Style Change: NULL->nullptr

src/utils/SkOSFile.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkOSFile.h"
 
 SkString SkOSPath::Join(const char *rootPath, const char *relativePath) {
     SkString result(rootPath);
     if (!result.endsWith(SkPATH_SEPARATOR) && !result.isEmpty()) {
         result.appendUnichar(SkPATH_SEPARATOR);
     }
     result.append(relativePath);
     return result;
 }
 
 SkString SkOSPath::Basename(const char* fullPath) {
     if (!fullPath) {
         return SkString();
     }
     const char* filename = strrchr(fullPath, SkPATH_SEPARATOR);
-    if (NULL == filename) {
+    if (nullptr == filename) {
         filename = fullPath;
     } else {
         ++filename;
     }
     return SkString(filename);
 }
 
 SkString SkOSPath::Dirname(const char* fullPath) {
     if (!fullPath) {
         return SkString();
     }
     const char* end = strrchr(fullPath, SkPATH_SEPARATOR);
-    if (NULL == end) {
+    if (nullptr == end) {
         return SkString();
     }
     if (end == fullPath) {
         SkASSERT(fullPath[0] == SkPATH_SEPARATOR);
         ++end;
     }
     return SkString(fullPath, end - fullPath);
 }