Update CSSOM SmoothScroll Web Platform Test

third_party/WebKit/Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc.
  * All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
@@ skipping 449 matching lines @@
       options.setBlock("start");
     else
       options.setBlock("end");
     options.setInlinePosition("nearest");
   } else if (arg.isScrollIntoViewOptions()) {
     options = arg.getAsScrollIntoViewOptions();
     if (!RuntimeEnabledFeatures::CSSOMSmoothScrollEnabled() &&
         options.behavior() == "smooth") {
       options.setBehavior("instant");
     }
+  } else if (arg.isNull()) {

[foolip, 2017/06/16 08:20:33]

This can be removed again because the argument can never be null.

+    options.setBlock("start");
+    options.setInlinePosition("nearest");
   }
   scrollIntoViewWithOptions(options);
 }
 
 void Element::scrollIntoView(bool align_to_top) {
   ScrollIntoViewOptionsOrBoolean arg;
   arg.setBoolean(align_to_top);
   scrollIntoView(arg);
 }
 
@@ skipping 3955 matching lines @@
 }
 
 DEFINE_TRACE_WRAPPERS(Element) {
   if (HasRareData()) {
     visitor->TraceWrappers(GetElementRareData());
   }
   ContainerNode::TraceWrappers(visitor);
 }
 
 }  // namespace blink