Walk up frame tree for srcdoc referrer policies

third_party/WebKit/Source/core/dom/ExecutionContext.h

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 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:
  * 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
@@ skipping 159 matching lines @@
   // the context's referrer policy to the last one that is a valid
   // policy. Logs a message to the console if none of the policy
   // tokens are valid policies.
   //
   // If |supportLegacyKeywords| is true, then the legacy keywords
   // "never", "default", "always", and "origin-when-crossorigin" are
   // parsed as valid policies.
   void parseAndSetReferrerPolicy(const String& policies,
                                  bool supportLegacyKeywords = false);
   void setReferrerPolicy(ReferrerPolicy);
-  ReferrerPolicy getReferrerPolicy() const { return m_referrerPolicy; }
+  virtual ReferrerPolicy getReferrerPolicy() const { return m_referrerPolicy; }
 
  protected:
   ExecutionContext();
   virtual ~ExecutionContext();
 
   virtual const KURL& virtualURL() const = 0;
   virtual KURL virtualCompleteURL(const String&) const = 0;
 
  private:
   bool dispatchErrorEventInternal(ErrorEvent*, AccessControlStatus);
@@ skipping 17 matching lines @@
 
   Deque<std::unique_ptr<SuspendableTask>> m_suspendedTasks;
   bool m_isRunSuspendableTasksScheduled;
 
   ReferrerPolicy m_referrerPolicy;
 };
 
 }  // namespace blink
 
 #endif  // ExecutionContext_h