Style Change: NULL->nullptr

tools/lua/lua_pictures.cpp

Index: tools/lua/lua_pictures.cpp
diff --git a/tools/lua/lua_pictures.cpp b/tools/lua/lua_pictures.cpp
index 315e4bfb8972524be20725a76a462b0489e1ff8e..6fa5813d77818685f531ea5afe0da7d298e9987a 100644
--- a/tools/lua/lua_pictures.cpp
+++ b/tools/lua/lua_pictures.cpp
@@ -42,7 +42,7 @@ DEFINE_bool2(quiet, q, false, "Silence all non-error related output");
 
 static SkPicture* load_picture(const char path[]) {
     SkAutoTDelete<SkStream> stream(SkStream::NewFromFile(path));
-    SkPicture* pic = NULL;
+    SkPicture* pic = nullptr;
     if (stream.get()) {
         pic = SkPicture::CreateFromStream(stream.get(), &sk_tools::LazyDecodeBitmap);
     }
@@ -89,7 +89,7 @@ int tool_main(int argc, char** argv) {
 
     for (int i = 0; i < FLAGS_luaFile.count(); ++i) {
         SkAutoDataUnref data(SkData::NewFromFileName(FLAGS_luaFile[i]));
-        if (NULL == data.get()) {
+        if (nullptr == data.get()) {
             data.reset(SkData::NewEmpty());
         }
         if (!FLAGS_quiet) {