Implement IDBVersionChangeEvent ctor w/ IDBVersionChangeEventInit dict

Source/bindings/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 10 matching lines @@
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef Dictionary_h
 #define Dictionary_h
 
 #include "bindings/v8/ExceptionMessages.h"
 #include "bindings/v8/ExceptionState.h"
+#include "bindings/v8/Nullable.h"
 #include "bindings/v8/ScriptValue.h"
 #include "bindings/v8/V8Binding.h"
 #include "bindings/v8/V8BindingMacros.h"
 #include "core/events/EventListener.h"
 #include "core/dom/MessagePort.h"
 #include <v8.h>
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
 #include "wtf/Vector.h"
 #include "wtf/text/AtomicString.h"
@@ skipping 106 matching lines @@
         ConversionContext& m_context;
     };
 
     bool convert(ConversionContext&, const String&, bool&) const;
     bool convert(ConversionContext&, const String&, double&) const;
     bool convert(ConversionContext&, const String&, String&) const;
     bool convert(ConversionContext&, const String&, ScriptValue&) const;
 
     template<typename IntegralType>
     bool convert(ConversionContext&, const String&, IntegralType&) const;
+    template<typename IntegralType>
+    bool convert(ConversionContext&, const String&, Nullable<IntegralType>&) const;
+
     bool convert(ConversionContext&, const String&, MessagePortArray&) const;
     bool convert(ConversionContext&, const String&, HashSet<AtomicString>&) const;
     bool convert(ConversionContext&, const String&, Dictionary&) const;
     bool convert(ConversionContext&, const String&, Vector<String>&) const;
     bool convert(ConversionContext&, const String&, ArrayValue&) const;
     template<template <typename> class PointerType, typename T>
     bool convert(ConversionContext&, const String&, PointerType<T>&) const;
 
     template<typename StringType>
     bool getStringType(const String&, StringType&) const;
@@ skipping 128 matching lines @@
     if (!getKey(key, v8Value))
         return true;
 
     value = IntegralTypeTraits<T>::toIntegral(v8Value, NormalConversion, context.exceptionState());
     if (context.exceptionState().throwIfNeeded())
         return false;
 
     return true;
 }
 
+template<typename T> bool Dictionary::convert(ConversionContext& context, const String& key, Nullable<T>& value) const
+{
+    ConversionContextScope scope(context);
+
+    v8::Local<v8::Value> v8Value;
+    if (!getKey(key, v8Value))
+        return true;
+
+    if (context.isNullable() && WebCore::isUndefinedOrNull(v8Value)) {
+        value = Nullable<T>();
+        return true;
+    }
+
+    T converted = IntegralTypeTraits<T>::toIntegral(v8Value, NormalConversion, context.exceptionState());
+
+    if (context.exceptionState().throwIfNeeded())
+        return false;
+
+    value = Nullable<T>(converted);
+    return true;
+}
+
 template<template <typename> class PointerType, typename T> bool Dictionary::convert(ConversionContext& context, const String& key, PointerType<T>& value) const
 {
     ConversionContextScope scope(context);
 
     if (!get(key, value))
         return true;
 
     if (value)
         return true;
 
     v8::Local<v8::Value> v8Value;
     getKey(key, v8Value);
     if (context.isNullable() && WebCore::isUndefinedOrNull(v8Value))
         return true;
 
     context.throwTypeError(ExceptionMessages::incorrectPropertyType(key, "does not have a " + context.typeName() + " type."));
     return false;
 }
 
 }
 
 #endif // Dictionary_h