postMessage() should throw a DataCloneError on invalid transferables

Source/bindings/v8/V8Binding.h

 /*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 * Copyright (C) 2012 Ericsson AB. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
@@ skipping 381 matching lines @@
 
     template<>
     struct NativeValueTraits<double> {
         static inline double nativeValue(const v8::Handle<v8::Value>& value)
         {
             return static_cast<double>(value->NumberValue());
         }
     };
 
     template <class T, class V8T>
-    Vector<RefPtr<T> > toRefPtrNativeArray(v8::Handle<v8::Value> value, v8::Isolate* isolate)
+    Vector<RefPtr<T> > toRefPtrNativeArray(v8::Handle<v8::Value> value, v8::Isolate* isolate, bool* success = 0)
     {
+        if (success)
+            *success = true;
+
         if (!value->IsArray())
             return Vector<RefPtr<T> >();
 
         Vector<RefPtr<T> > result;
         v8::Local<v8::Value> v8Value(v8::Local<v8::Value>::New(value));
         v8::Local<v8::Array> array = v8::Local<v8::Array>::Cast(v8Value);
         size_t length = array->Length();
         for (size_t i = 0; i < length; ++i) {
             v8::Handle<v8::Value> element = array->Get(i);
 
             if (V8T::HasInstance(element, isolate, worldType(isolate))) {
                 v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(element);
                 result.append(V8T::toNative(object));
             } else {
+                if (success)
+                    *success = false;
                 throwTypeError("Invalid Array element type", isolate);
                 return Vector<RefPtr<T> >();
             }
         }
         return result;
     }
 
     template <class T>
     Vector<T> toNativeArray(v8::Handle<v8::Value> value)
     {
@@ skipping 158 matching lines @@
     inline v8::Local<v8::Function> createClosure(v8::FunctionCallback function, v8::Handle<v8::Value> environment)
     {
         return v8::FunctionTemplate::New(function, environment)->GetFunction();
     }
 
     v8::Local<v8::Value> getHiddenValueFromMainWorldWrapper(v8::Isolate*, ScriptWrappable*, v8::Handle<v8::String> key);
 
 } // namespace WebCore
 
 #endif // V8Binding_h