Revert of Add an ASSERT about cross-world wrapper leakage into ScriptValue

Source/bindings/v8/ScriptPromise.h

Index: Source/bindings/v8/ScriptPromise.h
diff --git a/Source/bindings/v8/ScriptPromise.h b/Source/bindings/v8/ScriptPromise.h
index eb79e4e3b179192b052ccb3d101c3fdde54de908..23bfa9ba2e3eb3beb72e6329987a5fb651a2fcd3 100644
--- a/Source/bindings/v8/ScriptPromise.h
+++ b/Source/bindings/v8/ScriptPromise.h
@@ -97,10 +97,10 @@
     // if |value| is not a Promise object, returns a Promise object
     // resolved with |value|.
     // Returns |value| itself if it is a Promise.
-    static ScriptPromise cast(ScriptState*, const ScriptValue& /*value*/);
+    static ScriptPromise cast(const ScriptValue& /*value*/);
     static ScriptPromise cast(ScriptState*, v8::Handle<v8::Value> /*value*/);
 
-    static ScriptPromise reject(ScriptState*, const ScriptValue&);
+    static ScriptPromise reject(const ScriptValue&);
     static ScriptPromise reject(ScriptState*, v8::Handle<v8::Value>);
 
     static ScriptPromise rejectWithDOMException(ScriptState*, PassRefPtrWillBeRawPtr<DOMException>);