CHANGE_REASON_REPLACED 1007 chrome/browser/ui/browser.cc   UpdateToolbar((reason & CHANGE_REASON_REPLACED) == 0);
CHANGE_REASON_REPLACED  362 chrome/browser/ui/tabs/tab_strip_model.cc                          TabStripModelObserver::CHANGE_REASON_REPLACED));
CHANGE_REASON_REPLACED 2097 chrome/browser/ui/tabs/tab_strip_model_unittest.cc   state.change_reason = TabStripModelObserver::CHANGE_REASON_REPLACED;