Add OVERRIDE to content/.

content/browser/appcache/chrome_appcache_service.h

Index: content/browser/appcache/chrome_appcache_service.h
diff --git a/content/browser/appcache/chrome_appcache_service.h b/content/browser/appcache/chrome_appcache_service.h
index 3717dc1de395eef3f82f3dcdbcf84471c6513025..69498c2056314f5180a4a685e44b3f3284f41788 100644
--- a/content/browser/appcache/chrome_appcache_service.h
+++ b/content/browser/appcache/chrome_appcache_service.h
@@ -58,14 +58,14 @@ class CONTENT_EXPORT ChromeAppCacheService
 
   // AppCachePolicy overrides
   virtual bool CanLoadAppCache(const GURL& manifest_url,
-                               const GURL& first_party);
+                               const GURL& first_party) OVERRIDE;
   virtual bool CanCreateAppCache(const GURL& manifest_url,
-                                 const GURL& first_party);
+                                 const GURL& first_party) OVERRIDE;
 
   // content::NotificationObserver override
   virtual void Observe(int type,
                        const content::NotificationSource& source,
-                       const content::NotificationDetails& details);
+                       const content::NotificationDetails& details) OVERRIDE;
 
   const content::ResourceContext* resource_context_;
   content::NotificationRegistrar registrar_;