Block renderer-initiated main frame navigations to data URLs

third_party/WebKit/Source/platform/weborigin/SecurityOrigin.h

 /*
  * Copyright (C) 2007, 2008 Apple 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 115 matching lines @@
   // Returns true if drawing an image from this URL taints a canvas from
   // this security origin. For example, call this function before
   // drawing an image onto an HTML canvas element with the drawImage API.
   bool TaintsCanvas(const KURL&) const;
 
   // Returns true if |document| can display content from the given URL (e.g.,
   // in an iframe or as an image). For example, web sites generally cannot
   // display content from the user's files system.
   bool CanDisplay(const KURL&) const;
 
+  bool CanNavigateInTopFrame(const KURL&) const;
+
   // Returns true if the origin loads resources either from the local
   // machine or over the network from a
   // cryptographically-authenticated origin, as described in
   // https://w3c.github.io/webappsec/specs/powerfulfeatures/#is-origin-trustworthy.
   bool IsPotentiallyTrustworthy() const;
 
   // Returns a human-readable error message describing that a non-secure
   // origin's access to a feature is denied.
   static String IsPotentiallyTrustworthyErrorMessage();
 
@@ skipping 150 matching lines @@
   bool universal_access_;
   bool domain_was_set_in_dom_;
   bool can_load_local_resources_;
   bool block_local_access_from_local_origin_;
   bool is_unique_origin_potentially_trustworthy_;
 };
 
 }  // namespace blink
 
 #endif  // SecurityOrigin_h