[baobab] Use the new support for RTL icons in GtkIconTheme

[Stefano Facchini <sfacchini src gnome org>]

commit c58dde35fde44ae8d8003953d7ebc92cb87ef814
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Wed May 21 15:46:06 2014 +0200

    Use the new support for RTL icons in GtkIconTheme
    
    And avoid the deprecated GtkArrow at the same time.
    Note that a recent adwaita-icon-theme is required.

 src/baobab-location-row.ui |    5 ++---
 src/baobab-main-window.ui  |    1 +
 src/baobab-window.vala     |    7 -------
 3 files changed, 3 insertions(+), 10 deletions(-)
---
diff --git a/src/baobab-location-row.ui b/src/baobab-location-row.ui
index ebdc979..54d5465 100644
--- a/src/baobab-location-row.ui
+++ b/src/baobab-location-row.ui
@@ -92,9 +92,8 @@
           </packing>
         </child>
         <child>
-          <object class="GtkArrow" id="arrow">
-            <property name="arrow_type">right</property>
-            <property name="shadow_type">none</property>
+          <object class="GtkImage" id="arrow">
+            <property name="icon_name">go-next-symbolic</property>
           </object>
           <packing>
             <property name="left_attach">3</property>
diff --git a/src/baobab-main-window.ui b/src/baobab-main-window.ui
index e8c387a..a378d7a 100644
--- a/src/baobab-main-window.ui
+++ b/src/baobab-main-window.ui
@@ -66,6 +66,7 @@
             <child>
               <object class="GtkImage" id="back_button_image">
                 <property name="visible">True</property>
+                <property name="icon_name">go-previous-symbolic</property>
                 <property name="icon_size">1</property>
               </object>
             </child>
diff --git a/src/baobab-window.vala b/src/baobab-window.vala
index 029d290..ce9f9fb 100644
--- a/src/baobab-window.vala
+++ b/src/baobab-window.vala
@@ -139,13 +139,6 @@ namespace Baobab {
 
             setup_treeview ();
 
-            var back_button_image = back_button.get_child () as Gtk.Image;
-            if (get_direction () == Gtk.TextDirection.LTR) {
-                back_button_image.icon_name = "go-previous-symbolic";
-            } else {
-                back_button_image.icon_name = "go-previous-rtl-symbolic";
-            }
-
             infobar_close_button.clicked.connect (() => { clear_message (); });
 
             ui_settings = Application.get_ui_settings ();