Style Change: NULL->nullptr

src/core/SkYUVPlanesCache.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkYUVPlanesCache_DEFINED
 #define SkYUVPlanesCache_DEFINED
 
@@ skipping 17 matching lines @@
      */
     struct Info {
         SkISize fSize[3];
         size_t  fSizeInMemory[3];
         size_t  fRowBytes[3];
         SkYUVColorSpace fColorSpace;
     };
     /**
      * On success, return a ref to the SkCachedData that holds the pixels.
      *
-     * On failure, return NULL.
+     * On failure, return nullptr.
      */
     static SkCachedData* FindAndRef(uint32_t genID, Info* info,
-                                    SkResourceCache* localCache = NULL);
+                                    SkResourceCache* localCache = nullptr);
 
     /**
      * Add a pixelRef ID and its YUV planes data to the cache.
      */
     static void Add(uint32_t genID, SkCachedData* data, Info* info,
-                    SkResourceCache* localCache = NULL);
+                    SkResourceCache* localCache = nullptr);
 };
 
 #endif