Style Change: NULL->nullptr

src/codec/SkCodec_libgif.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.
  */
 
 #include "SkCodec.h"
 #include "SkImageInfo.h"
 
@@ skipping 20 matching lines @@
     static SkCodec* NewFromStream(SkStream*);
     
 
 protected:
 
     /*
      * Read enough of the stream to initialize the SkGifCodec.
      * Returns a bool representing success or failure.
      *
      * @param codecOut
-     * If it returned true, and codecOut was not NULL,
+     * If it returned true, and codecOut was not nullptr,
      * codecOut will be set to a new SkGifCodec.
      *
      * @param gifOut
-     * If it returned true, and codecOut was NULL,
-     * gifOut must be non-NULL and gifOut will be set to a new
+     * If it returned true, and codecOut was nullptr,
+     * gifOut must be non-nullptr and gifOut will be set to a new
      * GifFileType pointer.
      *
      * @param stream
      * Deleted on failure.
      * codecOut will take ownership of it in the case where we created a codec.
      * Ownership is unchanged when we returned a gifOut.
      *
      */
     static bool ReadHeader(SkStream* stream, SkCodec** codecOut, GifFileType** gifOut);
 
@@ skipping 31 matching lines @@
      * @param stream the stream of image data
      * @param gif pointer to library type that manages gif decode
      *            takes ownership
      */
     SkGifCodec(const SkImageInfo& srcInfo, SkStream* stream, GifFileType* gif);
 
     SkAutoTCallVProc<GifFileType, CloseGif> fGif; // owned
 
     typedef SkCodec INHERITED;
 };