Use NewScriptState in MIDIAccessResolver, CustomElementLifecycleCallbacks and V8MutationCallbacks

Source/bindings/v8/V8MutationCallback.h

Index: Source/bindings/v8/V8MutationCallback.h
diff --git a/Source/bindings/v8/V8MutationCallback.h b/Source/bindings/v8/V8MutationCallback.h
index 0334b8b225f7f050f5a766444d3fac6b61132a7c..8cc559001570d53ebc2c6bf476587077e0506b72 100644
--- a/Source/bindings/v8/V8MutationCallback.h
+++ b/Source/bindings/v8/V8MutationCallback.h
@@ -27,7 +27,7 @@
 #define V8MutationCallback_h
 
 #include "bindings/v8/ActiveDOMCallback.h"
-#include "bindings/v8/DOMWrapperWorld.h"
+#include "bindings/v8/NewScriptState.h"
 #include "bindings/v8/ScopedPersistent.h"
 #include "core/dom/MutationCallback.h"
 #include "wtf/OwnPtr.h"
@@ -55,8 +55,7 @@ private:
     static void setWeakCallback(const v8::WeakCallbackData<v8::Function, V8MutationCallback>&);
 
     ScopedPersistent<v8::Function> m_callback;
-    RefPtr<DOMWrapperWorld> m_world;
-    v8::Isolate* m_isolate;
+    RefPtr<NewScriptState> m_scriptState;
 };
 
 }