replace OVERRIDE and FINAL with override and final in extensions/

extensions/browser/content_verifier.h

Index: extensions/browser/content_verifier.h
diff --git a/extensions/browser/content_verifier.h b/extensions/browser/content_verifier.h
index 4520c0424b7a8fd1a1e439147345429465d8d576..83c89b755696fe4afb04afbed7b4d98ea1721df2 100644
--- a/extensions/browser/content_verifier.h
+++ b/extensions/browser/content_verifier.h
@@ -56,11 +56,11 @@ class ContentVerifier : public base::RefCountedThreadSafe<ContentVerifier>,
 
   // ExtensionRegistryObserver interface
   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;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ContentVerifier);