[Housekeeping] spell out nullptr

third_party/WebKit/Source/web/SpellCheckerClientImpl.cpp

 /*
  * Copyright (C) 2006, 2007 Apple, Inc.  All rights reserved.
  * Copyright (C) 2012 Google, Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 105 matching lines @@
 
 void SpellCheckerClientImpl::checkSpellingOfString(const String& text, int* misspellingLocation, int* misspellingLength)
 {
     // SpellCheckWord will write (0, 0) into the output vars, which is what our
     // caller expects if the word is spelled correctly.
     int spellLocation = -1;
     int spellLength = 0;
 
     // Check to see if the provided text is spelled correctly.
     if (m_webView->spellCheckClient()) {
-        m_webView->spellCheckClient()->spellCheck(text, spellLocation, spellLength, 0);
+        m_webView->spellCheckClient()->spellCheck(text, spellLocation, spellLength, nullptr);
     } else {
         spellLocation = 0;
         spellLength = 0;
     }
 
     // Note: the Mac code checks if the pointers are null before writing to them,
     // so we do too.
     if (misspellingLocation)
         *misspellingLocation = spellLocation;
     if (misspellingLength)
@@ skipping 58 matching lines @@
 }
 
 bool SpellCheckerClientImpl::spellingUIIsShowing()
 {
     if (m_webView->spellCheckClient())
         return m_webView->spellCheckClient()->isShowingSpellingUI();
     return false;
 }
 
 } // namespace blink