Add callbacks to ScriptCustomElementDefinition

third_party/WebKit/Source/bindings/core/v8/ScriptCustomElementDefinitionBuilder.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ScriptCustomElementDefinitionBuilder_h
 #define ScriptCustomElementDefinitionBuilder_h
 
 #include "core/CoreExport.h"
 #include "core/dom/custom/CustomElementDefinitionBuilder.h"
 #include "platform/heap/Handle.h"
 #include "v8.h"
 #include "wtf/Allocator.h"
+#include "wtf/HashSet.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/RefPtr.h"
+#include "wtf/text/AtomicString.h"
+#include "wtf/text/AtomicStringHash.h"
 
 namespace blink {
 
 class CustomElementsRegistry;
 class ExceptionState;
 class ScriptState;
 class ScriptValue;
 
 class CORE_EXPORT ScriptCustomElementDefinitionBuilder
     : public CustomElementDefinitionBuilder {
     STACK_ALLOCATED();
     WTF_MAKE_NONCOPYABLE(ScriptCustomElementDefinitionBuilder);
 public:
     ScriptCustomElementDefinitionBuilder(
         ScriptState*,
         CustomElementsRegistry*,
         const ScriptValue& constructorScriptValue,
         ExceptionState&);
 
     bool checkConstructorIntrinsics() override;
     bool checkConstructorNotRegistered() override;
     bool checkPrototype() override;
+    bool cacheProperties() override;
     CustomElementDefinition* build(const CustomElementDescriptor&) override;
 
 private:
     RefPtr<ScriptState> m_scriptState;
     Member<CustomElementsRegistry> m_registry;
     v8::Local<v8::Value> m_constructorValue;
     v8::Local<v8::Object> m_constructor;
     v8::Local<v8::Object> m_prototype;
+    v8::Local<v8::Object> m_connectedCallback;
+    v8::Local<v8::Object> m_disconnectedCallback;
+    v8::Local<v8::Object> m_attributeChangedCallback;
+    HashSet<AtomicString> m_observedAttributes;
     ExceptionState& m_exceptionState;
+
+    bool valueForName(const v8::Local<v8::Object>&, const char*,
+        v8::Local<v8::Value>&) const;
+    bool callableForName(const char*, v8::Local<v8::Object>&) const;
+    bool cacheObservedAttributes();
 };
 
 } // namespace blink
 
 #endif // ScriptCustomElementDefinitionBuilder_h