Revert of Remove webkitConvertPointFromPageToNode() and webkitConvertPointFromNodeToPage()

Source/core/frame/LocalDOMWindow.h

Index: Source/core/frame/LocalDOMWindow.h
diff --git a/Source/core/frame/LocalDOMWindow.h b/Source/core/frame/LocalDOMWindow.h
index 75f8a0e8adc289d26941f857ae8ec0abaa7c1d80..ecd06959f00734f9d040cd95bc7d60ca5aaeeba1 100644
--- a/Source/core/frame/LocalDOMWindow.h
+++ b/Source/core/frame/LocalDOMWindow.h
@@ -44,6 +44,7 @@ namespace blink {
     class CSSRuleList;
     class CSSStyleDeclaration;
     class Console;
+    class WebKitPoint;
     class DOMSelection;
     class DOMURL;
     class DOMWindowProperty;
@@ -218,6 +219,9 @@ enum PageshowEventPersistence {
         PassRefPtrWillBeRawPtr<CSSRuleList> getMatchedCSSRules(Element*, const String& pseudoElt) const;
         double devicePixelRatio() const;
 
+        PassRefPtrWillBeRawPtr<WebKitPoint> webkitConvertPointFromPageToNode(Node*, const WebKitPoint*) const;
+        PassRefPtrWillBeRawPtr<WebKitPoint> webkitConvertPointFromNodeToPage(Node*, const WebKitPoint*) const;
+
         Console& console() const;
         FrameConsole* frameConsole() const;