Support MessageEventInit.ports sequences.

Source/bindings/v8/V8Utilities.cpp

 /*
  * Copyright (C) 2008, 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 103 matching lines @@
     }
     return true;
 }
 
 bool getMessagePortArray(v8::Local<v8::Value> value, const String& propertyName, MessagePortArray& ports, v8::Isolate* isolate)
 {
     if (isUndefinedOrNull(value)) {
         ports.resize(0);
         return true;
     }
-    if (!value->IsArray()) {
-        throwTypeError(ExceptionMessages::notASequenceTypeProperty(propertyName), isolate);
-        return false;
-    }
     bool success = false;
     ports = toRefPtrNativeArray<MessagePort, V8MessagePort>(value, propertyName, isolate, &success);
     return success;
 }
 
 bool getMessagePortArray(v8::Local<v8::Value> value, int argumentIndex, MessagePortArray& ports, v8::Isolate* isolate)
 {
     if (isUndefinedOrNull(value)) {
         ports.resize(0);
         return true;
     }
-    if (!value->IsArray()) {
-        throwTypeError(ExceptionMessages::notAnArrayTypeArgumentOrValue(argumentIndex), isolate);
-        return false;
-    }
     bool success = false;
     ports = toRefPtrNativeArray<MessagePort, V8MessagePort>(value, argumentIndex, isolate, &success);
     return success;
 }
 
 void removeHiddenDependency(v8::Handle<v8::Object> object, v8::Local<v8::Value> value, int cacheIndex, v8::Isolate* isolate)
 {
     v8::Local<v8::Value> cache = object->GetInternalField(cacheIndex);
     if (!cache->IsArray())
         return;
@@ skipping 34 matching lines @@
 {
     v8::Handle<v8::Value> boundFunction = function->GetBoundFunction();
     if (boundFunction->IsFunction()) {
         return v8::Handle<v8::Function>::Cast(boundFunction);
     } else {
         return function;
     }
 }
 
 } // namespace WebCore