ExpireFaviconsIfNecessary  734 chrome/browser/sync/glue/favicon_cache.cc   ExpireFaviconsIfNecessary(&image_changes, &tracking_changes);
ExpireFaviconsIfNecessary  157 chrome/browser/sync/glue/favicon_cache.h   void ExpireFaviconsIfNecessary(syncer::SyncChangeList* image_changes,