gnome-screenshot can't include drag-and-drop link-making mouse cursor

Ubuntu release
==============

Description: Ubuntu 16.04.1 LTS
Release: 16.04

Package version
===============

gnome-screenshot:
  Installed: 3.18.0-1ubuntu2
  Candidate: 3.18.0-1ubuntu2
  Version table:
 *** 3.18.0-1ubuntu2 500
        500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
        100 /var/lib/dpkg/status

What was expected
=================

1. Run `gnome-screenshot -p -d 15`
2. In Nautilus, click and drag a file
3. Press Ctrl and Shift to turn mouse pointer into a link-making cursor
4. Wait 15 seconds
5. See that screenshot includes mouse pointer

What happened
=============

Screenshot includes no mouse pointer

Attachments
===========

Screenshot with files being dragged and Ctrl and Shift being held. No mouse pointer shows up.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: gnome-screenshot 3.18.0-1ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-53.74-generic 4.4.30
Uname: Linux 4.4.0-53-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Dec 19 16:54:04 2016
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-xenial-amd64-20160624-2
EcryptfsInUse: Yes
InstallationDate: Installed on 2016-11-01 (48 days ago)
InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47
SourcePackage: gnome-screenshot
UpgradeStatus: No upgrade log present (probably fresh install)