Index: WebCore/platform/gtk/ScrollViewGtk.cpp
===================================================================
--- WebCore/platform/gtk/ScrollViewGtk.cpp	(revisione 31125)
+++ WebCore/platform/gtk/ScrollViewGtk.cpp	(copia locale)
@@ -54,7 +54,7 @@
     ScrollViewScrollbar(ScrollbarClient*, ScrollbarOrientation, ScrollbarControlSize);
 
 protected:
-    void geometryChanged();
+    void geometryChanged() const;
 };
 
 class ScrollView::ScrollViewPrivate : public ScrollbarClient
@@ -119,7 +119,7 @@
 {
 }
 
-void ScrollViewScrollbar::geometryChanged()
+void ScrollViewScrollbar::geometryChanged() const
 {
     if (!parent())
         return;