Index: third_party/WebKit/Source/platform/scroll/Scrollbar.h |
diff --git a/third_party/WebKit/Source/platform/scroll/Scrollbar.h b/third_party/WebKit/Source/platform/scroll/Scrollbar.h |
index 43d20a67840a4c453c3a7fecb7a1d558eeaaa754..6d712ee8c9a06c3b2895e65e54e12e20004e94c6 100644 |
--- a/third_party/WebKit/Source/platform/scroll/Scrollbar.h |
+++ b/third_party/WebKit/Source/platform/scroll/Scrollbar.h |
@@ -45,7 +45,7 @@ class ScrollAnimatorBase; |
class ScrollableArea; |
class ScrollbarTheme; |
-class PLATFORM_EXPORT Scrollbar : public Widget, public ScrollbarThemeClient { |
+class PLATFORM_EXPORT Scrollbar : public Widget, public ScrollbarThemeClient, public DisplayItemClient { |
public: |
static Scrollbar* create(ScrollableArea* scrollableArea, ScrollbarOrientation orientation, ScrollbarControlSize size, HostWindow* hostWindow) |
{ |