MESSAGE_CENTER_EXPORT 15 ui/message_center/message_center_export.h #define MESSAGE_CENTER_EXPORT __declspec(dllexport) MESSAGE_CENTER_EXPORT 17 ui/message_center/message_center_export.h #define MESSAGE_CENTER_EXPORT __declspec(dllimport) MESSAGE_CENTER_EXPORT 22 ui/message_center/message_center_export.h #define MESSAGE_CENTER_EXPORT __attribute__((visibility("default"))) MESSAGE_CENTER_EXPORT 24 ui/message_center/message_center_export.h #define MESSAGE_CENTER_EXPORT MESSAGE_CENTER_EXPORT 29 ui/message_center/message_center_export.h #define MESSAGE_CENTER_EXPORT