Standardize usage of virtual/override/final in components/

components/json_schema/json_schema_validator_unittest.cc

Index: components/json_schema/json_schema_validator_unittest.cc
diff --git a/components/json_schema/json_schema_validator_unittest.cc b/components/json_schema/json_schema_validator_unittest.cc
index 134e5fc40d3f9f611f4c2659239707a99007d5fb..ebd48c06025fd80f52bb2cedf106adbd4627151e 100644
--- a/components/json_schema/json_schema_validator_unittest.cc
+++ b/components/json_schema/json_schema_validator_unittest.cc
@@ -12,10 +12,10 @@ class JSONSchemaValidatorCPPTest : public JSONSchemaValidatorTestBase {
   JSONSchemaValidatorCPPTest() : JSONSchemaValidatorTestBase() {}
 
  protected:
-  virtual void ExpectValid(const std::string& test_source,
-                           base::Value* instance,
-                           base::DictionaryValue* schema,
-                           base::ListValue* types) override {
+  void ExpectValid(const std::string& test_source,
+                   base::Value* instance,
+                   base::DictionaryValue* schema,
+                   base::ListValue* types) override {
     JSONSchemaValidator validator(schema, types);
     if (validator.Validate(instance))
       return;
@@ -27,12 +27,12 @@ class JSONSchemaValidatorCPPTest : public JSONSchemaValidatorTestBase {
     }
   }
 
-  virtual void ExpectNotValid(
-      const std::string& test_source,
-      base::Value* instance, base::DictionaryValue* schema,
-      base::ListValue* types,
-      const std::string& expected_error_path,
-      const std::string& expected_error_message) override {
+  void ExpectNotValid(const std::string& test_source,
+                      base::Value* instance,
+                      base::DictionaryValue* schema,
+                      base::ListValue* types,
+                      const std::string& expected_error_path,
+                      const std::string& expected_error_message) override {
     JSONSchemaValidator validator(schema, types);
     if (validator.Validate(instance)) {
       ADD_FAILURE() << test_source;