Index: third_party/WebKit/Source/platform/scroll/ScrollbarThemeMacOverlayAPI.h |
diff --git a/third_party/WebKit/Source/platform/scroll/ScrollbarThemeMacOverlayAPI.h b/third_party/WebKit/Source/platform/scroll/ScrollbarThemeMacOverlayAPI.h |
index be28778cad121df70810a08cca18aa1e91e1bdc9..7957c6b527698e9e8f2c848ffcbbfe8bf5e7aa7a 100644 |
--- a/third_party/WebKit/Source/platform/scroll/ScrollbarThemeMacOverlayAPI.h |
+++ b/third_party/WebKit/Source/platform/scroll/ScrollbarThemeMacOverlayAPI.h |
@@ -40,6 +40,7 @@ namespace blink { |
class PLATFORM_EXPORT ScrollbarThemeMacOverlayAPI : public ScrollbarThemeMacCommon { |
public: |
bool shouldRepaintAllPartsOnInvalidation() const override { return false; } |
+ ScrollbarPart invalidateOnThumbPositionChange(const ScrollbarThemeClient&, float oldPosiiton, float newPosition) const override; |
void updateEnabledState(const ScrollbarThemeClient&) override; |
int scrollbarThickness(ScrollbarControlSize = RegularScrollbar) override; |
bool usesOverlayScrollbars() const override; |