Comment 8 for bug 1847597

I'm using a Ubuntu 16.04.6 LTS version.

The xprop output is:

XdndAware(ATOM) = BITMAP
_NET_WM_ICON_GEOMETRY(CARDINAL) = 1925, 737, 54, 54
WM_STATE(WM_STATE):
  window state: Normal
  icon window: 0x0
_NET_WM_DESKTOP(CARDINAL) = 0
_NET_WM_STATE(ATOM) = _NET_WM_STATE_MODAL
WM_HINTS(WM_HINTS):
  Client accepts input or input focus: True
  Initial state is Normal State.
  bitmap id # to use for icon: 0x6c00376
  bitmap id # of mask for icon: 0x6c0037c
  window id # of group leader: 0x6c00001
_GTK_MENUBAR_OBJECT_PATH(UTF8_STRING) = "/com/canonical/unity/gtk/window/1"
_UNITY_OBJECT_PATH(UTF8_STRING) = "/com/canonical/unity/gtk/window/1"
_GTK_UNIQUE_BUS_NAME(UTF8_STRING) = ":1.265"
_NET_WM_ICON(CARDINAL) = Icon (22 x 22):

       ░░ ░░░░
     ░░ ░ ░░░░▒░
   ░░ ░░ ░░ ░░ ░░
   ░ ░░░░░ ░░ ░░
  ▒ ░▒▒▒░░░ ░
 ░░ ░▒ ░▒░░░░ ░░
 ░░ ░ ░ ▒▒▒░ ░░ ░▒
 ▒░░ ░ ▒░░░░░░ ░░▒
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 ░▒░ ▒▒▒▒ ░▒░░░ ░▒▒░
  ▒░░ ░▒▒▒▒▒▒░ ░░ ░▒▒
  ░▒░░░▒▒▒▒░▒░░░░░░░▒░
   ▒▒ ░▒▒░▒░▒░░░░░░▒▒
   ░▒▒░░ ▒▒░▒▒░░░░▒▒░
   ░▒▒▓▓▒▓▒░░▒▒▒▓▓▒▒░
    ░░░▒░░ ░░░▒░░░

 Icon (16 x 16):
       ░░
    ░░░ ░
   ░ ░░
  ░ ░░
  ░ ░▒▒▒░
 ░░ ░░░ ▒
 ▒ ░ ▒▒▒░
 ▒░░ ░
 ▒░░ ░░░ ▒
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  ▒░░ ▒▒▒▒▒▒▒░
  ▒▒░░░▒▒▒▒
   ▒░ ░░▒░▒
    ░▒░░ ▒░
      ░▒▒▒

 Icon (24 x 24):

        ░░ ░░░░
      ░░ ░ ░░░░▒░
    ░░ ░░ ░░ ░░ ░░
    ░ ░░░░ ░░ ░
   ▒ ░▒▒▒░░░ ▒
  ░░ ░▒ ░▒░░░░ ░░
  ░░ ░ ░ ▒▒▒░ ░░ ░▒
  ▒░░ ░ ▒░░░░░░ ░▒
  ▒░░ ░░ ▒░░░░░░ ░▒▒
  ▒▒░ ░░░░░▒▒▒▒░░░ ░▒▒
  ░▒░ ▒▒▒▒ ░▒░░░ ░▒▒░
   ▒░░ ░▒▒▒▒▒▒░ ░░ ░▒▒
   ░▒░░░▒▒▒▒▒▒░░░░░░░▒░
    ▒▒ ░▒▒░▒░▒░░░░░░▒▒
    ░▒▒░░ ░▒░▒▒░░▒░▒▒░
    ░▒▒▓▓▒▓▒░░▒▒▒▒▓▒▒░
     ░░░▒░░░ ░░░▒░░░

 Icon (32 x 32):

          ░░ ░░░░
       ░░░ ░ ░░░░░░░░
      ░░ ░░ ░ ░░░░░
     ░ ░░ ░░ ░ ░
    ░ ░░ ░ ▒
   ░ ░░▒▒▒▒▒ ░░░ ░
   ░ ░ ░░ ░░░▓░ ▒
  ░░ ░ ░ ░░░░▒░░▒░ ░░ ░░
  ░░░░ ░ ▒▒▒▒░ ░░░
  ▒░░░ ░ ▒ ▒░ ░ ▒▒
  ▒░░░ ░░ ▒ ▒░░░░░ ░ ░░▒▒
  ▒▒░░ ░░░░░░░▒▒▒▒░░░░░░░ ▒▒▒
  ░▒░░ ░░░░▒▒▒ ▒░░▒░░░ ░▒▒░
   ▒░░ ░▒▒▒▒▒░░░▒░░▓░░░░ ░░▒▒
   ▒▒░░ ▒▒▒▒▒▒▒▒▒▒░ ░░░░░░▒▒
    ▒░░░░░▒▒▒░▒ ▒░░░░░░░░░▒▒
    ░▒░ ▒▒▒▒▒▒ ▒░░░░░░░ ░▒░
     ▒▒ ░░░░▒▒░░ ░▒░░░░░░░▒▒
     ░▒▒▒░░ ░▒▒▒░░░░▒▒░░▒░▒▓▒░░
      ░▒▒▓▓▓▓▓▒░░ ░▒▒▒▒▓▓▓▒▒░░
       ░░▒▒▒▒▒░░ ░░▒▒▒▒▒░░
           ░ ░░

_NET_FRAME_EXTENTS(CARDINAL) = 0, 0, 0, 0
_NET_WM_OPAQUE_REGION(CARDINAL) = 0, 0, 526, 511
_UNITY_GTK_BORDER_RADIUS(CARDINAL) = 7, 7, 0, 0
_MOTIF_WM_HINTS(_MOTIF_WM_HINTS) = 0x2, 0x0, 0x0, 0x0, 0x0
_NET_WM_ALLOWED_ACTIONS(ATOM) = _NET_WM_ACTION_MOVE, _NET_WM_ACTION_STICK, _NET_WM_ACTION_CLOSE, _NET_WM_ACTION_CHANGE_DESKTOP, _NET_WM_ACTION_ABOVE, _NET_WM_ACTION_BELOW
WM_TRANSIENT_FOR(WINDOW): window id # 0x6c0000f
_NET_WM_WINDOW_TYPE(ATOM) = _NET_WM_WINDOW_TYPE_DIALOG
_NET_WM_SYNC_REQUEST_COUNTER(CARDINAL) = 113247092, 113247093
_NET_WM_USER_TIME(CARDINAL) = 50932690
_NET_WM_USER_TIME_WINDOW(WINDOW): window id # 0x6c00373
WM_CLIENT_LEADER(WINDOW): window id # 0x6c00001
_NET_WM_PID(CARDINAL) = 28784
WM_LOCALE_NAME(STRING) = "en_GB.UTF-8"
WM_CLIENT_MACHINE(STRING) = "luigi-n580gd"
WM_NORMAL_HINTS(WM_SIZE_HINTS):
  program specified minimum size: 526 by 511
  program specified maximum size: 526 by 511
  program specified base size: 0 by 0
  window gravity: NorthWest
WM_PROTOCOLS(ATOM): protocols WM_DELETE_WINDOW, WM_TAKE_FOCUS, _NET_WM_PING, _NET_WM_SYNC_REQUEST
WM_CLASS(STRING) = "gnome-control-center", "Gnome-control-center"
WM_ICON_NAME(STRING) = "Google account"
_NET_WM_ICON_NAME(UTF8_STRING) = "Google account"
WM_NAME(STRING) = "Google account"
_NET_WM_NAME(UTF8_STRING) = "Google account"