LOADING_ONLY      240 chrome/browser/extensions/activity_log/uma_policy.cc   if (change_type != TabStripModelObserver::LOADING_ONLY)
LOADING_ONLY     1955 chrome/browser/ui/browser.cc         TabStripModelObserver::LOADING_ONLY);
LOADING_ONLY     1132 chrome/browser/ui/gtk/tabs/tab_strip_gtk.cc                   change_type == LOADING_ONLY);