[WIP][NotForLand] IDL dictionary support

Source/bindings/core/v8/DictionaryHelperForCore.cpp

Index: Source/bindings/core/v8/DictionaryHelperForCore.cpp
diff --git a/Source/bindings/core/v8/DictionaryHelperForCore.cpp b/Source/bindings/core/v8/DictionaryHelperForCore.cpp
index 10053bcb5af55c8cd7a586daa543049fc0c65fa2..fd83042029d73fee3dd126848e93bc1a4c1999f2 100644
--- a/Source/bindings/core/v8/DictionaryHelperForCore.cpp
+++ b/Source/bindings/core/v8/DictionaryHelperForCore.cpp
@@ -390,6 +390,18 @@ bool DictionaryHelper::get(const Dictionary& dictionary, const String& key, Vect
     return true;
 }
 
+// FIXME: remove

[haraken, 2014/07/21 16:11:59]

Would you elaborate on this comment?

[bashi, 2014/07/22 02:33:56]

Done.

+template <>
+bool DictionaryHelper::get(const Dictionary& dictionary, const String& key, RefPtrWillBeMember<Element>& value)
+{
+    v8::Local<v8::Value> v8Value;
+    if (!dictionary.get(key, v8Value))
+        return false;
+
+    value = V8Element::toNativeWithTypeCheck(dictionary.isolate(), v8Value);
+    return true;
+}
+
 template <>
 bool DictionaryHelper::convert(const Dictionary& dictionary, Dictionary::ConversionContext& context, const String& key, Vector<String>& value)
 {