bindings: Add validation for enum Sequence or Array

Source/bindings/core/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 901 matching lines @@
     int length = collection->length();
     v8::Handle<v8::Array> properties = v8::Array::New(info.GetIsolate(), length);
     for (int i = 0; i < length; ++i) {
         // FIXME: Do we need to check that the item function returns a non-null value for this index?
         v8::Handle<v8::Integer> integer = v8::Integer::New(info.GetIsolate(), i);
         properties->Set(integer, integer);
     }
     v8SetReturnValue(info, properties);
 }
 
+bool isValidEnum(const String value, const char** validValues, size_t length);
+bool isValidEnum(const Vector<String>& values, const char** validValues, size_t length);
+
 // These methods store hidden values into an array that is stored in the internal field of a DOM wrapper.
 void addHiddenValueToArray(v8::Isolate*, v8::Handle<v8::Object>, v8::Local<v8::Value>, int cacheIndex);
 void removeHiddenValueFromArray(v8::Isolate*, v8::Handle<v8::Object>, v8::Local<v8::Value>, int cacheIndex);
 CORE_EXPORT void moveEventListenerToNewWrapper(v8::Isolate*, v8::Handle<v8::Object>, EventListener* oldValue, v8::Local<v8::Value> newValue, int cacheIndex);
 
 // Result values for platform object 'deleter' methods,
 // http://www.w3.org/TR/WebIDL/#delete
 enum DeleteResult {
     DeleteSuccess,
     DeleteReject,
@@ skipping 55 matching lines @@
 PassRefPtr<TraceEvent::ConvertableToTraceFormat> devToolsTraceEventData(v8::Isolate*, ExecutionContext*, v8::Handle<v8::Function>);
 
 // Callback functions used by generated code.
 CORE_EXPORT void v8ConstructorAttributeGetter(v8::Local<v8::Name> propertyName, const v8::PropertyCallbackInfo<v8::Value>&);
 
 typedef void (*InstallTemplateFunction)(v8::Local<v8::FunctionTemplate>, v8::Isolate*);
 
 } // namespace blink
 
 #endif // V8Binding_h