tree 1f29fb092a3a98610128821cd4f13721dfad7b49
parent 1e78e434384b590328bd53720fce8dde7ac7258a
author Tom Sepez <tsepez@chromium.org> 1547588443 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1547588443 +0000

Remove unused CFWL_Message constructors.

Make Clone() method a pure virtual since all subclasses
override it themselves. Make copy constructor protected in
parent class, and ensure all subclasses instantiate copy
constructors once in their .cpp files rather than defaulting.

Change-Id: Iea41c1683896c792c850ee0c37d6021d74f51e9e
Reviewed-on: https://pdfium-review.googlesource.com/c/48331
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>