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

Review URL: https://codereview.chromium.org/1316233002
diff --git a/src/utils/SkNinePatch.cpp b/src/utils/SkNinePatch.cpp
index 4a5308b..5ee488e 100644
--- a/src/utils/SkNinePatch.cpp
+++ b/src/utils/SkNinePatch.cpp
@@ -196,8 +196,8 @@
 
     mesh.fVerts = verts;
     mesh.fTexs = texs;
-    mesh.fColors = NULL;
-    mesh.fIndices = NULL;
+    mesh.fColors = nullptr;
+    mesh.fIndices = nullptr;
 
     // we use <= for YDivs, since the prebuild indices work for 3x2 and 3x1 too
     if (numXDivs == 2 && numYDivs <= 2) {
@@ -245,7 +245,7 @@
     }
     p.setShader(shader)->unref();
     canvas->drawVertices(SkCanvas::kTriangles_VertexMode, vCount,
-                         mesh.fVerts, mesh.fTexs, mesh.fColors, NULL,
+                         mesh.fVerts, mesh.fTexs, mesh.fColors, nullptr,
                          mesh.fIndices, indexCount, p);
 }