Inherit EventTarget interface instead of duplicating its code

Source/bindings/v8/custom/V8ArrayBufferCustom.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
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 37 matching lines @@
 class V8ArrayBuffer {
 public:
     static bool HasInstance(v8::Handle<v8::Value>, v8::Isolate*, WrapperWorldType);
     static bool HasInstanceInAnyWorld(v8::Handle<v8::Value>, v8::Isolate*);
     static ArrayBuffer* toNative(v8::Handle<v8::Object>);
     static void derefObject(void*);
     static WrapperTypeInfo info;
     static const int internalFieldCount = v8DefaultWrapperInternalFieldCount;
     static void installPerContextProperties(v8::Handle<v8::Object>, ArrayBuffer*, v8::Isolate*) { }
     static void installPerContextPrototypeProperties(v8::Handle<v8::Object>, v8::Isolate*) { }
+
+    static inline void* toInternalPointer(ArrayBuffer* impl)
+    {
+        return impl;
+    }
+
+    static inline ArrayBuffer* fromInternalPointer(void* impl)
+    {
+        return static_cast<ArrayBuffer*>(impl);
+    }
+
 private:
     friend v8::Handle<v8::Object> wrap(ArrayBuffer*, v8::Handle<v8::Object> creationContext, v8::Isolate*);
     static v8::Handle<v8::Object> createWrapper(PassRefPtr<ArrayBuffer>, v8::Handle<v8::Object> creationContext, v8::Isolate*);
 };
 
 template<>
 class WrapperTypeTraits<ArrayBuffer > {
 public:
     static WrapperTypeInfo* info() { return &V8ArrayBuffer::info; }
 };
 
 
 inline v8::Handle<v8::Object> wrap(ArrayBuffer* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     ASSERT(impl);
-    ASSERT(DOMDataStore::getWrapper(impl, isolate).IsEmpty());
+    ASSERT(DOMDataStore::getWrapper<V8ArrayBuffer>(impl, isolate).IsEmpty());
     return V8ArrayBuffer::createWrapper(impl, creationContext, isolate);
 }
 
 inline v8::Handle<v8::Value> toV8(ArrayBuffer* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     if (UNLIKELY(!impl))
         return v8NullWithCheck(isolate);
-    v8::Handle<v8::Value> wrapper = DOMDataStore::getWrapper(impl, isolate);
+    v8::Handle<v8::Value> wrapper = DOMDataStore::getWrapper<V8ArrayBuffer>(impl, isolate);
     if (!wrapper.IsEmpty())
         return wrapper;
     return wrap(impl, creationContext, isolate);
 }
 
 inline v8::Handle<v8::Value> toV8ForMainWorld(ArrayBuffer* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     ASSERT(worldType(isolate) == MainWorld);
     if (UNLIKELY(!impl))
         return v8NullWithCheck(isolate);
-    v8::Handle<v8::Value> wrapper = DOMDataStore::getWrapperForMainWorld(impl);
+    v8::Handle<v8::Value> wrapper = DOMDataStore::getWrapperForMainWorld<V8ArrayBuffer>(impl);
     if (!wrapper.IsEmpty())
         return wrapper;
     return wrap(impl, creationContext, isolate);
 }
 
 template<class HolderContainer, class Wrappable>
 inline v8::Handle<v8::Value> toV8Fast(ArrayBuffer* impl, const HolderContainer& container, Wrappable* wrappable)
 {
     if (UNLIKELY(!impl))
         return v8::Null(container.GetIsolate());
-    v8::Handle<v8::Object> wrapper = DOMDataStore::getWrapperFast(impl, container, wrappable);
+    v8::Handle<v8::Object> wrapper = DOMDataStore::getWrapperFast<V8ArrayBuffer>(impl, container, wrappable);
     if (!wrapper.IsEmpty())
         return wrapper;
     return wrap(impl, container.Holder(), container.GetIsolate());
 }
 
 template<class HolderContainer, class Wrappable>
 inline v8::Handle<v8::Value> toV8FastForMainWorld(ArrayBuffer* impl, const HolderContainer& container, Wrappable* wrappable)
 {
     ASSERT(worldType(container.GetIsolate()) == MainWorld);
     if (UNLIKELY(!impl))
         return v8Null(container.GetIsolate());
-    v8::Handle<v8::Object> wrapper = DOMDataStore::getWrapperForMainWorld(impl);
+    v8::Handle<v8::Object> wrapper = DOMDataStore::getWrapperForMainWorld<V8ArrayBuffer>(impl);
     if (!wrapper.IsEmpty())
         return wrapper;
     return wrap(impl, container.Holder(), container.GetIsolate());
 }
 
 template<class HolderContainer, class Wrappable>
 inline v8::Handle<v8::Value> toV8FastForMainWorld(PassRefPtr< ArrayBuffer > impl, const HolderContainer& container, Wrappable* wrappable)
 {
     return toV8FastForMainWorld(impl.get(), container, wrappable);
 }
 
 
 template<class HolderContainer, class Wrappable>
 inline v8::Handle<v8::Value> toV8Fast(PassRefPtr< ArrayBuffer > impl, const HolderContainer& container, Wrappable* wrappable)
 {
     return toV8Fast(impl.get(), container, wrappable);
 }
 
 inline v8::Handle<v8::Value> toV8(PassRefPtr< ArrayBuffer > impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl.get(), creationContext, isolate);
 }
 
 } // namespace WebCore
 
 #endif // V8ArrayBufferCustom_h