UserDriven        117 Source/core/html/HTMLSelectElement.cpp     selectOption(optionIndex, DeselectOtherOptions | (fireOnChangeNow ? DispatchInputAndChangeEvent : 0) | UserDriven);
UserDriven        904 Source/core/html/HTMLSelectElement.cpp         m_isProcessingUserDrivenChange = flags & UserDriven;
UserDriven       1185 Source/core/html/HTMLSelectElement.cpp             selectOption(listToOptionIndex(listIndex), DeselectOtherOptions | DispatchInputAndChangeEvent | UserDriven);
UserDriven       1574 Source/core/html/HTMLSelectElement.cpp     selectOption(listToOptionIndex(index), DeselectOtherOptions | DispatchInputAndChangeEvent | UserDriven);
UserDriven       1604 Source/core/html/HTMLSelectElement.cpp                 selectOption(index, DispatchInputAndChangeEvent | UserDriven);