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

Review URL: https://codereview.chromium.org/1316233002
diff --git a/tests/MetaDataTest.cpp b/tests/MetaDataTest.cpp
index 9d8d5dd..2567398 100644
--- a/tests/MetaDataTest.cpp
+++ b/tests/MetaDataTest.cpp
@@ -84,7 +84,7 @@
     int                 loop = 0;
     int count;
     SkMetaData::Type    t;
-    while ((name = iter.next(&t, &count)) != NULL)
+    while ((name = iter.next(&t, &count)) != nullptr)
     {
         int match = 0;
         for (unsigned i = 0; i < SK_ARRAY_COUNT(gElems); i++)