replace NULL->nullptr in src/remoting.

remoting/host/it2me/it2me_native_messaging_host.cc

 // Copyright 2013 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/host/it2me/it2me_native_messaging_host.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 26 matching lines @@
     {kDisconnecting, "DISCONNECTING"},
     {kError, "ERROR"},
     {kInvalidDomainError, "INVALID_DOMAIN_ERROR"},
 };
 
 }  // namespace
 
 It2MeNativeMessagingHost::It2MeNativeMessagingHost(
     scoped_ptr<ChromotingHostContext> context,
     scoped_ptr<It2MeHostFactory> factory)
-    : client_(NULL),
+    : client_(nullptr),
       host_context_(context.Pass()),
       factory_(factory.Pass()),
       weak_factory_(this) {
   weak_ptr_ = weak_factory_.GetWeakPtr();
 
   // Ensures runtime specific CPU features are initialized.
   media::InitializeCPUSpecificMediaFeatures();
 
   const ServiceUrls* service_urls = ServiceUrls::GetInstance();
   const bool xmpp_server_valid =
       net::ParseHostAndPort(service_urls->xmpp_server_address(),
                             &xmpp_server_config_.host,
                             &xmpp_server_config_.port);
   DCHECK(xmpp_server_valid);
 
   xmpp_server_config_.use_tls = service_urls->xmpp_server_use_tls();
   directory_bot_jid_ = service_urls->directory_bot_jid();
 }
 
 It2MeNativeMessagingHost::~It2MeNativeMessagingHost() {
   DCHECK(task_runner()->BelongsToCurrentThread());
 
   if (it2me_host_.get()) {
     it2me_host_->Disconnect();
-    it2me_host_ = NULL;
+    it2me_host_ = nullptr;
   }
 }
 
 void It2MeNativeMessagingHost::OnMessage(const std::string& message) {
   DCHECK(task_runner()->BelongsToCurrentThread());
 
   scoped_ptr<base::DictionaryValue> response(new base::DictionaryValue());
   scoped_ptr<base::Value> message_value(base::JSONReader::Read(message));
   if (!message_value->IsType(base::Value::TYPE_DICTIONARY)) {
     LOG(ERROR) << "Received a message that's not a dictionary.";
@@ skipping 129 matching lines @@
   SendMessageToClient(response.Pass());
 }
 
 void It2MeNativeMessagingHost::ProcessDisconnect(
     const base::DictionaryValue& message,
     scoped_ptr<base::DictionaryValue> response) {
   DCHECK(task_runner()->BelongsToCurrentThread());
 
   if (it2me_host_.get()) {
     it2me_host_->Disconnect();
-    it2me_host_ = NULL;
+    it2me_host_ = nullptr;
   }
   SendMessageToClient(response.Pass());
 }
 
 void It2MeNativeMessagingHost::SendErrorAndExit(
     scoped_ptr<base::DictionaryValue> response,
     const std::string& description) const {
   DCHECK(task_runner()->BelongsToCurrentThread());
 
   LOG(ERROR) << description;
@@ skipping 73 matching lines @@
 }
 
 /* static */
 std::string It2MeNativeMessagingHost::HostStateToString(
     It2MeHostState host_state) {
   return ValueToName(kIt2MeHostStates, host_state);
 }
 
 }  // namespace remoting