Replicate Content-Security-Policy into remote frame proxies.

third_party/WebKit/public/web/WebContentSecurityPolicy.h

 /*
  * 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:
  *
  *     * 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 21 matching lines @@
 #define WebContentSecurityPolicy_h
 
 namespace blink {
 
 enum WebContentSecurityPolicyType {
     WebContentSecurityPolicyTypeReport,
     WebContentSecurityPolicyTypeEnforce,
     WebContentSecurityPolicyTypeLast = WebContentSecurityPolicyTypeEnforce
 };
 
+enum WebContentSecurityPolicySource {
+    WebContentSecurityPolicySourceHTTP,
+    WebContentSecurityPolicySourceMeta,
+    WebContentSecurityPolicySourceLast = WebContentSecurityPolicySourceMeta
+};
+
 } // namespace blink
 
 #endif