Take conditionals into account when writing AccessorConfiguration

Source/bindings/templates/interface_base.cpp

 {% include 'copyright_block.txt' %}
 #include "config.h"
 {% filter conditional(conditional_string) %}
 #include "{{v8_class_or_partial}}.h"
 
 {% for filename in cpp_includes if filename != '%s.h' % cpp_class_or_partial %}
 #include "{{filename}}"
 {% endfor %}
 
 namespace blink {
@@ skipping 215 matching lines @@
 {% from 'attributes.cpp' import attribute_configuration with context %}
 {% if has_accessor_configuration %}
 static const V8DOMConfiguration::AccessorConfiguration {{v8_class}}Accessors[] = {
     {% for attribute in attributes
        if (attribute.is_expose_js_accessors and
            not (attribute.is_static or
                 attribute.runtime_enabled_function or
                 attribute.per_context_enabled_function or
                 attribute.exposed_test) and
            attribute.should_be_exposed_to_script) %}
+    {% filter conditional(attribute.conditional_string) %}
     {{attribute_configuration(attribute)}},
+    {% endfilter %}
     {% endfor %}
 };
 
 {% endif %}
 {% endblock %}
 {##############################################################################}
 {% block install_methods %}
 {% from 'methods.cpp' import method_configuration with context %}
 {% if method_configuration_methods %}
 static const V8DOMConfiguration::MethodConfiguration {{v8_class}}Methods[] = {
@@ skipping 254 matching lines @@
 {% endfor %}
 {% for attribute in attributes if attribute.is_implemented_in_private_script %}
 {{attribute_getter_implemented_in_private_script(attribute)}}
 {% if attribute.has_setter %}
 {{attribute_setter_implemented_in_private_script(attribute)}}
 {% endif %}
 {% endfor %}
 {% block partial_interface %}{% endblock %}
 } // namespace blink
 {% endfilter %}