Standardize usage of virtual/override/final in components/

components/policy/core/common/policy_loader_mac_unittest.cc

Index: components/policy/core/common/policy_loader_mac_unittest.cc
diff --git a/components/policy/core/common/policy_loader_mac_unittest.cc b/components/policy/core/common/policy_loader_mac_unittest.cc
index db22e74cc260a9b597376cb851e8aad6fd796225..a840724d937cbb21f60919dfd87748598a4740eb 100644
--- a/components/policy/core/common/policy_loader_mac_unittest.cc
+++ b/components/policy/core/common/policy_loader_mac_unittest.cc
@@ -29,25 +29,24 @@ namespace {
 class TestHarness : public PolicyProviderTestHarness {
  public:
   TestHarness();
-  virtual ~TestHarness();
+  ~TestHarness() override;
 
-  virtual void SetUp() override;
+  void SetUp() override;
 
-  virtual ConfigurationPolicyProvider* CreateProvider(
+  ConfigurationPolicyProvider* CreateProvider(
       SchemaRegistry* registry,
       scoped_refptr<base::SequencedTaskRunner> task_runner) override;
 
-  virtual void InstallEmptyPolicy() override;
-  virtual void InstallStringPolicy(const std::string& policy_name,
-                                   const std::string& policy_value) override;
-  virtual void InstallIntegerPolicy(const std::string& policy_name,
-                                    int policy_value) override;
-  virtual void InstallBooleanPolicy(const std::string& policy_name,
-                                    bool policy_value) override;
-  virtual void InstallStringListPolicy(
-      const std::string& policy_name,
-      const base::ListValue* policy_value) override;
-  virtual void InstallDictionaryPolicy(
+  void InstallEmptyPolicy() override;
+  void InstallStringPolicy(const std::string& policy_name,
+                           const std::string& policy_value) override;
+  void InstallIntegerPolicy(const std::string& policy_name,
+                            int policy_value) override;
+  void InstallBooleanPolicy(const std::string& policy_name,
+                            bool policy_value) override;
+  void InstallStringListPolicy(const std::string& policy_name,
+                               const base::ListValue* policy_value) override;
+  void InstallDictionaryPolicy(
       const std::string& policy_name,
       const base::DictionaryValue* policy_value) override;