[polari] roomList: Add default arrow icon to headers

[Florian Müllner <fmuellner src gnome org>]

commit 1e9aee732c3fcf478e89d7a18ec8891f138f2c6d
Author: Isabella Ribeiro <belinhacbr gmail com>
Date:   Sat Feb 13 22:08:01 2016 -0200

    roomList: Add default arrow icon to headers
    
    Since commit 6ef2e5737, the header popovers are used for connection
    management, so the headers are now always sensitive. However that's
    not obvious to users, so add an arrow icon to indicate that there's
    a menu.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=762015

 data/resources/room-list-header.ui |    5 +++--
 src/roomList.js                    |    2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/data/resources/room-list-header.ui b/data/resources/room-list-header.ui
index 75ae288..d824f23 100644
--- a/data/resources/room-list-header.ui
+++ b/data/resources/room-list-header.ui
@@ -59,11 +59,12 @@
               </packing>
             </child>
             <child>
-              <object class="GtkBox">
+              <object class="GtkImage">
+                <property name="icon-name">pan-down-symbolic</property>
                 <property name="visible">True</property>
               </object>
               <packing>
-                <property name="name">none</property>
+                <property name="name">default</property>
               </packing>
             </child>
           </object>
diff --git a/src/roomList.js b/src/roomList.js
index 8ea9e77..3bad1e2 100644
--- a/src/roomList.js
+++ b/src/roomList.js
@@ -231,7 +231,7 @@ const RoomListHeader = new Lang.Class({
                        reason != Tp.ConnectionStatusReason.REQUESTED);
         let isAuth = isError && this._account.connection_error == authError;
 
-        let child = 'none';
+        let child = 'default';
         if (status == Tp.ConnectionStatus.CONNECTING) {
             if (this._networkMonitor.network_available)
                 child = 'connecting';