Add [DoNotGenerateClassBindings] extended attribute

Source/bindings/templates/interface.cpp

Index: Source/bindings/templates/interface.cpp
diff --git a/Source/bindings/templates/interface.cpp b/Source/bindings/templates/interface.cpp
index 5f7a781f2315cd2e2cc060284316aa0a6c85cb7b..e6f1422d424731d452c99e7d2a9472d798338b08 100644
--- a/Source/bindings/templates/interface.cpp
+++ b/Source/bindings/templates/interface.cpp
@@ -1310,7 +1310,7 @@ v8::Handle<v8::Object> {{v8_class}}::createWrapper({{pass_ref_ptr}}<{{cpp_class}
 
 
 {##############################################################################}
-{% block deref_object_and_to_v8_no_inline %}
+{% block deref_object %}
 void {{v8_class}}::derefObject(void* object)
 {
 {% set oilpan_conditional = '!ENABLE(OILPAN)' if is_will_be_garbage_collected
@@ -1320,10 +1320,17 @@ void {{v8_class}}::derefObject(void* object)
 {% endfilter %}
 }
 
+{% endblock %}
+
+
+{##############################################################################}
+{% block to_v8_no_inline %}
+{% if has_class_bindings %}
 template<>
 v8::Handle<v8::Value> toV8NoInline({{cpp_class}}* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
+{% endif %}
 {% endblock %}