[CSS Shapes] First line gets incorrectly adjusted in shape-inside due to rounding

Source/core/rendering/shapes/PolygonShape.cpp

Index: Source/core/rendering/shapes/PolygonShape.cpp
diff --git a/Source/core/rendering/shapes/PolygonShape.cpp b/Source/core/rendering/shapes/PolygonShape.cpp
index 26ddcf3606b2b0883d16fa9f3ec74045ca41248b..041440b40e23f3b475e3e5e7755ad18e1501fe0e 100644
--- a/Source/core/rendering/shapes/PolygonShape.cpp
+++ b/Source/core/rendering/shapes/PolygonShape.cpp
@@ -443,7 +443,7 @@ static inline bool aboveOrToTheLeft(const FloatRect& r1, const FloatRect& r2)
     return false;
 }
 
-bool PolygonShape::firstIncludedIntervalLogicalTop(LayoutUnit minLogicalIntervalTop, const LayoutSize& minLogicalIntervalSize, LayoutUnit& result) const
+bool PolygonShape::firstIncludedIntervalLogicalTop(LayoutUnit minLogicalIntervalTop, const FloatSize& minLogicalIntervalSize, LayoutUnit& result) const
 {
     float minIntervalTop = minLogicalIntervalTop;
     float minIntervalHeight = minLogicalIntervalSize.height();