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

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 2268 matching lines @@
 
 private:
     AddOneFunction(v8::Isolate* isolate)
         : ScriptFunction(isolate)
     {
     }
 
     virtual ScriptValue call(ScriptValue value) OVERRIDE
     {
         v8::Local<v8::Value> v8Value = value.v8Value();
+        v8::Isolate* isolate = value.isolate();
         ASSERT(v8Value->IsNumber());
         int intValue = v8Value.As<v8::Integer>()->Value();
-        ScriptValue result  = ScriptValue(ScriptState::current(isolate()), v8::Integer::New(isolate(), intValue + 1));
+        ScriptValue result  = ScriptValue(value.scriptState(), v8::Integer::New(isolate, intValue + 1));
         return result;
     }
 };
 
 } // namespace
 
 ScriptPromise Internals::createPromise(ScriptState* scriptState)
 {
     return ScriptPromiseResolver::create(scriptState)->promise();
 }
@@ skipping 65 matching lines @@
     } else if (type == "none") {
         webtype = blink::ConnectionTypeNone;
     } else {
         exceptionState.throwDOMException(NotFoundError, ExceptionMessages::failedToEnumerate("connection type", type));
         return;
     }
     networkStateNotifier().setWebConnectionTypeForTest(webtype);
 }
 
 } // namespace WebCore