Make [OriginTrialEnabled] and [RuntimeEnabled] mutually exclusive

third_party/WebKit/Source/bindings/templates/utilities.cpp

 {% macro v8_value_to_local_cpp_value(thing) %}
 {# This indirection is just to avoid spurious white-space lines. #}
 {{generate_v8_value_to_local_cpp_value(thing) | trim}}
 {%- endmacro %}
 
 
 {% macro generate_v8_value_to_local_cpp_value(thing) %}
 {% set item = thing.v8_value_to_local_cpp_value or thing %}
 {% if item.error_message %}
 /* {{item.error_message}} */
@@ skipping 37 matching lines @@
 {% if member.on_prototype %}
 {% set property_location_list = property_location_list + ['V8DOMConfiguration::OnPrototype'] %}
 {% endif %}
 {% if member.on_interface %}
 {% set property_location_list = property_location_list + ['V8DOMConfiguration::OnInterface'] %}
 {% endif %}
 {{property_location_list | join(' | ')}}
 {%- endmacro %}
 
 
-{% macro check_origin_trial_internal(errorName, origin_trial_name) %}
-{% if origin_trial_name %}
-String {{errorName}};
-if (!{{origin_trial_name}}(executionContext, {{errorName}})) {
-    v8SetReturnValue(info, v8::Undefined(info.GetIsolate()));
-    if (!{{errorName}}.isEmpty()) {
-        toDocument(executionContext)->addConsoleMessage(ConsoleMessage::create(JSMessageSource, ErrorMessageLevel, {{errorName}}));
-    }
-    return;
-}
-{% endif %}
-{% endmacro %}
-
-
 {% macro check_origin_trial(member, isolate="info.GetIsolate()") -%}
 ExecutionContext* executionContext = currentExecutionContext({{isolate}});
-{{check_origin_trial_internal("errorMessage", member.origin_trial_enabled_per_interface) -}}
-{{check_origin_trial_internal("memberErrorMessage", member.origin_trial_enabled) -}}
+String errorMessage;
+if (!{{member.origin_trial_enabled_function}}(executionContext, errorMessage)) {
+    v8SetReturnValue(info, v8::Undefined(info.GetIsolate()));
+    if (!errorMessage.isEmpty()) {
+        toDocument(executionContext)->addConsoleMessage(ConsoleMessage::create(JSMessageSource, ErrorMessageLevel, errorMessage));
+    }
+    return;
+}
 {% endmacro %}