Remove lots of machinery related to inline event handlers.

sky/engine/core/events/EventListener.h

Index: sky/engine/core/events/EventListener.h
diff --git a/sky/engine/core/events/EventListener.h b/sky/engine/core/events/EventListener.h
index 8552c57c6f3bc480c5eb9b6744add0e0fd47f3b3..b62b2dbad9e384b38dab08b7d5b6d64c8ffcee1d 100644
--- a/sky/engine/core/events/EventListener.h
+++ b/sky/engine/core/events/EventListener.h
@@ -25,40 +25,20 @@
 
 namespace blink {
 
-    class DOMWrapperWorld;
-    class Event;
-    class ExecutionContext;
-
-    class EventListener : public RefCounted<EventListener> {
-    public:
-        enum Type {
-            JSEventListenerType,
-            ImageEventListenerType,
-            CPPEventListenerType,
-            ConditionEventListenerType,
-            NativeEventListenerType,
-        };
-
-        virtual ~EventListener() { }
-        virtual bool operator==(const EventListener&) = 0;
-        virtual void handleEvent(ExecutionContext*, Event*) = 0;
-        virtual bool wasCreatedFromMarkup() const { return false; }
-        virtual bool belongsToTheCurrentWorld() const { return false; }
-
-        bool isAttribute() const { return virtualisAttribute(); }
-        Type type() const { return m_type; }
-
-    protected:
-        explicit EventListener(Type type)
-            : m_type(type)
-        {
-        }
-
-    private:
-        virtual bool virtualisAttribute() const { return false; }
-
-        Type m_type;
-    };
+class Event;
+class ExecutionContext;
+
+class EventListener : public RefCounted<EventListener> {
+public:
+    virtual ~EventListener() { }
+    virtual bool operator==(const EventListener&) = 0;
+    virtual void handleEvent(ExecutionContext*, Event*) = 0;
+
+protected:
+    explicit EventListener()
+    {
+    }
+};
 
 }