replace NULL->nullptr in src/remoting.

remoting/protocol/fake_datagram_socket.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 "remoting/protocol/fake_datagram_socket.h"
 
 #include "base/bind.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "net/base/address_list.h"
@@ skipping 16 matching lines @@
 }
 
 void FakeDatagramSocket::AppendInputPacket(const std::string& data) {
   EXPECT_TRUE(task_runner_->BelongsToCurrentThread());
   input_packets_.push_back(data);
 
   // Complete pending read if any.
   if (!read_callback_.is_null()) {
     DCHECK_EQ(input_pos_, static_cast<int>(input_packets_.size()) - 1);
     int result = CopyReadData(read_buffer_.get(), read_buffer_size_);
-    read_buffer_ = NULL;
+    read_buffer_ = nullptr;
 
     net::CompletionCallback callback = read_callback_;
     read_callback_.Reset();
     callback.Run(result);
   }
 }
 
 void FakeDatagramSocket::PairWith(FakeDatagramSocket* peer_socket) {
   EXPECT_TRUE(task_runner_->BelongsToCurrentThread());
   peer_socket_ = peer_socket->GetWeakPtr();
@@ skipping 55 matching lines @@
 FakeDatagramChannelFactory::FakeDatagramChannelFactory()
     : task_runner_(base::ThreadTaskRunnerHandle::Get()),
       asynchronous_create_(false),
       fail_create_(false),
       weak_factory_(this) {
 }
 
 FakeDatagramChannelFactory::~FakeDatagramChannelFactory() {
   for (ChannelsMap::iterator it = channels_.begin(); it != channels_.end();
        ++it) {
-    EXPECT_TRUE(it->second == NULL);
+    EXPECT_TRUE(it->second == nullptr);
   }
 }
 
 void FakeDatagramChannelFactory::PairWith(
     FakeDatagramChannelFactory* peer_factory) {
   peer_factory_ = peer_factory->weak_factory_.GetWeakPtr();
   peer_factory_->peer_factory_ = weak_factory_.GetWeakPtr();
 }
 
 FakeDatagramSocket* FakeDatagramChannelFactory::GetFakeChannel(
     const std::string& name) {
   return channels_[name].get();
 }
 
 void FakeDatagramChannelFactory::CreateChannel(
     const std::string& name,
     const ChannelCreatedCallback& callback) {
-  EXPECT_TRUE(channels_[name] == NULL);
+  EXPECT_TRUE(channels_[name] == nullptr);
 
   scoped_ptr<FakeDatagramSocket> channel(new FakeDatagramSocket());
   channels_[name] = channel->GetWeakPtr();
 
   if (peer_factory_) {
     FakeDatagramSocket* peer_socket = peer_factory_->GetFakeChannel(name);
     if (peer_socket)
       channel->PairWith(peer_socket);
   }
 
@@ skipping 19 matching lines @@
     callback.Run(owned_socket.Pass());
 }
 
 void FakeDatagramChannelFactory::CancelChannelCreation(
     const std::string& name) {
   channels_.erase(name);
 }
 
 }  // namespace protocol
 }  // namespace remoting