Split StatsTreeDialog into StatsTreeDialog and TapParameterDialog (its
base class). This more closely matches the GTK+ UI and paves the way for
more statistics dialogs.
Change-Id: I2630385534e829d99724673ade372fcb33200d07
Reviewed-on: https://code.wireshark.org/review/8842
Petri-Dish: Gerald Combs <gerald@wireshark.org>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Gerald Combs <gerald@wireshark.org>