Replace NULL with nullptr in all C++ files.

webrtc/modules/desktop_capture/win/desktop.cc

 /*
  *  Copyright (c) 2013 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.
  */
 
 #include "webrtc/modules/desktop_capture/win/desktop.h"
 
 #include <vector>
 
 #include "webrtc/system_wrappers/include/logging.h"
 
 namespace webrtc {
 
 Desktop::Desktop(HDESK desktop, bool own) : desktop_(desktop), own_(own) {
 }
 
 Desktop::~Desktop() {
-  if (own_ && desktop_ != NULL) {
+  if (own_ && desktop_ != nullptr) {
     if (!::CloseDesktop(desktop_)) {
       LOG(LS_ERROR) << "Failed to close the owned desktop handle: "
                     << GetLastError();
     }
   }
 }
 
 bool Desktop::GetName(std::wstring* desktop_name_out) const {
-  if (desktop_ == NULL)
+  if (desktop_ == nullptr)
     return false;
 
   DWORD length = 0;
-  int rv = GetUserObjectInformationW(desktop_, UOI_NAME, NULL, 0, &length);
+  int rv = GetUserObjectInformationW(desktop_, UOI_NAME, nullptr, 0, &length);
   if (rv || GetLastError() != ERROR_INSUFFICIENT_BUFFER)
     abort();
 
   length /= sizeof(WCHAR);
   std::vector<WCHAR> buffer(length);
   if (!GetUserObjectInformationW(desktop_, UOI_NAME, &buffer[0],
                                  length * sizeof(WCHAR), &length)) {
     LOG(LS_ERROR) << "Failed to query the desktop name: " << GetLastError();
     return false;
   }
@@ skipping 23 matching lines @@
 
   return true;
 }
 
 Desktop* Desktop::GetDesktop(const WCHAR* desktop_name) {
   ACCESS_MASK desired_access =
       DESKTOP_CREATEMENU | DESKTOP_CREATEWINDOW | DESKTOP_ENUMERATE |
       DESKTOP_HOOKCONTROL | DESKTOP_WRITEOBJECTS | DESKTOP_READOBJECTS |
       DESKTOP_SWITCHDESKTOP | GENERIC_WRITE;
   HDESK desktop = OpenDesktop(desktop_name, 0, FALSE, desired_access);
-  if (desktop == NULL) {
+  if (desktop == nullptr) {
     LOG(LS_ERROR) << "Failed to open the desktop '" << desktop_name << "': "
                   << GetLastError();
-    return NULL;
+    return nullptr;
   }
 
   return new Desktop(desktop, true);
 }
 
 Desktop* Desktop::GetInputDesktop() {
   HDESK desktop = OpenInputDesktop(
       0, FALSE, GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE);
-  if (desktop == NULL)
-    return NULL;
+  if (desktop == nullptr)
+    return nullptr;
 
   return new Desktop(desktop, true);
 }
 
 Desktop* Desktop::GetThreadDesktop() {
   HDESK desktop = ::GetThreadDesktop(GetCurrentThreadId());
-  if (desktop == NULL) {
+  if (desktop == nullptr) {
     LOG(LS_ERROR) << "Failed to retrieve the handle of the desktop assigned to "
                      "the current thread: "
                   << GetLastError();
-    return NULL;
+    return nullptr;
   }
 
   return new Desktop(desktop, false);
 }
 
 }  // namespace webrtc