Add OVERRIDE to chrome/browser/.

chrome/browser/search_engines/search_provider_install_data.h

Index: chrome/browser/search_engines/search_provider_install_data.h
diff --git a/chrome/browser/search_engines/search_provider_install_data.h b/chrome/browser/search_engines/search_provider_install_data.h
index fac303dfeda06e9940be57f2527664a3be844025..a7b8dfdee8a906376c2b3f6c98c49ea9c3aad81a 100644
--- a/chrome/browser/search_engines/search_provider_install_data.h
+++ b/chrome/browser/search_engines/search_provider_install_data.h
@@ -69,8 +69,9 @@ class SearchProviderInstallData : public WebDataServiceConsumer,
   // Notification that the keywords have been loaded.
   // This is invoked from WebDataService, and should not be directly
   // invoked.
-  virtual void OnWebDataServiceRequestDone(WebDataService::Handle h,
-                                           const WDTypedResult* result);
+  virtual void OnWebDataServiceRequestDone(
+      WebDataService::Handle h,
+      const WDTypedResult* result) OVERRIDE;
 
   // Stores information about the default search provider.
   void SetDefault(const TemplateURL* template_url);