Revert of Implement script-side of callback reactions for Custom Elements V1

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

Index: third_party/WebKit/Source/core/dom/custom/CustomElementDefinition.h
diff --git a/third_party/WebKit/Source/core/dom/custom/CustomElementDefinition.h b/third_party/WebKit/Source/core/dom/custom/CustomElementDefinition.h
index a1db45a656006e5d441650bb343a64453220c122..e4557102cb35734aa827b46a5aa05a488ffe40ad 100644
--- a/third_party/WebKit/Source/core/dom/custom/CustomElementDefinition.h
+++ b/third_party/WebKit/Source/core/dom/custom/CustomElementDefinition.h
@@ -9,10 +9,7 @@
 #include "core/CoreExport.h"
 #include "core/dom/custom/CustomElementDescriptor.h"
 #include "platform/heap/Handle.h"
-#include "wtf/HashSet.h"
 #include "wtf/Noncopyable.h"
-#include "wtf/text/AtomicString.h"
-#include "wtf/text/AtomicStringHash.h"
 
 namespace blink {
 
@@ -26,8 +23,6 @@
     WTF_MAKE_NONCOPYABLE(CustomElementDefinition);
 public:
     CustomElementDefinition(const CustomElementDescriptor&);
-    CustomElementDefinition(const CustomElementDescriptor&,
-        const HashSet<AtomicString>&);
     virtual ~CustomElementDefinition();
 
     DECLARE_VIRTUAL_TRACE();
@@ -54,14 +49,15 @@
 
     void upgrade(Element*);
 
-    virtual bool hasConnectedCallback() const = 0;
-    virtual bool hasDisconnectedCallback() const = 0;
-    bool hasAttributeChangedCallback(const QualifiedName&);
+    // TODO(kojii): Change these methods to pure when script-side is implemented.
+    virtual bool hasConnectedCallback() const { return true; }
+    virtual bool hasDisconnectedCallback() const { return true; }
+    virtual bool hasAttributeChangedCallback(const QualifiedName&) const { return true; }
 
-    virtual void runConnectedCallback(Element*) = 0;
-    virtual void runDisconnectedCallback(Element*) = 0;
+    virtual void runConnectedCallback(Element*) {}
+    virtual void runDisconnectedCallback(Element*) {}
     virtual void runAttributeChangedCallback(Element*, const QualifiedName&,
-        const AtomicString& oldValue, const AtomicString& newValue) = 0;
+        const AtomicString& oldValue, const AtomicString& newValue) {}
 
     void enqueueUpgradeReaction(Element*);
     void enqueueConnectedCallback(Element*);
@@ -74,13 +70,9 @@
 
     static void checkConstructorResult(Element*, Document&, const QualifiedName&, ExceptionState&);
 
-    HashSet<AtomicString> m_observedAttributes;
-
 private:
     const CustomElementDescriptor m_descriptor;
     ConstructionStack m_constructionStack;
-
-    void enqueueAttributeChangedCallbackForAllAttributes(Element*);
 };
 
 } // namespace blink