Style Change: NULL->nullptr

gm/tileimagefilter.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 "sk_tool_utils.h"
 #include "SkBitmapSource.h"
 #include "SkColorFilterImageFilter.h"
@@ skipping 80 matching lines @@
 
         SkScalar matrix[20] = { SK_Scalar1, 0, 0, 0, 0,
                                 0, SK_Scalar1, 0, 0, 0,
                                 0, 0, SK_Scalar1, 0, 0,
                                 0, 0, 0, SK_Scalar1, 0 };
 
         SkRect srcRect = SkRect::MakeWH(SkIntToScalar(fBitmap.width()),
                                         SkIntToScalar(fBitmap.height()));
         SkRect dstRect = SkRect::MakeWH(SkIntToScalar(fBitmap.width() * 2),
                                         SkIntToScalar(fBitmap.height() * 2));
-        SkAutoTUnref<SkImageFilter> tile(SkTileImageFilter::Create(srcRect, dstRect, NULL));
+        SkAutoTUnref<SkImageFilter> tile(SkTileImageFilter::Create(srcRect, dstRect, nullptr));
         SkAutoTUnref<SkColorFilter> cf(SkColorMatrixFilter::Create(matrix));
 
         SkAutoTUnref<SkImageFilter> cfif(SkColorFilterImageFilter::Create(cf, tile.get()));
         SkPaint paint;
         paint.setImageFilter(cfif);
         canvas->save();
         canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
         canvas->clipRect(dstRect);
         canvas->saveLayer(&dstRect, &paint);
         canvas->drawBitmap(fBitmap, 0, 0);
         canvas->restore();
         canvas->restore();
     }
 private:
     SkBitmap fBitmap;
     SkBitmap fCheckerboard;
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new TileImageFilterGM;)
 }