[gnome-documents] documents: fix double declaration of DocumentManager

[Cosimo Cecchi <cosimoc src gnome org>]

commit b5c7f549238bd113c0a09109ada91c9a707dc8c7
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Jun 4 21:12:10 2012 -0400

    documents: fix double declaration of DocumentManager
    
    Fix startup

 src/documents.js |   17 +++++------------
 1 files changed, 5 insertions(+), 12 deletions(-)
---
diff --git a/src/documents.js b/src/documents.js
index e0c5629..62dc1bd 100644
--- a/src/documents.js
+++ b/src/documents.js
@@ -796,18 +796,15 @@ const GoogleDocument = new Lang.Class({
     }
 });
 
-function SkydriveDocument(cursor) {
-    this._init(cursor);
-}
-
-SkydriveDocument.prototype = {
-    __proto__: DocCommon.prototype,
+const SkydriveDocument = new Lang.Class({
+    Name: 'SkydriveDocument',
+    Extends: DocCommon,
 
     _init: function(cursor) {
         this._triedThumbnailing = true;
         this._failedThumbnailing = true;
 
-        DocCommon.prototype._init.call(this, cursor);
+        this.parent(cursor);
 
         // overridden
         this.defaultAppName = _("Skydrive");
@@ -894,11 +891,7 @@ SkydriveDocument.prototype = {
     canTrash: function() {
         return false;
     }
-}
-
-function DocumentManager() {
-    this._init();
-}
+});
 
 const DocumentManager = new Lang.Class({
     Name: 'DocumentManager',