Delete blink code for scroll-blocks-on

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 ff6c76b708c17b61e61ab40b9ce5fb4d8e070368..460563c08ac9ea35480462c6c48aa04ccb3a08e5 100644
--- a/Source/core/style/StyleRareNonInheritedData.cpp
+++ b/Source/core/style/StyleRareNonInheritedData.cpp
@@ -117,7 +117,6 @@ StyleRareNonInheritedData::StyleRareNonInheritedData()
     , m_objectFit(ComputedStyle::initialObjectFit())
     , m_isolation(ComputedStyle::initialIsolation())
     , m_scrollBehavior(ComputedStyle::initialScrollBehavior())
-    , m_scrollBlocksOn(ComputedStyle::initialScrollBlocksOn())
     , m_scrollSnapType(ComputedStyle::initialScrollSnapType())
     , m_requiresAcceleratedCompositingForExternalReasons(false)
     , m_hasInlineTransform(false)
@@ -194,7 +193,6 @@ StyleRareNonInheritedData::StyleRareNonInheritedData(const StyleRareNonInherited
     , m_objectFit(o.m_objectFit)
     , 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)
@@ -275,8 +273,7 @@ bool StyleRareNonInheritedData::operator==(const StyleRareNonInheritedData& o) c
         && m_objectFit == o.m_objectFit
         && m_isolation == o.m_isolation
         && m_scrollBehavior == o.m_scrollBehavior
-        && m_scrollBlocksOn == o.m_scrollBlocksOn
-        && m_scrollBlocksOn == o.m_scrollSnapType
+        && m_scrollSnapType == o.m_scrollSnapType
         && m_requiresAcceleratedCompositingForExternalReasons == o.m_requiresAcceleratedCompositingForExternalReasons
         && m_hasInlineTransform == o.m_hasInlineTransform
         && m_resize == o.m_resize