Remove custom element type extensions.

sky/engine/core/dom/custom/CustomElementRegistrationContext.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 53 matching lines @@
     for (CustomElementUpgradeCandidateMap::ElementSet::const_iterator it = upgradeCandidates->begin(); it != upgradeCandidates->end(); ++it)
         CustomElement::define(*it, definition);
 }
 
 PassRefPtr<Element> CustomElementRegistrationContext::createCustomTagElement(Document& document, const QualifiedName& tagName)
 {
     ASSERT(CustomElement::isValidName(tagName.localName()));
 
     RefPtr<Element> element = HTMLElement::create(tagName, document);
     element->setCustomElementState(Element::WaitingForUpgrade);
-    resolveOrScheduleResolution(element.get(), nullAtom);
+    resolveOrScheduleResolution(element.get());
     return element.release();
 }
 
-void CustomElementRegistrationContext::didGiveTypeExtension(Element* element, const AtomicString& type)
+void CustomElementRegistrationContext::resolveOrScheduleResolution(Element* element)
 {
-    resolveOrScheduleResolution(element, type);
-}
-
-void CustomElementRegistrationContext::resolveOrScheduleResolution(Element* element, const AtomicString& typeExtension)
-{
-    // If an element has a custom tag name it takes precedence over
-    // the "is" attribute (if any).
-    const AtomicString& type = CustomElement::isValidName(element->localName())
-        ? element->localName()
-        : typeExtension;
-    ASSERT(!type.isNull());
-
-    CustomElementDescriptor descriptor(type, element->localName());
+    CustomElementDescriptor descriptor(element->localName());
     ASSERT(element->customElementState() == Element::WaitingForUpgrade);
 
     CustomElementScheduler::resolveOrScheduleResolution(this, element, descriptor);
 }
 
 void CustomElementRegistrationContext::resolve(Element* element, const CustomElementDescriptor& descriptor)
 {
     CustomElementDefinition* definition = m_registry.find(descriptor);
     if (definition) {
         CustomElement::define(element, definition);
     } else {
         ASSERT(element->customElementState() == Element::WaitingForUpgrade);
         m_candidates->add(descriptor, element);
     }
 }
 
-void CustomElementRegistrationContext::setIsAttributeAndTypeExtension(Element* element, const AtomicString& type)
-{
-    ASSERT(element);
-    ASSERT(!type.isEmpty());
-    element->setAttribute(HTMLNames::isAttr, type);
-    setTypeExtension(element, type);
-}
-
-void CustomElementRegistrationContext::setTypeExtension(Element* element, const AtomicString& type)
-{
-    if (!element->isHTMLElement())
-        return;
-
-    CustomElementRegistrationContext* context = element->document().registrationContext();
-    if (!context)
-        return;
-
-    if (element->isCustomElement()) {
-        // This can happen if:
-        // 1. The element has a custom tag, which takes precedence over
-        //    type extensions.
-        // 2. Undoing a command (eg ReplaceNodeWithSpan) recycles an
-        //    element but tries to overwrite its attribute list.
-        return;
-    }
-
-    // Custom tags take precedence over type extensions
-    ASSERT(!CustomElement::isValidName(element->localName()));
-
-    if (!CustomElement::isValidName(type))
-        return;
-
-    element->setCustomElementState(Element::WaitingForUpgrade);
-    // FIXME(sky) this used to call Document::convertLocalName(type) which
-    // would lowercase if Document was HTML, that made no sense.
-    context->didGiveTypeExtension(element, type);
-}
-
 } // namespace blink