1 files changed, 4 insertions, 0 deletions
diff --git a/tests/OnceTest.cpp b/tests/OnceTest.cpp
index 192abaaee3..e2711f00bb 100644
--- a/tests/OnceTest.cpp
+++ b/tests/OnceTest.cpp
@@ -31,6 +31,8 @@ static void add_six(int* x) {
     *x += 6;
 }
 
+namespace {
+
 class Racer : public SkRunnable {
 public:
     SkOnceFlag* once;
@@ -41,6 +43,8 @@ public:
     }
 };
 
+}  // namespace
+
 DEF_TEST(SkOnce_Multithreaded, r) {
     const int kTasks = 16;