bindings: Retires ScriptWrappable::init, etc.

Source/modules/mediastream/MediaStreamEvent.cpp

Index: Source/modules/mediastream/MediaStreamEvent.cpp
diff --git a/Source/modules/mediastream/MediaStreamEvent.cpp b/Source/modules/mediastream/MediaStreamEvent.cpp
index ffe934fc5e8e3bd51d5ffb665355e3f33f558605..bb4436cdcbfc32d13f3cd1cbcb604a68b701c627 100644
--- a/Source/modules/mediastream/MediaStreamEvent.cpp
+++ b/Source/modules/mediastream/MediaStreamEvent.cpp
@@ -49,21 +49,18 @@ PassRefPtrWillBeRawPtr<MediaStreamEvent> MediaStreamEvent::create(const AtomicSt
 
 MediaStreamEvent::MediaStreamEvent()
 {
-    ScriptWrappable::init(this);
 }
 
 MediaStreamEvent::MediaStreamEvent(const AtomicString& type, bool canBubble, bool cancelable, MediaStream* stream)
     : Event(type, canBubble, cancelable)
     , m_stream(stream)
 {
-    ScriptWrappable::init(this);
 }
 
 MediaStreamEvent::MediaStreamEvent(const AtomicString& type, const MediaStreamEventInit& initializer)
     : Event(type, initializer)
     , m_stream(initializer.stream)
 {
-    ScriptWrappable::init(this);
 }
 
 MediaStreamEvent::~MediaStreamEvent()