RecordInvalidStructure 1214 chrome/browser/history/thumbnail_database.cc     RecordInvalidStructure(STRUCTURE_EVENT_VERSION4);
RecordInvalidStructure 1222 chrome/browser/history/thumbnail_database.cc     RecordInvalidStructure(STRUCTURE_EVENT_VERSION5);
RecordInvalidStructure 1255 chrome/browser/history/thumbnail_database.cc     RecordInvalidStructure(STRUCTURE_EVENT_FAVICON);