Initialize a default feature policy for all documents

third_party/WebKit/Source/core/dom/SecurityContext.cpp

 /*
  * 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 87 matching lines @@
   DCHECK(!security_origin_->HasSuborigin() ||
          security_origin_->GetSuborigin()->GetName() == suborigin.GetName());
   security_origin_->AddSuborigin(suborigin);
   DidUpdateSecurityOrigin();
 }
 
 void SecurityContext::InitializeFeaturePolicy(
     const WebParsedFeaturePolicy& parsed_header,
     const WebParsedFeaturePolicy& container_policy,
     const WebFeaturePolicy* parent_feature_policy) {
-  DCHECK(!feature_policy_);
   WebSecurityOrigin origin = WebSecurityOrigin(security_origin_);
   feature_policy_ = Platform::Current()->CreateFeaturePolicy(
       parent_feature_policy, container_policy, parsed_header, origin);
 }
 
 void SecurityContext::UpdateFeaturePolicyOrigin() {
   if (!feature_policy_)
     return;
   feature_policy_ = Platform::Current()->DuplicateFeaturePolicyWithOrigin(
       *feature_policy_, WebSecurityOrigin(security_origin_));
 }
 
 }  // namespace blink