Ship navigator.vibrate behind featurePolicyExperimentalFeatures flag

third_party/WebKit/Source/modules/vibration/NavigatorVibration.cpp

 /*
  *  Copyright (C) 2012 Samsung Electronics
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 63 matching lines @@
 
   DCHECK(frame->document());
   DCHECK(frame->page());
 
   if (!frame->page()->isPageVisible())
     return false;
 
   // TODO(lunalu): When FeaturePolicy is ready, take out the check for the
   // runtime flag. Please pay attention to the user gesture code below.
   if (RuntimeEnabledFeatures::featurePolicyEnabled() &&
+      RuntimeEnabledFeatures::featurePolicyExperimentalFeaturesEnabled() &&
       !frame->isFeatureEnabled(blink::WebFeaturePolicyFeature::Vibrate)) {
     frame->domWindow()->printErrorMessage(
         "Navigator.vibrate() is not enabled in feature policy for this "
         "frame.");
     return false;
   }
 
   if (!RuntimeEnabledFeatures::featurePolicyEnabled() &&
       frame->isCrossOriginSubframe() && !frame->hasReceivedUserGesture()) {
     frame->domWindow()->printErrorMessage(
@@ skipping 71 matching lines @@
   }
 }
 
 DEFINE_TRACE(NavigatorVibration) {
   visitor->trace(m_controller);
   Supplement<Navigator>::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
 }
 
 }  // namespace blink