Clean up unused param in RegistryOverrideManager

base/test/test_reg_util_win.cc

Index: base/test/test_reg_util_win.cc
diff --git a/base/test/test_reg_util_win.cc b/base/test/test_reg_util_win.cc
index f354b1736638bfe4d48d49d7717e6ab9568f7130..2cbafef105a6b5cba88c02b224bbe887a0d58b2b 100644
--- a/base/test/test_reg_util_win.cc
+++ b/base/test/test_reg_util_win.cc
@@ -92,9 +92,7 @@ RegistryOverrideManager::RegistryOverrideManager(
 
 RegistryOverrideManager::~RegistryOverrideManager() {}
 
-void RegistryOverrideManager::OverrideRegistry(
-    HKEY override,
-    const base::string16& /*override_name*/) {
+void RegistryOverrideManager::OverrideRegistry(HKEY override) {
   base::string16 key_path = GenerateTempKeyPath(test_key_root_, timestamp_);
   overrides_.push_back(new ScopedRegistryKeyOverride(override, key_path));
 }