[Lazarus] TTrayIcon on Cocoa

[dmitry boyarintsev]

> In a directory above Cocoa directory. Then we would need to alter the
> Makefiles in both Carbon and Cocoa interfaces to see them ... I always
> have trouble with these makefiles.
needs to be discussed in lazarus-dev

> Do you think we should keep the define? I mean, is it a problem to
> have all Carbon software depend on Cocoa too?
imho, defines should be removed long time ago.
We won't make Carbon 100% LCL compatible without using Cocoa anyway.

thanks,
dmitry