Expose RenderFrameHost::GetLastCommittedOrigin().

url/origin.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef URL_ORIGIN_H_
 #define URL_ORIGIN_H_
 
 #include <string>
 
 #include "base/strings/string16.h"
@@ skipping 99 matching lines @@
   bool unique() const { return unique_; }
 
   // An ASCII serialization of the Origin as per Section 6.2 of RFC 6454, with
   // the addition that all Origins with a 'file' scheme serialize to "file://".
   std::string Serialize() const;
 
   // Two Origins are "same-origin" if their schemes, hosts, and ports are exact
   // matches; and neither is unique.
   bool IsSameOriginWith(const Origin& other) const;
 
-  // Allows SchemeHostPort to used as a key in STL (for example, a std::set or
+  // Allows Origin to be used as a key in STL (for example, a std::set or
   // std::map).
   bool operator<(const Origin& other) const;
 
  private:
   Origin(base::StringPiece scheme, base::StringPiece host, uint16 port);
 
   SchemeHostPort tuple_;
   bool unique_;
 };
 
 URL_EXPORT std::ostream& operator<<(std::ostream& out,
                                     const Origin& origin);
 
 }  // namespace url
 
 #endif  // URL_ORIGIN_H_