Replace NULL with nullptr in all C++ files.

webrtc/modules/desktop_capture/win/cursor_unittest.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 <memory>
 
 #include "webrtc/modules/desktop_capture/desktop_frame.h"
 #include "webrtc/modules/desktop_capture/desktop_geometry.h"
 #include "webrtc/modules/desktop_capture/mouse_cursor.h"
 #include "webrtc/modules/desktop_capture/win/cursor.h"
 #include "webrtc/modules/desktop_capture/win/cursor_unittest_resources.h"
 #include "webrtc/modules/desktop_capture/win/scoped_gdi_object.h"
 #include "webrtc/test/gmock.h"
 
 namespace webrtc {
 
 namespace {
 
 // Loads |left| from resources, converts it to a |MouseCursor| instance and
 // compares pixels with |right|. Returns true of MouseCursor bits match |right|.
 // |right| must be a 32bpp cursor with alpha channel.
 bool ConvertToMouseShapeAndCompare(unsigned left, unsigned right) {
-  HMODULE instance = GetModuleHandle(NULL);
+  HMODULE instance = GetModuleHandle(nullptr);
 
   // Load |left| from the EXE module's resources.
   win::ScopedCursor cursor(reinterpret_cast<HCURSOR>(
       LoadImage(instance, MAKEINTRESOURCE(left), IMAGE_CURSOR, 0, 0, 0)));
-  EXPECT_TRUE(cursor != NULL);
+  EXPECT_TRUE(cursor != nullptr);
 
   // Convert |cursor| to |mouse_shape|.
-  HDC dc = GetDC(NULL);
+  HDC dc = GetDC(nullptr);
   std::unique_ptr<MouseCursor> mouse_shape(
       CreateMouseCursorFromHCursor(dc, cursor));
-  ReleaseDC(NULL, dc);
+  ReleaseDC(nullptr, dc);
 
   EXPECT_TRUE(mouse_shape.get());
 
   // Load |right|.
   cursor.Set(reinterpret_cast<HCURSOR>(
       LoadImage(instance, MAKEINTRESOURCE(right), IMAGE_CURSOR, 0, 0, 0)));
 
   ICONINFO iinfo;
   EXPECT_TRUE(GetIconInfo(cursor, &iinfo));
   EXPECT_TRUE(iinfo.hbmColor);
@@ skipping 30 matching lines @@
                                             IDD_CURSOR1_32BPP));
 
   EXPECT_TRUE(ConvertToMouseShapeAndCompare(IDD_CURSOR2_1BPP,
                                             IDD_CURSOR2_32BPP));
 
   EXPECT_TRUE(ConvertToMouseShapeAndCompare(IDD_CURSOR3_4BPP,
                                             IDD_CURSOR3_32BPP));
 }
 
 }  // namespace webrtc