IDL: Add more test cases to idl-dictionary-unittest.html

Source/bindings/core/v8/Dictionary.h

 /*
  * Copyright (C) 2010 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 116 matching lines @@
     bool getOwnPropertyNames(Vector<String>&) const;
 
     bool getWithUndefinedOrNullCheck(const String&, String&) const;
     bool getWithUndefinedOrNullCheck(const String&, RefPtrWillBeMember<Element>&) const;
     bool getWithUndefinedOrNullCheck(const String&, RefPtrWillBeMember<Path2D>&) const;
 
     bool hasProperty(const String&) const;
 
     v8::Isolate* isolate() const { return m_isolate; }
 
-private:
     bool getKey(const String& key, v8::Local<v8::Value>&) const;
 
+private:
     v8::Handle<v8::Value> m_options;
     v8::Isolate* m_isolate;
 };
 
 template<>
 struct NativeValueTraits<Dictionary> {
     static inline Dictionary nativeValue(const v8::Handle<v8::Value>& value, v8::Isolate* isolate)
     {
         return Dictionary(value, isolate);
     }
 };
 
 // DictionaryHelper is a collection of static methods for getting or
 // converting a value from Dictionary.
 struct DictionaryHelper {
     template <typename T>
     static bool get(const Dictionary&, const String& key, T& value);
     template <typename T>
     static bool get(const Dictionary&, const String& key, T& value, bool& hasValue);
+    template <typename T>
+    static bool getWithUndefinedOrNullCheck(const Dictionary& dictionary, const String& key, T& value)
+    {
+        v8::Local<v8::Value> v8Value;
+        if (!dictionary.getKey(key, v8Value) || isUndefinedOrNull(v8Value))
+            return false;
+        return DictionaryHelper::get(dictionary, key, value);
+    }
     template <template <typename> class PointerType, typename T>
     static bool get(const Dictionary&, const String& key, PointerType<T>& value);
     template <typename T>
     static bool convert(const Dictionary&, Dictionary::ConversionContext&, const String& key, T& value);
     template <typename T>
     static bool convert(const Dictionary&, Dictionary::ConversionContext&, const String& key, Nullable<T>& value);
     template <template <typename> class PointerType, typename T>
     static bool convert(const Dictionary&, Dictionary::ConversionContext&, const String& key, PointerType<T>& value);
 };
 
 }
 
 #endif // Dictionary_h