Add FeatureList plumbing for the LazyParseCSS experiment

third_party/WebKit/Source/web/WebRuntimeFeatures.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 124 matching lines @@
 }
 
 void WebRuntimeFeatures::enableGenericSensor(bool enable) {
   RuntimeEnabledFeatures::setSensorEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableInputMultipleFieldsUI(bool enable) {
   RuntimeEnabledFeatures::setInputMultipleFieldsUIEnabled(enable);
 }
 
+void WebRuntimeFeatures::enableLazyParseCSS(bool enable) {
+  RuntimeEnabledFeatures::setLazyParseCSSEnabled(enable);
+}
+
 void WebRuntimeFeatures::enableMediaCapture(bool enable) {
   RuntimeEnabledFeatures::setMediaCaptureEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableMediaDocumentDownloadButton(bool enable) {
   RuntimeEnabledFeatures::setMediaDocumentDownloadButtonEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableNotificationConstructor(bool enable) {
   RuntimeEnabledFeatures::setNotificationConstructorEnabled(enable);
@@ skipping 185 matching lines @@
   RuntimeEnabledFeatures::setTimerThrottlingForHiddenFramesEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableSendBeaconThrowForBlobWithNonSimpleType(
     bool enable) {
   RuntimeEnabledFeatures::setSendBeaconThrowForBlobWithNonSimpleTypeEnabled(
       enable);
 }
 
 }  // namespace blink