Style Change: NULL->nullptr

gm/textblob.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 
 #include "SkCanvas.h"
@@ skipping 58 matching lines @@
     TextBlobGM(const char* txt)
         : fText(txt) {
     }
 
 protected:
     void onOnceBeforeDraw() override {
         fTypeface.reset(sk_tool_utils::create_portable_typeface("serif", SkTypeface::kNormal));
         SkPaint p;
         p.setTypeface(fTypeface);
         size_t txtLen = strlen(fText);
-        int glyphCount = p.textToGlyphs(fText, txtLen, NULL);
+        int glyphCount = p.textToGlyphs(fText, txtLen, nullptr);
 
         fGlyphs.append(glyphCount);
         p.textToGlyphs(fText, txtLen, fGlyphs.begin());
     }
 
     SkString onShortName() override {
         return SkString("textblob");
     }
 
     SkISize onISize() override {
@@ skipping 90 matching lines @@
         return builder.build();
     }
 
     SkTDArray<uint16_t>      fGlyphs;
     SkAutoTUnref<SkTypeface> fTypeface;
     const char*              fText;
     typedef skiagm::GM INHERITED;
 };
 
 DEF_GM(return new TextBlobGM("hamburgefons");)