SupervisedUserService::Delegate: provide default impls of non-required methods

chrome/browser/supervised_user/supervised_user_service.cc

Index: chrome/browser/supervised_user/supervised_user_service.cc
diff --git a/chrome/browser/supervised_user/supervised_user_service.cc b/chrome/browser/supervised_user/supervised_user_service.cc
index 62b03f3ed636ba8e5243d985e12854e3c7dd71fd..e51885292e1c884b89a4208b42543a85609054e1 100644
--- a/chrome/browser/supervised_user/supervised_user_service.cc
+++ b/chrome/browser/supervised_user/supervised_user_service.cc
@@ -70,6 +70,14 @@ using base::DictionaryValue;
 using base::UserMetricsAction;
 using content::BrowserThread;
 
+base::FilePath SupervisedUserService::Delegate::GetBlacklistPath() const {
+  return base::FilePath();
+}
+
+GURL SupervisedUserService::Delegate::GetBlacklistURL() const {
+  return GURL();
+}
+
 SupervisedUserService::URLFilterContext::URLFilterContext()
     : ui_url_filter_(new SupervisedUserURLFilter),
       io_url_filter_(new SupervisedUserURLFilter) {}