EDK: Sprinkle some more |final| secret sauce.
Don't go around subclassing RefPtr. Or Mutex.
R=jamesr@chromium.org
Review URL: https://codereview.chromium.org/1435043002 .
diff --git a/mojo/edk/system/test/scoped_test_dir.h b/mojo/edk/system/test/scoped_test_dir.h
index 9f4db1b..9d4fde8 100644
--- a/mojo/edk/system/test/scoped_test_dir.h
+++ b/mojo/edk/system/test/scoped_test_dir.h
@@ -15,7 +15,7 @@
// Creates/destroyes a temporary directory for test purposes. (Unlike
// |base::ScopedTempDir|, this automatically creates the temporary directory.)
-class ScopedTestDir {
+class ScopedTestDir final {
public:
ScopedTestDir();
~ScopedTestDir();
