Simplify scroll APIs in Element

Source/core/dom/Element.h

Index: Source/core/dom/Element.h
diff --git a/Source/core/dom/Element.h b/Source/core/dom/Element.h
index 9e8587a743eb4118d7fb8b2aacd978da09378a5a..1c2c93ad290f3b5dd3a49f42b1d7d95562541988 100644
--- a/Source/core/dom/Element.h
+++ b/Source/core/dom/Element.h
@@ -187,12 +187,10 @@ public:
     virtual int scrollWidth();
     virtual int scrollHeight();
 
-    virtual void scrollBy(double x, double y);
+    void scrollBy(double x, double y);
     virtual void scrollBy(const ScrollToOptions&);
-    virtual void scrollTo(double x, double y);
+    void scrollTo(double x, double y);
     virtual void scrollTo(const ScrollToOptions&);
-    void scroll(double x, double y) { scrollTo(x, y); }
-    void scroll(const ScrollToOptions& scrollToOptions) { scrollTo(scrollToOptions); }
 
     IntRect boundsInRootViewSpace();