MatchPrefix      1571 Source/core/html/HTMLSelectElement.cpp     int index = m_typeAhead.handleEvent(event, TypeAhead::MatchPrefix | TypeAhead::CycleFirstChar);
MatchPrefix        85 Source/core/html/forms/TypeAhead.cpp     } else if (matchMode & MatchPrefix) {
MatchPrefix        84 Source/core/html/shadow/DateTimeSymbolicFieldElement.cpp     int index = m_typeAhead.handleEvent(keyboardEvent, TypeAhead::MatchPrefix | TypeAhead::CycleFirstChar | TypeAhead::MatchIndex);