[gnome-usage] settings: Unify GLib.Settings and Usage.Settings

[Gitlab Administrative User <gitlab src gnome org>]

commit 2e9f7bf430c117cdea21ec681d4cb0ec55af7b27
Author: Felipe Borges <felipeborges gnome org>
Date:   Mon Nov 6 11:29:46 2017 +0100

    settings: Unify GLib.Settings and Usage.Settings
    
    We can encapsulate both in the same class for clarity.

 src/process-row.vala | 2 +-
 src/settings.vala    | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/src/process-row.vala b/src/process-row.vala
index a7e9f31..f8e34ce 100644
--- a/src/process-row.vala
+++ b/src/process-row.vala
@@ -218,7 +218,7 @@ namespace Usage
             }
             else
             {
-                var settings = new GLib.Settings ("org.gnome.Usage");
+                var settings = Settings.get_default();
                 if (process.cmdline in settings.get_strv ("unkillable-processes"))
                     return;
 
diff --git a/src/settings.vala b/src/settings.vala
index b2783b6..83bb531 100644
--- a/src/settings.vala
+++ b/src/settings.vala
@@ -22,7 +22,7 @@ using Gtk;
 
 namespace Usage {
 
-    public class Settings : Object
+    public class Settings : GLib.Settings
     {
         public uint graph_timespan { get; set; default = 15000;}
         public uint graph_max_samples { get; set; default = 20; }
@@ -40,5 +40,10 @@ namespace Usage {
 
             return settings;
         }
+
+        public Settings()
+        {
+            Object(schema_id: "org.gnome.Usage");
+        }
     }
 }