replace OVERRIDE and FINAL with override and final in extensions/

extensions/browser/test_extension_registry_observer.h

Index: extensions/browser/test_extension_registry_observer.h
diff --git a/extensions/browser/test_extension_registry_observer.h b/extensions/browser/test_extension_registry_observer.h
index 70a797da0558d2a6923b5496a8f1756b6094eb5e..398b4dfe4a7ec7b86eb557d86b85bb42eadf7291 100644
--- a/extensions/browser/test_extension_registry_observer.h
+++ b/extensions/browser/test_extension_registry_observer.h
@@ -32,17 +32,17 @@ class TestExtensionRegistryObserver : public ExtensionRegistryObserver {
       const Extension* extension,
       bool is_update,
       bool from_ephemeral,
-      const std::string& old_name) OVERRIDE;
+      const std::string& old_name) override;
   virtual void OnExtensionUninstalled(
       content::BrowserContext* browser_context,
       const Extension* extension,
-      extensions::UninstallReason reason) OVERRIDE;
+      extensions::UninstallReason reason) override;
   virtual void OnExtensionLoaded(content::BrowserContext* browser_context,
-                                 const Extension* extension) OVERRIDE;
+                                 const Extension* extension) override;
   virtual void OnExtensionUnloaded(
       content::BrowserContext* browser_context,
       const Extension* extension,
-      UnloadedExtensionInfo::Reason reason) OVERRIDE;
+      UnloadedExtensionInfo::Reason reason) override;
 
   scoped_ptr<Waiter> will_be_installed_waiter_;
   scoped_ptr<Waiter> uninstalled_waiter_;