Run clang-modernize -use-nullptr over src/extensions/.

extensions/browser/api/sockets_tcp_server/sockets_tcp_server_api.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 "extensions/browser/api/sockets_tcp_server/sockets_tcp_server_api.h"
 
 #include "content/public/common/socket_permission_request.h"
 #include "extensions/browser/api/socket/tcp_socket.h"
 #include "extensions/browser/api/sockets_tcp_server/tcp_server_socket_event_dispatcher.h"
 #include "extensions/common/api/sockets/sockets_manifest_data.h"
@@ skipping 103 matching lines @@
   if (!socket) {
     error_ = kSocketNotFoundError;
     return;
   }
 
   SetSocketProperties(socket, &params_.get()->properties);
   results_ = sockets_tcp_server::Update::Results::Create();
 }
 
 SocketsTcpServerSetPausedFunction::SocketsTcpServerSetPausedFunction()
-    : socket_event_dispatcher_(NULL) {}
+    : socket_event_dispatcher_(nullptr) {
+}
 
 SocketsTcpServerSetPausedFunction::~SocketsTcpServerSetPausedFunction() {}
 
 bool SocketsTcpServerSetPausedFunction::Prepare() {
   params_ = core_api::sockets_tcp_server::SetPaused::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(params_.get());
 
   socket_event_dispatcher_ =
       TCPServerSocketEventDispatcher::Get(browser_context());
   DCHECK(socket_event_dispatcher_)
       << "There is no socket event dispatcher. "
          "If this assertion is failing during a test, then it is likely that "
          "TestExtensionSystem is failing to provide an instance of "
          "TCPServerSocketEventDispatcher.";
-  return socket_event_dispatcher_ != NULL;
+  return socket_event_dispatcher_ != nullptr;
 }
 
 void SocketsTcpServerSetPausedFunction::Work() {
   ResumableTCPServerSocket* socket = GetTcpSocket(params_->socket_id);
   if (!socket) {
     error_ = kSocketNotFoundError;
     return;
   }
 
   if (socket->paused() != params_->paused) {
     socket->set_paused(params_->paused);
     if (socket->IsConnected() && !params_->paused) {
       socket_event_dispatcher_->OnServerSocketResume(extension_->id(),
                                                      params_->socket_id);
     }
   }
 
   results_ = sockets_tcp_server::SetPaused::Results::Create();
 }
 
 SocketsTcpServerListenFunction::SocketsTcpServerListenFunction()
-    : socket_event_dispatcher_(NULL) {}
+    : socket_event_dispatcher_(nullptr) {
+}
 
 SocketsTcpServerListenFunction::~SocketsTcpServerListenFunction() {}
 
 bool SocketsTcpServerListenFunction::Prepare() {
   params_ = core_api::sockets_tcp_server::Listen::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(params_.get());
 
   socket_event_dispatcher_ =
       TCPServerSocketEventDispatcher::Get(browser_context());
   DCHECK(socket_event_dispatcher_)
       << "There is no socket event dispatcher. "
          "If this assertion is failing during a test, then it is likely that "
          "TestExtensionSystem is failing to provide an instance of "
          "TCPServerSocketEventDispatcher.";
-  return socket_event_dispatcher_ != NULL;
+  return socket_event_dispatcher_ != nullptr;
 }
 
 void SocketsTcpServerListenFunction::Work() {
   ResumableTCPServerSocket* socket = GetTcpSocket(params_->socket_id);
   if (!socket) {
     error_ = kSocketNotFoundError;
     return;
   }
 
   SocketPermissionRequest param(
@@ skipping 86 matching lines @@
 
 SocketsTcpServerGetSocketsFunction::SocketsTcpServerGetSocketsFunction() {}
 
 SocketsTcpServerGetSocketsFunction::~SocketsTcpServerGetSocketsFunction() {}
 
 bool SocketsTcpServerGetSocketsFunction::Prepare() { return true; }
 
 void SocketsTcpServerGetSocketsFunction::Work() {
   std::vector<linked_ptr<sockets_tcp_server::SocketInfo> > socket_infos;
   base::hash_set<int>* resource_ids = GetSocketIds();
-  if (resource_ids != NULL) {
+  if (resource_ids != nullptr) {
     for (base::hash_set<int>::iterator it = resource_ids->begin();
          it != resource_ids->end();
          ++it) {
       int socket_id = *it;
       ResumableTCPServerSocket* socket = GetTcpSocket(socket_id);
       if (socket) {
         socket_infos.push_back(CreateSocketInfo(socket_id, socket));
       }
     }
   }
   results_ = sockets_tcp_server::GetSockets::Results::Create(socket_infos);
 }
 
 }  // namespace core_api
 }  // namespace extensions