Port sky-scrollable to Dart

sky/engine/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)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 974 matching lines @@
 {
     if (!elementData())
         return Vector<RefPtr<Attr>>();
     synchronizeAllAttributes();
     Vector<RefPtr<Attr>> attributes;
     for (const Attribute& attribute : elementData()->attributes())
         attributes.append(Attr::create(attribute.name(), attribute.value()));
     return attributes;
 }
 
+void Element::setAttributes(const Vector<RefPtr<Attr>>& attrs, ExceptionState& es)
+{
+    for (const auto& attr : attrs) {
+        setAttribute(attr->name(), attr->value(), es);
+        if (es.had_exception())
+            return;
+    }
+}
+
 void Element::focus(bool restorePreviousSelection, FocusType type)
 {
     if (!inDocument())
         return;
 
     if (document().focusedElement() == this)
         return;
 
     if (!document().isActive())
         return;
@@ skipping 551 matching lines @@
         return false;
     if (treeScope().scopedStyleResolver().hasSelectorForId(idValue))
         return true;
     // Host rules could also have effects.
     if (ShadowRoot* shadowRoot = this->shadowRoot())
         return shadowRoot->scopedStyleResolver().hasSelectorForId(idValue);
     return false;
 }
 
 } // namespace blink