[bindings] partial interfaces should not violate componentization

Source/bindings/templates/partial_interface.cpp

Index: Source/bindings/templates/partial_interface.cpp
diff --git a/Source/bindings/templates/partial_interface.cpp b/Source/bindings/templates/partial_interface.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..d77b5b807dbeb479324244a5d3edb764d9d635cc
--- /dev/null
+++ b/Source/bindings/templates/partial_interface.cpp
@@ -0,0 +1,53 @@
+{% extends 'interface_base.cpp' %}
+
+{% block indexed_property_getter %}{% endblock %}
+{% block indexed_property_getter_callback %}{% endblock %}
+{% block indexed_property_setter %}{% endblock %}
+{% block indexed_property_setter_callback %}{% endblock %}
+{% block indexed_property_deleter %}{% endblock %}
+{% block indexed_property_deleter_callback %}{% endblock %}
+{% block named_property_getter %}{% endblock %}
+{% block named_property_getter_callback %}{% endblock %}
+{% block named_property_setter %}{% endblock %}
+{% block named_property_setter_callback %}{% endblock %}
+{% block named_property_query %}{% endblock %}
+{% block named_property_query_callback %}{% endblock %}
+{% block named_property_deleter %}{% endblock %}
+{% block named_property_deleter_callback %}{% endblock %}
+{% block named_property_enumerator %}{% endblock %}
+{% block named_property_enumerator_callback %}{% endblock %}
+{% block origin_safe_method_setter %}{% endblock %}
+{% block named_constructor %}{% endblock %}
+{% block overloaded_constructor %}{% endblock %}
+{% block event_constructor %}{% endblock %}
+{% block visit_dom_wrapper %}{% endblock %}
+{% block shadow_attributes %}{% endblock %}
+{% block initialize_event %}{% endblock %}
+{% block constructor_callback %}{% endblock %}
+{% block configure_shadow_object_template %}{% endblock %}
+{% block get_dom_template %}{% endblock %}
+{% block has_instance %}{% endblock %}
+{% block to_native_with_type_check %}{% endblock %}
+{% block to_active_dom_object %}{% endblock %}
+{% block to_event_target %}{% endblock %}
+{% block get_shadow_object_template %}{% endblock %}
+{% block wrap %}{% endblock %}
+{% block create_wrapper %}{% endblock %}
+{% block deref_object_and_to_v8_no_inline %}{% endblock %}
+
+{##############################################################################}
+{% block partial_interface %}
+void {{actual_v8_class}}::initialize()
+{
+    // Should be invoked from initModules.
+    {{v8_class}}::updateWrapperTypeInfo(
+        &{{actual_v8_class}}::install{{v8_class}}Template,
+        &{{actual_v8_class}}::installConditionallyEnabledMethods);
+    {% for method in methods %}
+    {% if method.overloads and method.overloads.has_partial_overloads %}
+    {{v8_class}}::register{{method.name | blink_capitalize}}MethodForPartialInterface(&{{actual_cpp_class}}V8Internal::{{method.name}}Method);
+    {% endif %}
+    {% endfor %}
+}
+
+{% endblock %}