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 996 matching lines @@
   LocalFrame* frame = document->GetFrame();
   WebFeaturePolicy* parent_feature_policy =
       frame->IsMainFrame()
           ? nullptr
           : frame->Tree().Parent()->GetSecurityContext()->GetFeaturePolicy();
   Vector<String> messages;
   const WebParsedFeaturePolicy& parsed_header = ParseFeaturePolicy(
       feature_policy_header, frame->GetSecurityContext()->GetSecurityOrigin(),
       &messages);
   WebParsedFeaturePolicy container_policy;
-  if (frame->Owner()) {
-    container_policy = GetContainerPolicyFromAllowedFeatures(
-        frame->Owner()->AllowedFeatures(),
-        frame->GetSecurityContext()->GetSecurityOrigin());
-  }
+  if (frame->Owner())
+    container_policy = frame->Owner()->ContainerPolicy();
   frame->GetSecurityContext()->InitializeFeaturePolicy(
       parsed_header, container_policy, parent_feature_policy);
 
   for (auto& message : messages) {
     document->AddConsoleMessage(
         ConsoleMessage::Create(kOtherMessageSource, kErrorMessageLevel,
                                "Error with Feature-Policy header: " + message));
   }
   if (!parsed_header.empty())
     frame->Client()->DidSetFeaturePolicyHeader(parsed_header);
@@ skipping 82 matching lines @@
                      InstallNewDocumentReason::kJavascriptURL,
                      kForceSynchronousParsing, KURL());
   if (!source.IsNull())
     writer_->AppendReplacingData(source);
   EndWriting();
 }
 
 DEFINE_WEAK_IDENTIFIER_MAP(DocumentLoader);
 
 }  // namespace blink