Implement custom element construction and some 'define' checks

third_party/WebKit/Source/core/dom/custom/V0CustomElementRegistry.h

 /*
  * Copyright (C) 2012 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 24 matching lines @@
 #include "core/dom/custom/V0CustomElementDefinition.h"
 #include "core/dom/custom/V0CustomElementDescriptor.h"
 #include "core/dom/custom/V0CustomElementDescriptorHash.h"
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
 #include "wtf/text/AtomicString.h"
 #include "wtf/text/AtomicStringHash.h"
 
 namespace blink {
 
+class CustomElementsRegistry;
+class ExceptionState;
 class V0CustomElementConstructorBuilder;
-class ExceptionState;
 
 class V0CustomElementRegistry final {
     WTF_MAKE_NONCOPYABLE(V0CustomElementRegistry);
     DISALLOW_NEW();
 public:
     DECLARE_TRACE();
     void documentWasDetached() { m_documentWasDetached = true; }
 
 protected:
     friend class V0CustomElementRegistrationContext;
 
     V0CustomElementRegistry() : m_documentWasDetached(false) { }
 
     V0CustomElementDefinition* registerElement(Document*, V0CustomElementConstructorBuilder*, const AtomicString& name, V0CustomElement::NameSet validNames, ExceptionState&);
     V0CustomElementDefinition* find(const V0CustomElementDescriptor&) const;
 
+    bool nameIsDefined(const AtomicString& name) const;
+    void setV1(const CustomElementsRegistry*);
+
 private:
+    bool v1NameIsDefined(const AtomicString& name) const;
+
     typedef HeapHashMap<V0CustomElementDescriptor, Member<V0CustomElementDefinition>> DefinitionMap;
     DefinitionMap m_definitions;
     HashSet<AtomicString> m_registeredTypeNames;
+    Member<const CustomElementsRegistry> m_v1;
     bool m_documentWasDetached;
 };
 
 } // namespace blink
 
 #endif // V0CustomElementRegistry_h