MigrateVisitsWithoutDuration  134 chrome/browser/history/archived_database.cc     if (!MigrateVisitsWithoutDuration()) {
MigrateVisitsWithoutDuration  360 chrome/browser/history/history_database.cc     if (!MigrateVisitsWithoutDuration()) {
MigrateVisitsWithoutDuration  220 chrome/browser/history/visit_database.h   bool MigrateVisitsWithoutDuration();