Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/webdatabase/Database.h

Index: Source/modules/webdatabase/Database.h
diff --git a/Source/modules/webdatabase/Database.h b/Source/modules/webdatabase/Database.h
index 454cdec6b2ef841b034a43d26025b4faa34dca3e..18c852c60d4b33349481006bf4ec3b47743298c4 100644
--- a/Source/modules/webdatabase/Database.h
+++ b/Source/modules/webdatabase/Database.h
@@ -48,12 +48,12 @@ class SQLTransactionCallback;
 class SQLTransactionErrorCallback;
 class VoidCallback;
 
-class Database : public DatabaseBase, public DatabaseBackend, public ScriptWrappable {
+class Database FINAL : public DatabaseBase, public DatabaseBackend, public ScriptWrappable {
 public:
     virtual ~Database();
 
     // Direct support for the DOM API
-    virtual String version() const;
+    virtual String version() const OVERRIDE;
     void changeVersion(const String& oldVersion, const String& newVersion, PassOwnPtr<SQLTransactionCallback>, PassOwnPtr<SQLTransactionErrorCallback>, PassOwnPtr<VoidCallback> successCallback);
     void transaction(PassOwnPtr<SQLTransactionCallback>, PassOwnPtr<SQLTransactionErrorCallback>, PassOwnPtr<VoidCallback> successCallback);
     void readTransaction(PassOwnPtr<SQLTransactionCallback>, PassOwnPtr<SQLTransactionErrorCallback>, PassOwnPtr<VoidCallback> successCallback);
@@ -64,9 +64,9 @@ public:
 
     Vector<String> tableNames();
 
-    virtual SecurityOrigin* securityOrigin() const;
+    virtual SecurityOrigin* securityOrigin() const OVERRIDE;
 
-    virtual void closeImmediately();
+    virtual void closeImmediately() OVERRIDE;
 
     void scheduleTransactionCallback(SQLTransaction*);