IPC_ENUM_TRAITS_MAX_VALUE   31 extensions/common/extension_messages.h IPC_ENUM_TRAITS_MAX_VALUE(extensions::ViewType, extensions::VIEW_TYPE_LAST)
IPC_ENUM_TRAITS_MAX_VALUE   36 ipc/param_traits_macros.h #define IPC_ENUM_TRAITS_MAX_VALUE(type, maxvalue) \