[nautilus] desktop: convert css name to style class

[Carlos Soriano Sánchez <csoriano src gnome org>]

commit 2a17859961fc2ebf0eae03195d80fed681b4b9cd
Author: Carlos Soriano <csoriano gnome org>
Date:   Mon Feb 15 11:04:46 2016 +0100

    desktop: convert css name to style class
    
    We expect any GtkWindow to actually have the window style.
    So instead of changing the css node, just apply a style class.
    
    This will be needed for upcoming patches.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=761965

 src/nautilus-desktop-window.c  |    5 +++--
 src/resources/css/nautilus.css |    6 +++---
 2 files changed, 6 insertions(+), 5 deletions(-)
---
diff --git a/src/nautilus-desktop-window.c b/src/nautilus-desktop-window.c
index 910d150..cd52182 100644
--- a/src/nautilus-desktop-window.c
+++ b/src/nautilus-desktop-window.c
@@ -217,6 +217,9 @@ nautilus_desktop_window_init (NautilusDesktopWindow *window)
 {
        window->details = G_TYPE_INSTANCE_GET_PRIVATE (window, NAUTILUS_TYPE_DESKTOP_WINDOW,
                                                       NautilusDesktopWindowDetails);
+       gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (window)),
+                                    "nautilus-desktop-window");
+
 }
 
 static void
@@ -389,8 +392,6 @@ nautilus_desktop_window_class_init (NautilusDesktopWindowClass *klass)
        nclass->sync_title = real_sync_title;
        nclass->close = real_window_close;
 
-       gtk_widget_class_set_css_name (wclass, "nautilus-desktop-window");
-
        g_type_class_add_private (klass, sizeof (NautilusDesktopWindowDetails));
 }
 
diff --git a/src/resources/css/nautilus.css b/src/resources/css/nautilus.css
index 6a8b9a9..1bc8343 100644
--- a/src/resources/css/nautilus.css
+++ b/src/resources/css/nautilus.css
@@ -3,8 +3,8 @@
   -gtk-outline-radius: 20px;
 }
 
-nautilus-desktop-window,
-nautilus-desktop-window notebook,
-nautilus-desktop-window notebook > stack {
+.nautilus-desktop-window,
+.nautilus-desktop-window notebook,
+.nautilus-desktop-window notebook > stack {
     background: transparent;
 }