[gtk/gtk-3-24: 2/2] Merge branch 'selection-mode-ancestor-3' into 'gtk-3-24'

[Jakub Steiner <jimmac src gnome org>]

commit 7e0aba77ff18424d19935af3a0ba001f7ceb3569
Merge: cbf76d4693 43c458f45f
Author: Jakub Steiner <jimmac gmail com>
Date:   Mon Sep 10 08:59:37 2018 +0000

    Merge branch 'selection-mode-ancestor-3' into 'gtk-3-24'
    
    Adwaita: Set selection mode to headerbars if it's on ancestors
    
    See merge request GNOME/gtk!325

 gtk/theme/Adwaita/_common.scss           |  3 ++
 gtk/theme/Adwaita/gtk-contained-dark.css | 70 ++++++++++++++++----------------
 gtk/theme/Adwaita/gtk-contained.css      | 70 ++++++++++++++++----------------
 3 files changed, 73 insertions(+), 70 deletions(-)
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