Code Cleanup for extension_prefs, as AddDisableReasons() is not required same behavior can be achie…

extensions/browser/extension_prefs.cc

Index: extensions/browser/extension_prefs.cc
diff --git a/extensions/browser/extension_prefs.cc b/extensions/browser/extension_prefs.cc
index 87ea7bcffdb2f02ea9e7533792d6e17ea644af20..a6fa6220ca5b409be025ff8c622b83a5543d0c57 100644
--- a/extensions/browser/extension_prefs.cc
+++ b/extensions/browser/extension_prefs.cc
@@ -749,11 +749,6 @@ void ExtensionPrefs::AddDisableReason(const std::string& extension_id,
   ModifyDisableReasons(extension_id, disable_reason, DISABLE_REASON_ADD);
 }
 
-void ExtensionPrefs::AddDisableReasons(const std::string& extension_id,
-                                       int disable_reasons) {
-  ModifyDisableReasons(extension_id, disable_reasons, DISABLE_REASON_ADD);
-}
-
 void ExtensionPrefs::RemoveDisableReason(
     const std::string& extension_id,
     Extension::DisableReason disable_reason) {