[Session restore] Rename group name Enabled to Restore.

chrome/browser/sessions/session_restore_delegate.cc

Index: chrome/browser/sessions/session_restore_delegate.cc
diff --git a/chrome/browser/sessions/session_restore_delegate.cc b/chrome/browser/sessions/session_restore_delegate.cc
index 67e1d98e0b5f7a447eeff96b01a5892fe3c246b5..9a4006013a4792cfe927238c371bc9f793594940 100644
--- a/chrome/browser/sessions/session_restore_delegate.cc
+++ b/chrome/browser/sessions/session_restore_delegate.cc
@@ -17,7 +17,7 @@ void SessionRestoreDelegate::RestoreTabs(
   base::FieldTrial* trial =
       base::FieldTrialList::Find("SessionRestoreBackgroundLoading");
   bool active_only = true;
-  if (!trial || trial->group_name() == "Enabled") {
+  if (!trial || trial->group_name() == "Restore") {
     TabLoader::RestoreTabs(tabs, restore_started);
     active_only = false;
   }