Replicate feature policy headers to remote frames

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 "wtf/RefPtr.h"
@@ skipping 110 matching lines @@
     FeatureDefault defaultPolicy;
   };
 
   using FeatureList = const Vector<const FeaturePolicy::Feature*>;
 
   static std::unique_ptr<FeaturePolicy> createFromParentPolicy(
       const FeaturePolicy* parent,
       RefPtr<SecurityOrigin>);
 
   // Sets the declared policy from the Feature-Policy HTTP header. If the header
-  // cannot be parsed, errors will be appended to the |messages| vector.
-  void setHeaderPolicy(const String&, Vector<String>& messages);
+  // cannot be parsed, errors will be appended to the |messages| vector, if not
+  // null.
+  void setHeaderPolicy(const String&, Vector<String>* messages);
 
   // Returns whether or not the given feature is enabled by this policy.
   bool isFeatureEnabledForOrigin(const Feature&, const SecurityOrigin&) const;
 
   // Returns whether or not the given feature is enabled for the frame that owns
   // the policy.
   bool isFeatureEnabled(const Feature&) const;
 
   // Returns the list of features which can be controlled by Feature Policy.
   static FeatureList& getDefaultFeatureList();
@@ skipping 41 matching lines @@
 extern const PLATFORM_EXPORT FeaturePolicy::Feature kPushFeature;
 extern const PLATFORM_EXPORT FeaturePolicy::Feature kSyncScript;
 extern const PLATFORM_EXPORT FeaturePolicy::Feature kSyncXHR;
 extern const PLATFORM_EXPORT FeaturePolicy::Feature kUsermedia;
 extern const PLATFORM_EXPORT FeaturePolicy::Feature kVibrateFeature;
 extern const PLATFORM_EXPORT FeaturePolicy::Feature kWebRTC;
 
 }  // namespace blink
 
 #endif  // FeaturePolicy_h