RefCounted types should not have public destructors, webkit/

webkit/quota/quota_database_unittest.cc

Index: webkit/quota/quota_database_unittest.cc
diff --git a/webkit/quota/quota_database_unittest.cc b/webkit/quota/quota_database_unittest.cc
index a653e32dfafcaad849c0f7d54037f1a2b230cfcc..db2a3c20bca55096bc8f0b4695dc9d1332f60de3 100644
--- a/webkit/quota/quota_database_unittest.cc
+++ b/webkit/quota/quota_database_unittest.cc
@@ -26,11 +26,14 @@ const base::Time kZeroTime;
 
 class TestErrorDelegate : public sql::ErrorDelegate {
  public:
-  virtual ~TestErrorDelegate() { }
-  virtual int OnError(
-      int error, sql::Connection* connection, sql::Statement* stmt) {
+  virtual int OnError(int error,
+                      sql::Connection* connection,
+                      sql::Statement* stmt) OVERRIDE {
     return error;
   }
+
+ protected:
+  virtual ~TestErrorDelegate() {}
 };
 
 }  // namespace