Replicate feature policy headers to remote frames

third_party/WebKit/public/web/WebFrameClient.h

 /*
  * Copyright (C) 2011, 2012 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 211 matching lines @@
   // this method only exists to support dynamic sandboxing via a CSP
   // delivered in a <meta> tag. This is not supposed to be allowed per
   // the CSP spec and should be ripped out. https://crbug.com/594645
   virtual void didUpdateToUniqueOrigin(
       bool isPotentiallyTrustworthyUniqueOrigin) {}
 
   // The sandbox flags have changed for a child frame of this frame.
   virtual void didChangeSandboxFlags(WebFrame* childFrame,
                                      WebSandboxFlags flags) {}
 
+  // Called when a Feature-Policy HTTP header is encountered while loading the
+  // frame's document.
+  virtual void didSetFeaturePolicyHeader(const WebString& headerValue) {}
+
   // Called when a new Content Security Policy is added to the frame's
   // document.  This can be triggered by handling of HTTP headers, handling
   // of <meta> element, or by inheriting CSP from the parent (in case of
   // about:blank).
   virtual void didAddContentSecurityPolicy(const WebString& headerValue,
                                            WebContentSecurityPolicyType,
                                            WebContentSecurityPolicySource) {}
 
   // Some frame owner properties have changed for a child frame of this frame.
   // Frame owner properties currently include: scrolling, marginwidth and
@@ skipping 509 matching lines @@
   // Overwrites the given URL to use an HTML5 embed if possible.
   // An empty URL is returned if the URL is not overriden.
   virtual WebURL overrideFlashEmbedWithHTML(const WebURL& url) {
     return WebURL();
   }
 };
 
 }  // namespace blink
 
 #endif