Enable Feature Policy without experimental features or fullscreen

third_party/WebKit/Source/platform/feature_policy/FeaturePolicy.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef FeaturePolicy_h
 #define FeaturePolicy_h
 
 #include "platform/PlatformExport.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "platform/wtf/HashMap.h"
@@ skipping 31 matching lines @@
                    const FeatureNameMap& feature_names);
 
 // Given a vector of WebFeaturePolicyFeatures and an origin, creates a vector of
 // whitelists, one for each feature specified.
 PLATFORM_EXPORT WebParsedFeaturePolicy GetContainerPolicyFromAllowedFeatures(
     const WebVector<WebFeaturePolicyFeature>& features,
     bool allowfullscreen,
     bool allowpayment,
     RefPtr<SecurityOrigin>);
 
+// Verifies whether feature policy is enabled and |feature| is supported in
+// feature policy.
+PLATFORM_EXPORT bool IsSupportedInFeaturePolicy(WebFeaturePolicyFeature);
+
 }  // namespace blink
 
 #endif  // FeaturePolicy_h