Force active focus for touch begin

This fixes the focusing issues on touch devices.

Change-Id: I26c0080ea70aeabbd608e15fbd3705b907bdb68e
Reviewed-by: Jocelyn Turcotte <jocelyn.turcotte@digia.com>

src/webengine/render_widget_host_view_qt_delegate_quick.cpp

@@ -192,6 +192,8 @@ void RenderWidgetHostViewQtDelegateQuick::wheelEvent(QWheelEvent *event)
 
 void RenderWidgetHostViewQtDelegateQuick::touchEvent(QTouchEvent *event)
 {
+    if (event->type() == QEvent::TouchBegin && !m_isPopup)
+        forceActiveFocus();
     m_client->forwardEvent(event);
 }