Add support for Element#getAttributes

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 1308 matching lines @@
     size_t index = elementData()->attributes().findIndex(localName);
     if (index == kNotFound) {
         if (UNLIKELY(localName == HTMLNames::styleAttr) && elementData()->m_styleAttributeIsDirty && isStyledElement())
             removeAllInlineStyleProperties();
         return;
     }
 
     removeAttributeInternal(index, NotInSynchronizationOfLazyAttribute);
 }
 
+Vector<RefPtr<Attr>> Element::getAttributes()
+{
+    if (!elementData())
+        return Vector<RefPtr<Attr>>();
+    synchronizeAllAttributes();
+    Vector<RefPtr<Attr>> attributes;
+    for (const Attribute& attribute : elementData()->attributes())
+        attributes.append(ensureAttr(attribute.name()));
+    return attributes;
+}
+
 PassRefPtr<Attr> Element::getAttributeNode(const AtomicString& localName)
 {
     if (!elementData())
         return nullptr;
     synchronizeAttribute(localName);
     const Attribute* attribute = elementData()->attributes().find(localName);
     if (!attribute)
         return nullptr;
     return ensureAttr(attribute->name());
 }
@@ skipping 753 matching lines @@
 {
 #if ENABLE(OILPAN)
     if (hasRareData())
         visitor->trace(elementRareData());
     visitor->trace(m_elementData);
 #endif
     ContainerNode::trace(visitor);
 }
 
 } // namespace blink