tree f9fec6a6ed928779a2c8c001ccc92cefba423134
parent ea642afb7d222fb92253f05dc8f895f605e3208b
author Lakshmi Shanmugam <lshanmug@in.ibm.com> 1603749208 +0100
committer Lakshmi P Shanmugam <lshanmug@in.ibm.com> 1621003499 -0400

Bug 569946 - Replace deprecated API in MessageBox

Replace the deprecated method:
NSAlert.beginSheetModalForWindow:modalDelegate:didEndSelector:contextInfo:
with  NSAlert.beginSheetModalForWindow:completionHandler:

Follows similar pattern as File/Directory Dialog for the completion
handler.

Change-Id: I55d101400a547f9e10227825c9651c1839c5ce86
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.swt/+/171339
Tested-by: Platform Bot <platform-bot@eclipse.org>
Reviewed-by: Lakshmi P Shanmugam <lshanmug@in.ibm.com>