Check for equality of the URL's origin in replaceState/pushState

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 105 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;
 
+    // Returns true if the two URLs are equivalent and can be used as a URL for
+    // |document|. It is used for history.pushState and history.replaceState.
+    bool areSamePageUrls(const KURL&, 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(String& errorMessage) const;
 
     // Returns true if this SecurityOrigin can load local resources, such
     // as images, iframes, and style sheets, and can link to local URLs.
     // For example, call this function before creating an iframe to a
     // file:// URL.
@@ skipping 126 matching lines @@
     bool m_universalAccess;
     bool m_domainWasSetInDOM;
     bool m_canLoadLocalResources;
     bool m_blockLocalAccessFromLocalOrigin;
     bool m_needsDatabaseIdentifierQuirkForFiles;
 };
 
 } // namespace blink
 
 #endif // SecurityOrigin_h