Delete blink code for scroll-blocks-on

Source/core/style/ComputedStyle.h

Index: Source/core/style/ComputedStyle.h
diff --git a/Source/core/style/ComputedStyle.h b/Source/core/style/ComputedStyle.h
index 117fb60cf668787863416156eacd38432b71f153..e8f1dd447b7c3da63b8cea7aa1f136bd3b89779c 100644
--- a/Source/core/style/ComputedStyle.h
+++ b/Source/core/style/ComputedStyle.h
@@ -78,7 +78,6 @@
 #include "platform/text/TextRun.h"
 #include "platform/text/UnicodeBidi.h"
 #include "platform/transforms/TransformOperations.h"
-#include "public/platform/WebScrollBlocksOn.h"
 #include "wtf/Forward.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/RefCounted.h"
@@ -961,8 +960,6 @@ public:
     TouchAction touchAction() const { return static_cast<TouchAction>(rareNonInheritedData->m_touchAction); }
 
     ScrollBehavior scrollBehavior() const { return static_cast<ScrollBehavior>(rareNonInheritedData->m_scrollBehavior); }
-    WebScrollBlocksOn scrollBlocksOn() const { return static_cast<WebScrollBlocksOn>(rareNonInheritedData->m_scrollBlocksOn); }
-    bool hasScrollBlocksOn() const { return scrollBlocksOn() != WebScrollBlocksOnNone; }
 
     ScrollSnapType scrollSnapType() const { return static_cast<ScrollSnapType>(rareNonInheritedData->m_scrollSnapType); }
     ScrollSnapPoints scrollSnapPointsX() const { return rareNonInheritedData->m_scrollSnap->m_xPoints; }
@@ -1419,7 +1416,6 @@ public:
     void setTouchAction(TouchAction t) { SET_VAR(rareNonInheritedData, m_touchAction, t); }
 
     void setScrollBehavior(ScrollBehavior b) { SET_VAR(rareNonInheritedData, m_scrollBehavior, b); }
-    void setScrollBlocksOn(WebScrollBlocksOn b) { SET_VAR(rareNonInheritedData, m_scrollBlocksOn, b); }
 
     void setScrollSnapType(ScrollSnapType b) { SET_VAR(rareNonInheritedData, m_scrollSnapType, b); }
     void setScrollSnapPointsX(const ScrollSnapPoints& b) { SET_VAR(rareNonInheritedData.access()->m_scrollSnap, m_xPoints, b); }
@@ -1707,7 +1703,6 @@ public:
     static ShadowList* initialBoxShadow() { return 0; }
     static ShadowList* initialTextShadow() { return 0; }
     static ScrollBehavior initialScrollBehavior() { return ScrollBehaviorAuto; }
-    static WebScrollBlocksOn initialScrollBlocksOn() { return WebScrollBlocksOnNone; }
     static ScrollSnapType initialScrollSnapType() { return ScrollSnapTypeNone; }
     static ScrollSnapPoints initialScrollSnapPointsX() { return ScrollSnapPoints(); }
     static ScrollSnapPoints initialScrollSnapPointsY() { return ScrollSnapPoints(); }