Replicate feature policy container policies.

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

 /*
  * Copyright (C) 2009 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 1638 matching lines @@
       ownerElement->csp(), ownerElement->allowedFeatures());
   // FIXME: Using subResourceAttributeName as fallback is not a perfect
   // solution. subResourceAttributeName returns just one attribute name. The
   // element might not have the attribute, and there might be other attributes
   // which can identify the element.
   WebLocalFrameImpl* webframeChild =
       toWebLocalFrameImpl(m_client->createChildFrame(
           this, scope, name,
           ownerElement->getAttribute(ownerElement->subResourceAttributeName()),
           static_cast<WebSandboxFlags>(ownerElement->getSandboxFlags()),
-          ownerProperties));
+          ownerElement->containerPolicy(), ownerProperties));
   if (!webframeChild)
     return nullptr;
 
   webframeChild->initializeCoreFrame(*frame()->page(), ownerElement, name);
   // Initializing the core frame may cause the new child to be detached, since
   // it may dispatch a load event in the parent.
   if (!webframeChild->parent())
     return nullptr;
 
   // If we're moving in the back/forward list, we might want to replace the
@@ skipping 844 matching lines @@
         createMarkup(startPosition, endPosition, AnnotateForInterchange,
                      ConvertBlocksToInlines::NotConvert, ResolveNonLocalURLs);
   } else {
     clipHtml =
         createMarkup(endPosition, startPosition, AnnotateForInterchange,
                      ConvertBlocksToInlines::NotConvert, ResolveNonLocalURLs);
   }
 }
 
 }  // namespace blink