Bindings for CSSOM View smooth scroll API

Source/core/frame/Window.idl

Index: Source/core/frame/Window.idl
diff --git a/Source/core/frame/Window.idl b/Source/core/frame/Window.idl
index 894ccf6ecea6a2e712612b35bc157d66d642ba0d..5fcf0f0827c02ee05ddc1a613d43c42b5fb4589c 100644
--- a/Source/core/frame/Window.idl
+++ b/Source/core/frame/Window.idl
@@ -93,9 +93,17 @@
     readonly attribute long pageXOffset;
     readonly attribute long pageYOffset;
 
-    void scrollBy(long x, long y);
-    void scrollTo(long x, long y);
-    void scroll(long x, long y);
+    // FIXME: should be:
+    // void scrollBy(long x, long y);
+    // [RuntimeEnabled=CSSOMSmoothScroll, RaisesException] void scrollBy(long x, long y, optional Dictionary scrollOptions);
+    // void scrollTo(long x, long y);
+    // [RuntimeEnabled=CSSOMSmoothScroll, RaisesException] void scrollTo(long x, long y, optional Dictionary scrollOptions);
+    // void scroll(long x, long y);
+    // [RuntimeEnabled=CSSOMSmoothScroll, RaisesException] void scroll(long x, long y, optional Dictionary scrollOptions);
+    // http://crbug.com/339000
+    [RaisesException] void scrollBy(long x, long y, optional Dictionary scrollOptions);
+    [RaisesException] void scrollTo(long x, long y, optional Dictionary scrollOptions);
+    [RaisesException] void scroll(long x, long y, optional Dictionary scrollOptions);
     void moveBy([Default=Undefined] optional float x, [Default=Undefined] optional float y); // FIXME: this should take longs not floats.
     void moveTo([Default=Undefined] optional float x, [Default=Undefined] optional float y); // FIXME: this should take longs not floats.
     void resizeBy([Default=Undefined] optional float x, [Default=Undefined] optional float y); // FIXME: this should take longs not floats.