utils/detailwidget: style & make stuff private

src/libs/utils/detailswidget.h

@@ -37,13 +37,9 @@
 
 #include <QtGui/QWidget>
 
-QT_BEGIN_NAMESPACE
-class QPixmap;
-QT_END_NAMESPACE
-
 namespace Utils {
 
-struct DetailsWidgetPrivate;
+class DetailsWidgetPrivate;
 class FadingPanel;
 
 class QTCREATOR_UTILS_EXPORT DetailsWidget : public QWidget
@@ -94,6 +90,7 @@ public:
 signals:
     void checked(bool);
     void linkActivated(const QString &link);
+
 private slots:
     void setExpanded(bool);
 
@@ -103,12 +100,7 @@ protected:
     virtual void leaveEvent(QEvent *event);
 
 private:
-    void updateControls();
-    QPixmap cacheBackground(const QSize &size, bool expanded);
-    void changeHoverState(bool hovered);
-
     DetailsWidgetPrivate *d;
-    QString m_additionalSummaryText;
 };
 
 } // namespace Utils