Fix fake mouse move event on scroll

Source/core/paint/DeprecatedPaintLayerScrollableArea.cpp

Index: Source/core/paint/DeprecatedPaintLayerScrollableArea.cpp
diff --git a/Source/core/paint/DeprecatedPaintLayerScrollableArea.cpp b/Source/core/paint/DeprecatedPaintLayerScrollableArea.cpp
index 75b2999646e092109c931114f7a27add34ba4c50..fc9acaceadefedea7be2f826b9ac8b4e6f1fd85b 100644
--- a/Source/core/paint/DeprecatedPaintLayerScrollableArea.cpp
+++ b/Source/core/paint/DeprecatedPaintLayerScrollableArea.cpp
@@ -413,7 +413,7 @@ void DeprecatedPaintLayerScrollableArea::setScrollOffset(const DoublePoint& newS
     // The caret rect needs to be invalidated after scrolling
     frame->selection().setCaretRectNeedsUpdate();
 
-    FloatQuad quadForFakeMouseMoveEvent = FloatQuad(layer()->layoutObject()->previousPaintInvalidationRect());
+    FloatQuad quadForFakeMouseMoveEvent = FloatQuad(layer()->layoutObject()->previousPaintInvalidationRectIncludingCompositedScrolling(*paintInvalidationContainer));
 
     quadForFakeMouseMoveEvent = paintInvalidationContainer->localToAbsoluteQuad(quadForFakeMouseMoveEvent);
     frame->eventHandler().dispatchFakeMouseMoveEventSoonInQuad(quadForFakeMouseMoveEvent);