Style Change: NULL->nullptr

src/doc/SkDocument_XPS.cpp

 /*
  * 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 "SkDocument.h"
 #include "SkXPSDevice.h"
 #include "SkStream.h"
@@ skipping 24 matching lines @@
                            SkSize::Make(width, height));
         fCanvas.reset(new SkCanvas(&fDevice));
         fCanvas->clipRect(trimBox);
         fCanvas->translate(trimBox.x(), trimBox.y());
         return fCanvas.get();
     }
 
     void onEndPage() override {
         SkASSERT(fCanvas.get());
         fCanvas->flush();
-        fCanvas.reset(NULL);
+        fCanvas.reset(nullptr);
         fDevice.endSheet();
     }
 
     bool onClose(SkWStream*) override {
         SkASSERT(!fCanvas.get());
         return fDevice.endPortfolio();
     }
 
     void onAbort() override {}
 
 private:
     SkXPSDevice fDevice;
     SkAutoTUnref<SkCanvas> fCanvas;
     SkVector fUnitsPerMeter;
     SkVector fPixelsPerMeter;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 SkDocument* SkDocument::CreateXPS(SkWStream* stream, SkScalar dpi) {
-    return stream ? new SkDocument_XPS(stream, NULL, dpi) : NULL;
+    return stream ? new SkDocument_XPS(stream, nullptr, dpi) : nullptr;
 }
 
 static void delete_wstream(SkWStream* stream, bool aborted) { delete stream; }
 
 SkDocument* SkDocument::CreateXPS(const char path[], SkScalar dpi) {
     SkAutoTDelete<SkFILEWStream> stream(new SkFILEWStream(path));
     if (!stream->isValid()) {
-        return NULL;
+        return nullptr;
     }
     return new SkDocument_XPS(stream.detach(), delete_wstream, dpi);
 }