Update Window API for CSSOM smooth scrolling to match the spec

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 1b284b2686e18c5a0a3dd2224ef2df51f40d3a04..2180b01b599e8dba2253b3b2892d9ad65c9fc4ff 100644
--- a/Source/core/frame/LocalDOMWindow.h
+++ b/Source/core/frame/LocalDOMWindow.h
@@ -141,9 +141,9 @@ public:
     // FIXME: ScrollBehaviorSmooth is currently unsupported in PinchViewport.
     // crbug.com/434497
     void scrollBy(double x, double y, ScrollBehavior = ScrollBehaviorAuto) const override;
-    void scrollBy(double x, double y, const ScrollOptions&, ExceptionState&) const override;
-    void scrollTo(double x, double y, ScrollBehavior = ScrollBehaviorAuto) const override;
-    void scrollTo(double x, double y, const ScrollOptions&, ExceptionState&) const override;
+    void scrollBy(const ScrollToOptions&) const override;
+    void scrollTo(double x, double y) const override;
+    void scrollTo(const ScrollToOptions&) const override;
 
     void moveBy(float x, float y) const override;
     void moveTo(float x, float y) const override;