Parsing CSS properties for scroll snap points

Source/core/style/StyleRareNonInheritedData.cpp

Index: Source/core/style/StyleRareNonInheritedData.cpp
diff --git a/Source/core/style/StyleRareNonInheritedData.cpp b/Source/core/style/StyleRareNonInheritedData.cpp
index bd64a7508e790319f33ec8b2a5ef499d67552f9c..384660f1d6743695586fbbf9fd5dfee5005e851e 100644
--- a/Source/core/style/StyleRareNonInheritedData.cpp
+++ b/Source/core/style/StyleRareNonInheritedData.cpp
@@ -41,7 +41,7 @@ public:
     LineClampValue lineClamps;
     DraggableRegionMode draggableRegions;
 
-    void* dataRefs[8];
+    void* dataRefs[9];
     void* ownPtrs[4];
     void* refPtrs[4];
 
@@ -114,6 +114,7 @@ StyleRareNonInheritedData::StyleRareNonInheritedData()
     , m_isolation(ComputedStyle::initialIsolation())
     , m_scrollBehavior(ComputedStyle::initialScrollBehavior())
     , m_scrollBlocksOn(ComputedStyle::initialScrollBlocksOn())
+    , m_scrollSnapType(ComputedStyle::initialScrollSnapType())
     , m_requiresAcceleratedCompositingForExternalReasons(false)
     , m_hasInlineTransform(false)
     , m_resize(ComputedStyle::initialResize())
@@ -140,6 +141,7 @@ StyleRareNonInheritedData::StyleRareNonInheritedData(const StyleRareNonInherited
     , m_filter(o.m_filter)
     , m_grid(o.m_grid)
     , m_gridItem(o.m_gridItem)
+    , m_scrollSnap(o.m_scrollSnap)
     , m_content(o.m_content ? o.m_content->clone() : nullptr)
     , m_counterDirectives(o.m_counterDirectives ? clone(*o.m_counterDirectives) : nullptr)
     , m_animations(o.m_animations ? CSSAnimationData::create(*o.m_animations) : nullptr)
@@ -190,6 +192,7 @@ StyleRareNonInheritedData::StyleRareNonInheritedData(const StyleRareNonInherited
     , m_isolation(o.m_isolation)
     , m_scrollBehavior(o.m_scrollBehavior)
     , m_scrollBlocksOn(o.m_scrollBlocksOn)
+    , m_scrollSnapType(o.m_scrollSnapType)
     , m_requiresAcceleratedCompositingForExternalReasons(o.m_requiresAcceleratedCompositingForExternalReasons)
     , m_hasInlineTransform(o.m_hasInlineTransform)
     , m_resize(o.m_resize)
@@ -222,6 +225,7 @@ bool StyleRareNonInheritedData::operator==(const StyleRareNonInheritedData& o) c
         && m_filter == o.m_filter
         && m_grid == o.m_grid
         && m_gridItem == o.m_gridItem
+        && m_scrollSnap == o.m_scrollSnap
         && contentDataEquivalent(o)
         && counterDataEquivalent(o)
         && shadowDataEquivalent(o)
@@ -270,6 +274,7 @@ bool StyleRareNonInheritedData::operator==(const StyleRareNonInheritedData& o) c
         && m_isolation == o.m_isolation
         && m_scrollBehavior == o.m_scrollBehavior
         && m_scrollBlocksOn == o.m_scrollBlocksOn
+        && m_scrollBlocksOn == o.m_scrollSnapType
         && m_requiresAcceleratedCompositingForExternalReasons == o.m_requiresAcceleratedCompositingForExternalReasons
         && m_hasInlineTransform == o.m_hasInlineTransform
         && m_resize == o.m_resize