Fix virtual/override/final usage in Source/modules/.

Source/modules/webdatabase/InspectorDatabaseAgent.h

Index: Source/modules/webdatabase/InspectorDatabaseAgent.h
diff --git a/Source/modules/webdatabase/InspectorDatabaseAgent.h b/Source/modules/webdatabase/InspectorDatabaseAgent.h
index d4d082057ab0fb56e407c14aa9c8074d2f41de42..07fef3992ee3c1e0a808ddb00730fbb611ab8841 100644
--- a/Source/modules/webdatabase/InspectorDatabaseAgent.h
+++ b/Source/modules/webdatabase/InspectorDatabaseAgent.h
@@ -54,7 +54,7 @@ public:
     {
         return adoptPtrWillBeNoop(new InspectorDatabaseAgent(page));
     }
-    virtual ~InspectorDatabaseAgent();
+    ~InspectorDatabaseAgent() override;
     DECLARE_VIRTUAL_TRACE();
 
     void disable(ErrorString*) override;
@@ -62,9 +62,9 @@ public:
     void didCommitLoadForLocalFrame(LocalFrame*) override;
 
     // Called from the front-end.
-    virtual void enable(ErrorString*) override;
-    virtual void getDatabaseTableNames(ErrorString*, const String& databaseId, RefPtr<TypeBuilder::Array<String>>& names) override;
-    virtual void executeSQL(ErrorString*, const String& databaseId, const String& query, PassRefPtrWillBeRawPtr<ExecuteSQLCallback>) override;
+    void enable(ErrorString*) override;
+    void getDatabaseTableNames(ErrorString*, const String& databaseId, RefPtr<TypeBuilder::Array<String>>& names) override;
+    void executeSQL(ErrorString*, const String& databaseId, const String& query, PassRefPtrWillBeRawPtr<ExecuteSQLCallback>) override;
 
     void didOpenDatabase(Database*, const String& domain, const String& name, const String& version);
 private: