Style Change: NULL->nullptr
DOCS_PREVIEW= https://skia.org/?cl=1316233002

Review URL: https://codereview.chromium.org/1316233002
diff --git a/src/animator/SkDrawSaveLayer.cpp b/src/animator/SkDrawSaveLayer.cpp
index 9623c90..c9a4d9f 100644
--- a/src/animator/SkDrawSaveLayer.cpp
+++ b/src/animator/SkDrawSaveLayer.cpp
@@ -24,7 +24,7 @@
 
 DEFINE_GET_MEMBER(SkSaveLayer);
 
-SkSaveLayer::SkSaveLayer() : paint(NULL), bounds(NULL) {
+SkSaveLayer::SkSaveLayer() : paint(nullptr), bounds(nullptr) {
 }
 
 SkSaveLayer::~SkSaveLayer(){