[C++11 Allowed Features] Declares a type-safe null pointer converting from NULL to nullptr

content/browser/accessibility/browser_accessibility_state_impl_win.cc

 // Copyright (c) 2012 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 "content/browser/accessibility/browser_accessibility_state_impl.h"
 
 #include <windows.h>
 #include <psapi.h>
 
 #include "base/files/file_path.h"
@@ skipping 19 matching lines @@
                         !!win_screen_reader);
 
   STICKYKEYS sticky_keys = {0};
   sticky_keys.cbSize = sizeof(STICKYKEYS);
   SystemParametersInfo(SPI_GETSTICKYKEYS, 0, &sticky_keys, 0);
   UMA_HISTOGRAM_BOOLEAN("Accessibility.WinStickyKeys",
                         0 != (sticky_keys.dwFlags & SKF_STICKYKEYSON));
 
   // Get the file paths of all DLLs loaded.
   HANDLE process = GetCurrentProcess();
-  HMODULE* modules = NULL;
+  HMODULE* modules = nullptr;
   DWORD bytes_required;
   if (!EnumProcessModules(process, modules, 0, &bytes_required))
     return;
 
   scoped_ptr<char[]> buffer(new char[bytes_required]);
   modules = reinterpret_cast<HMODULE*>(buffer.get());
   DWORD ignore;
   if (!EnumProcessModules(process, modules, bytes_required, &ignore))
     return;
 
@@ skipping 17 matching lines @@
       zoomtext = true;
   }
 
   UMA_HISTOGRAM_BOOLEAN("Accessibility.WinJAWS", jaws);
   UMA_HISTOGRAM_BOOLEAN("Accessibility.WinNVDA", nvda);
   UMA_HISTOGRAM_BOOLEAN("Accessibility.WinSAToGo", satogo);
   UMA_HISTOGRAM_BOOLEAN("Accessibility.WinZoomText", zoomtext);
 }
 
 }  // namespace content