hg: openjfx/8/controls/rt: Fix build failure related to removal of FocuableTextField class.

[hang.vo at oracle.com]

Changeset: 5ff2565312e6
Author:    jgiles
Date:      2013-01-18 13:15 +1300
URL:       http://hg.openjdk.java.net/openjfx/8/controls/rt/rev/5ff2565312e6

Fix build failure related to removal of FocuableTextField class.

! javafx-ui-controls/src/com/sun/javafx/scene/control/behavior/TextFieldBehavior.java
! javafx-ui-controls/src/com/sun/javafx/scene/control/skin/ComboBoxListViewSkin.java
! javafx-ui-controls/src/javafx/scene/control/ComboBox.java