[gnome-music] window: don't show search bar's bottom border

[Marinus Schraal <mschraal src gnome org>]

commit fc7955acb641db8eb8aa077dd736734b5e9e7069
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Aug 11 20:03:23 2016 -0300

    window: don't show search bar's bottom border
    
    A hackish solution to a hackish problem.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=769772

 gnomemusic/window.py |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gnomemusic/window.py b/gnomemusic/window.py
index a1a3038..fb1bb07 100644
--- a/gnomemusic/window.py
+++ b/gnomemusic/window.py
@@ -193,6 +193,11 @@ class Window(Gtk.ApplicationWindow):
             transition_duration=100,
             visible=True,
             can_focus=False)
+
+        # Add the 'background' styleclass so it properly hides the
+        # bottom line of the searchbar
+        self._stack.get_style_context().add_class('background')
+
         self._overlay = Gtk.Overlay(child=self._stack)
         self._overlay.add_overlay(self.toolbar.dropdown)
         self.set_titlebar(self.toolbar.header_bar)