Revert "GTK: Remove calls that no longer exist and just call the base unref."

webkit/glue/webcursor_gtk.cc

Index: webkit/glue/webcursor_gtk.cc
diff --git a/webkit/glue/webcursor_gtk.cc b/webkit/glue/webcursor_gtk.cc
index b9fff015a90c51ae118d77cf9a45e746d102c17b..ce23ea8d1bb5c96115aa740a665daad6a11efc16 100644
--- a/webkit/glue/webcursor_gtk.cc
+++ b/webkit/glue/webcursor_gtk.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -182,10 +182,10 @@ GdkCursor* WebCursor::GetCustomCursor() {
                                                  hotspot_.x(),
                                                  hotspot_.y());
 
-  g_object_unref(pixbuf);
+  gdk_pixbuf_unref(pixbuf);
 
   if (unref_)
-    g_object_unref(unref_);
+    gdk_cursor_unref(unref_);
   unref_ = cursor;
   return cursor;
 }