replace OVERRIDE and FINAL with override and final in chrome/browser/extensions/

chrome/browser/extensions/extension_action_storage_manager.h

Index: chrome/browser/extensions/extension_action_storage_manager.h
diff --git a/chrome/browser/extensions/extension_action_storage_manager.h b/chrome/browser/extensions/extension_action_storage_manager.h
index 37b2ed5055d37c39d28cbf0a83a15649ac66bf12..34d9dc5e234a9e7a8f6e1346758e9d53883653cc 100644
--- a/chrome/browser/extensions/extension_action_storage_manager.h
+++ b/chrome/browser/extensions/extension_action_storage_manager.h
@@ -34,12 +34,12 @@ class ExtensionActionStorageManager : public ExtensionActionAPI::Observer,
   virtual void OnExtensionActionUpdated(
       ExtensionAction* extension_action,
       content::WebContents* web_contents,
-      content::BrowserContext* browser_context) OVERRIDE;
-  virtual void OnExtensionActionAPIShuttingDown() OVERRIDE;
+      content::BrowserContext* browser_context) override;
+  virtual void OnExtensionActionAPIShuttingDown() override;
 
   // ExtensionRegistryObserver:
   virtual void OnExtensionLoaded(content::BrowserContext* browser_context,
-                                 const Extension* extension) OVERRIDE;
+                                 const Extension* extension) override;
 
   // Reads/Writes the ExtensionAction's default values to/from storage.
   void WriteToStorage(ExtensionAction* extension_action);