Change Details

`PhutilErrorHandler` already defines "DEPRECATED" error class, but it's not used. I plan to use it to report deprecation warnings. With this change, they will be shown in the Dark Console and in the error logs Ref T15554

`PhutilErrorHandler` already defines "DEPRECATED" error class, but it's not used. I plan to use it to report deprecation warnings. With this change, they will be shown in the Dark Console and in the error logs Ref T15554 This change on its own won't do anything, but is safe to land first.

`PhutilErrorHandler` already defines "DEPRECATED" error class, but it's not used. I plan to use it to report deprecation warnings. With this change, they will be shown in the Dark Console and in the error logs Ref T15554 This change on its own won't do anything, but is safe to land first.