Revert of Compute snap offsets (both repeat and element based)

third_party/WebKit/Source/core/dom/Document.h

Index: third_party/WebKit/Source/core/dom/Document.h
diff --git a/third_party/WebKit/Source/core/dom/Document.h b/third_party/WebKit/Source/core/dom/Document.h
index 7d256143753ceb2479487a32e1df8216c677e00a..2ea78964b2ee982df1573061de54fb8237240430 100644
--- a/third_party/WebKit/Source/core/dom/Document.h
+++ b/third_party/WebKit/Source/core/dom/Document.h
@@ -160,7 +160,6 @@ class SegmentedString;
 class SelectorQueryCache;
 class SerializedScriptValue;
 class Settings;
-class SnapCoordinator;
 class StyleEngine;
 class StyleResolver;
 class StyleSheet;
@@ -1056,8 +1055,6 @@ public:
     }
     int nodeCount() const { return m_nodeCount; }
 
-    SnapCoordinator* snapCoordinator();
-
     using WeakDocumentSet = HeapHashSet<WeakMember<Document>>;
     static WeakDocumentSet& liveDocumentSet();
 
@@ -1397,8 +1394,6 @@ private:
     int m_nodeCount;
 
     bool m_mayContainV0Shadow = false;
-
-    Member<SnapCoordinator> m_snapCoordinator;
 };
 
 extern template class CORE_EXTERN_TEMPLATE_EXPORT Supplement<Document>;