initialize result variables in v8 bindings

Source/bindings/templates/methods.cpp

Index: Source/bindings/templates/methods.cpp
diff --git a/Source/bindings/templates/methods.cpp b/Source/bindings/templates/methods.cpp
index 0918767796fc51e16f7dd3a0045a19c6ccfea0c7..01d6d34d61b78071db018573cfcef93af9d5aafe 100644
--- a/Source/bindings/templates/methods.cpp
+++ b/Source/bindings/templates/methods.cpp
@@ -247,7 +247,7 @@ Document& document = *toDocument(currentExecutionContext(info.GetIsolate()));
 {% if method.idl_type == 'void' %}
 {{cpp_value}};
 {% elif method.is_implemented_in_private_script %}
-{{method.cpp_type}} result;
+{{method.cpp_type}} result{% if method.cpp_type == 'int' %} = 0{% endif %};

[haraken, 2014/07/15 15:13:25]

method.cpp_type == 'int' is a bit too hacky.

Can we add method.cpp_type_default_value and use it here? I think you can set
method.cpp_type_default_value to 0 if idl_type.is_numeric_type() is true.

 if (!{{method.cpp_value}})
     return;
 {% elif method.is_constructor %}