Style Change: NULL->nullptr

gm/lerpmode.cpp

 /*
  * Copyright 2013 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"
 #include "SkLerpXfermode.h"
 
 static void show_circlelayers(SkCanvas* canvas, SkXfermode* mode) {
     SkPaint paint;
     paint.setAntiAlias(true);
     SkRect r, bounds = { 10, 10, 110, 110 };
 
     r = bounds;
     r.fRight = bounds.centerX();
     canvas->drawRect(r, paint);
 
-    canvas->saveLayer(&bounds, NULL);
+    canvas->saveLayer(&bounds, nullptr);
 
     paint.setColor(0x80FF0000);
     r = bounds;
     r.inset(20, 0);
     canvas->drawOval(r, paint);
 
     paint.setColor(0x800000FF);
     r = bounds;
     r.inset(0, 20);
     paint.setXfermode(mode);
     canvas->drawOval(r, paint);
 
     canvas->restore();
 }
 
 class LerpXfermodeGM : public skiagm::GM {
 public:
     LerpXfermodeGM() {}
 
 protected:
     SkString onShortName() override {
         return SkString("lerpmode");
     }
 
     SkISize onISize() override {
         return SkISize::Make(240, 120);
     }
 
     void onDraw(SkCanvas* canvas) override {
-        show_circlelayers(canvas, NULL);
+        show_circlelayers(canvas, nullptr);
         canvas->translate(150, 0);
         SkAutoTUnref<SkXfermode> mode(SkLerpXfermode::Create(0.5f));
         show_circlelayers(canvas, mode.get());
     }
 
 private:
     typedef skiagm::GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new LerpXfermodeGM;)