IDL: Set dictionary default values in impl constructor

Source/bindings/templates/dictionary_v8.cpp

Index: Source/bindings/templates/dictionary_v8.cpp
diff --git a/Source/bindings/templates/dictionary_v8.cpp b/Source/bindings/templates/dictionary_v8.cpp
index 7a1bce9cf6916bd8afea9fe97ac5107117ec2d9b..76240ac35cc94f2477e15d0090d640b11683ce5b 100644
--- a/Source/bindings/templates/dictionary_v8.cpp
+++ b/Source/bindings/templates/dictionary_v8.cpp
@@ -23,10 +23,6 @@ namespace blink {
     {{member.cpp_type}} {{member.name}};
     if (DictionaryHelper::get(dictionary, "{{member.name}}", {{member.name}}))
         impl->{{member.setter_name}}({{member.name}});
-    {% if member.cpp_default_value %}
-    else
-        impl->{{member.setter_name}}({{member.cpp_default_value}});
-    {% endif %}
     {% endfor %}
     return impl;
 }