bindings: Retires manual dispatching in createV8{HTML,SVG}Wrapper, etc.

Source/build/scripts/templates/ElementWrapperFactory.h.tmpl

 {% from "macros.tmpl" import license %}
 {{ license() }}
 
 #ifndef V8{{namespace}}ElementWrapperFactory_h
 #define V8{{namespace}}ElementWrapperFactory_h
 
 #include "bindings/core/v8/V8{{namespace}}Element.h"
 #include "bindings/core/v8/V8{{fallback_js_interface}}.h"
 #include <v8.h>
 
 namespace blink {
 
-class {{namespace}}Element;
-
 const WrapperTypeInfo* findWrapperTypeFor{{namespace}}TagName(const AtomicString& name);
 
-v8::Handle<v8::Object> createV8{{namespace}}Wrapper({{namespace}}Element*, v8::Handle<v8::Object> creationContext, v8::Isolate*);
-inline v8::Handle<v8::Object> createV8{{namespace}}DirectWrapper({{namespace}}Element* element, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
-{
-    return V8{{namespace}}Element::createWrapper(element, creationContext, isolate);
-}
-inline v8::Handle<v8::Object> createV8{{namespace}}FallbackWrapper({{fallback_js_interface}}* element, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
-{
-    return V8{{fallback_js_interface}}::createWrapper(element, creationContext, isolate);
-}
-
 }
 
-#endif
+#endif // V8{{namespace}}ElementWrapperFactory_h