Style Change: NULL->nullptr

src/utils/SkTextureCompressor.h

Index: src/utils/SkTextureCompressor.h
diff --git a/src/utils/SkTextureCompressor.h b/src/utils/SkTextureCompressor.h
index f002cde3014c37a54b4341fd363f52af33277d46..d4d48967a3dd66c235158d63d8acb5881d5c1310 100644
--- a/src/utils/SkTextureCompressor.h
+++ b/src/utils/SkTextureCompressor.h
@@ -56,7 +56,7 @@ namespace SkTextureCompressor {
 
     // Returns an SkData holding a blob of compressed data that corresponds
     // to the pixmap. If the pixmap colorType cannot be compressed using the
-    // associated format, then we return NULL. The caller is responsible for
+    // associated format, then we return nullptr. The caller is responsible for
     // calling unref() on the returned data.
     SkData* CompressBitmapToFormat(const SkPixmap&, Format format);