bindings: Retires ScriptWrappable::init, etc.

Source/core/events/ResourceProgressEvent.cpp

Index: Source/core/events/ResourceProgressEvent.cpp
diff --git a/Source/core/events/ResourceProgressEvent.cpp b/Source/core/events/ResourceProgressEvent.cpp
index dec3fd3de88c1507742e0978e6b5aca1b1e92a76..49291c5b6a3af44f50b7b4215a2e460842b2f29c 100644
--- a/Source/core/events/ResourceProgressEvent.cpp
+++ b/Source/core/events/ResourceProgressEvent.cpp
@@ -31,14 +31,12 @@ namespace blink {
 
 ResourceProgressEvent::ResourceProgressEvent()
 {
-    ScriptWrappable::init(this);
 }
 
 ResourceProgressEvent::ResourceProgressEvent(const AtomicString& type, bool lengthComputable, unsigned long long loaded, unsigned long long total, const String& url)
     : ProgressEvent(type, lengthComputable, loaded, total)
     , m_url(url)
 {
-    ScriptWrappable::init(this);
 }
 
 const String& ResourceProgressEvent::url() const