Remove Element.scrollByLines() and Element.scrollByPages()

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 f2c5a9d8f998a346a637c7ab6466954822286e3f..2b9cf7629f876a911cfbfaa882d299b595087341 100644
--- a/Source/core/dom/Element.h
+++ b/Source/core/dom/Element.h
@@ -35,7 +35,6 @@
 #include "core/html/CollectionType.h"
 #include "core/page/FocusType.h"
 #include "platform/heap/Handle.h"
-#include "platform/scroll/ScrollTypes.h"
 
 namespace blink {
 
@@ -176,9 +175,6 @@ public:
     void scrollIntoView(bool alignToTop = true);
     void scrollIntoViewIfNeeded(bool centerIfNeeded = true);
 
-    void scrollByLines(int lines);
-    void scrollByPages(int pages);
-
     int offsetLeft();
     int offsetTop();
     int offsetWidth();
@@ -603,8 +599,6 @@ private:
     void updateId(TreeScope&, const AtomicString& oldId, const AtomicString& newId);
     void updateName(const AtomicString& oldName, const AtomicString& newName);
 
-    void scrollByUnits(int units, ScrollGranularity);
-
     virtual NodeType nodeType() const OVERRIDE FINAL;
     virtual bool childTypeAllowed(NodeType) const OVERRIDE FINAL;