hg: lanai/lanai: 8231056: Refactor code to remove repetative logic in MTLLayer

[jayathirth.d.v at oracle.com]

Changeset: 6e0170bf0ace
Author:    jdv
Date:      2019-09-19 10:58 +0530
URL:       https://hg.openjdk.java.net/lanai/lanai/rev/6e0170bf0ace

8231056: Refactor code to remove repetative logic in MTLLayer
Reviewed-by: aghaisas

! src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MTLLayer.h
! src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MTLLayer.m