TRUE(cricket::IceCredentialsChanged("u1", "p1", "u2", "p1"));
@@ skipping 226 matching lines @@
     remote_desc.connection_role = param.remote_role;
 
     ASSERT_TRUE(transport_->SetRemoteTransportDescription(
         remote_desc, param.remote_action, nullptr));
     ASSERT_TRUE(transport_->SetLocalTransportDescription(
         local_desc, param.local_action, nullptr));
     EXPECT_FALSE(
         transport_->NegotiateRole(param.local_action, &ssl_role, &error_desc));
   }
 }