When we hide the action, also hide its toolbutton.

Originally-By: kh1

src/plugins/coreplugin/fancyactionbar.h

@@ -43,6 +43,8 @@ namespace Internal {
 
 class FancyToolButton : public QToolButton
 {
+    Q_OBJECT
+
 public:
     FancyToolButton(QWidget *parent = 0);
 
@@ -50,6 +52,9 @@ public:
     QSize sizeHint() const;
     QSize minimumSizeHint() const;
 
+private slots:
+    void actionChanged();
+
 private:
     const QMap<QString, QPicture> &m_buttonElements;
 };