Replicate feature policy container policies.

third_party/WebKit/Source/core/loader/DocumentLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 995 matching lines @@
   LocalFrame* frame = document->frame();
   WebFeaturePolicy* parentFeaturePolicy =
       frame->isMainFrame()
           ? nullptr
           : frame->tree().parent()->securityContext()->getFeaturePolicy();
   Vector<String> messages;
   const WebParsedFeaturePolicy& parsedHeader = parseFeaturePolicy(
       featurePolicyHeader, frame->securityContext()->getSecurityOrigin(),
       &messages);
   WebParsedFeaturePolicy containerPolicy;
-  if (frame->owner()) {
-    containerPolicy = getContainerPolicyFromAllowedFeatures(
-        frame->owner()->allowedFeatures(),
-        frame->securityContext()->getSecurityOrigin());
-  }
+  if (frame->owner())
+    containerPolicy = frame->owner()->containerPolicy();
   frame->securityContext()->initializeFeaturePolicy(
       parsedHeader, containerPolicy, parentFeaturePolicy);
 
   for (auto& message : messages) {
     document->addConsoleMessage(
         ConsoleMessage::create(OtherMessageSource, ErrorMessageLevel,
                                "Error with Feature-Policy header: " + message));
   }
   if (!parsedHeader.isEmpty())
     frame->client()->didSetFeaturePolicyHeader(parsedHeader);
@@ skipping 51 matching lines @@
                      InstallNewDocumentReason::kJavascriptURL,
                      ForceSynchronousParsing, KURL());
   if (!source.isNull())
     m_writer->appendReplacingData(source);
   endWriting();
 }
 
 DEFINE_WEAK_IDENTIFIER_MAP(DocumentLoader);
 
 }  // namespace blink