Debugger: Set model object names at construction time

Change-Id: Ib1d273ef2c2bb97a2343da6d361fde7c01012040
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>

src/plugins/debugger/threadshandler.cpp

@@ -135,6 +135,7 @@ ThreadsHandler::ThreadsHandler()
     m_emptyIcon(QLatin1String(":/debugger/images/debugger_empty_14.png"))
 {
     m_resetLocationScheduled = false;
+    setObjectName(QLatin1String("ThreadsModel"));
 //    m_proxyModel = new QSortFilterProxyModel(this);
 //    m_proxyModel->setSourceModel(this);
 }