qmlprofiler: instantiate docks when using the toolbar

Change-Id: Ic839a4cf18494115a9a9ace4738ecb163722c40b
Reviewed-on: http://codereview.qt.nokia.com/1244
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/qmlprofiler/qmlprofilertool.h

@@ -91,6 +91,7 @@ private:
     void updateAttachAction(bool isCurrentTool);
     void connectToClient();
     void updateRecordingState();
+    void ensureWidgets();
 
     class QmlProfilerToolPrivate;
     QmlProfilerToolPrivate *d;