Index: third_party/WebKit/Source/platform/scroll/ScrollbarTheme.h |
diff --git a/third_party/WebKit/Source/platform/scroll/ScrollbarTheme.h b/third_party/WebKit/Source/platform/scroll/ScrollbarTheme.h |
index 8103c98e391c6a1e83002fc5743cfddfed8ce11d..5f616d9ab54eca47e20930303c4a17b6fcde4a35 100644 |
--- a/third_party/WebKit/Source/platform/scroll/ScrollbarTheme.h |
+++ b/third_party/WebKit/Source/platform/scroll/ScrollbarTheme.h |
@@ -70,6 +70,7 @@ public: |
virtual bool invalidateOnMouseEnterExit() { return false; } |
virtual bool invalidateOnWindowActiveChange() const { return false; } |
+ virtual ScrollbarPart invalidateOnThumbPositionChange(const ScrollbarThemeClient&, float oldPosition, float newPosition) const { return AllParts; } |
virtual void paintScrollCorner(GraphicsContext&, const DisplayItemClient&, const IntRect& cornerRect); |
virtual void paintTickmarks(GraphicsContext&, const ScrollbarThemeClient&, const IntRect&) { } |