Style Change: NULL->nullptr

gm/textblobuseaftergpufree.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 
 #if SK_SUPPORT_GPU
@@ skipping 13 matching lines @@
     SkString onShortName() override {
         return SkString("textblobuseaftergpufree");
     }
 
     SkISize onISize() override {
         return SkISize::Make(kWidth, kHeight);
     }
 
     void onDraw(SkCanvas* canvas) override {
         // This GM exists to test a specific feature of the GPU backend.
-        if (NULL == canvas->getGrContext()) {
+        if (nullptr == canvas->getGrContext()) {
             this->drawGpuOnlyMessage(canvas);
             return;
         }
 
         const char text[] = "Hamburgefons";
 
         SkPaint paint;
         sk_tool_utils::set_portable_typeface(&paint);
         paint.setAntiAlias(true);
         paint.setTextSize(20);
@@ skipping 21 matching lines @@
     static const int kHeight = 200;
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new TextBlobUseAfterGpuFree;)
 }
 #endif