Add suborigin logic to url::Origin

content/public/common/origin_util.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 CONTENT_PUBLIC_COMMON_ORIGIN_UTIL_H_
 #define CONTENT_PUBLIC_COMMON_ORIGIN_UTIL_H_
 
-#include <string>
-
 #include "content/common/content_export.h"
 
 class GURL;
 
 namespace content {
 
 // Returns true if the origin is trustworthy: that is, if its contents can be
 // said to have been transferred to the browser in a way that a network attacker
 // cannot tamper with or observe.
 //
 // See https://www.w3.org/TR/powerful-features/#is-origin-trustworthy.
 bool CONTENT_EXPORT IsOriginSecure(const GURL& url);
 
 // Returns true if the origin can register a service worker.  Scheme must be
 // http (localhost only), https, or a custom-set secure scheme.
 bool CONTENT_EXPORT OriginCanAccessServiceWorkers(const GURL& url);
 
 // Resets the internal schemes/origins whitelist. Used only for testing.
 void CONTENT_EXPORT ResetSchemesAndOriginsWhitelistForTesting();
 
-// Utility functions for extracting Suborigin information from a URL that a
-// Suborigin has been serialized into. See
-// https://w3c.github.io/webappsec-suborigins/ for more information on
-// Suborigins.
-//
-// Returns true if the url has a serialized Suborigin in the host. Otherwise,
-// returns false.
-bool CONTENT_EXPORT HasSuborigin(const GURL& url);
-
-// If the host in the URL has a Suborigin serialized into it, returns the name.
-// Otherwise, returns the empty string.
-std::string CONTENT_EXPORT SuboriginFromUrl(const GURL& url);
-
-// If the URL has a suborigin serialized into it, returns the same URL with the
-// suborigin stripped. Otherwise, returns the original URL unchanged.
-//
-// For example, if given the URL https-so://foobar.example.com, the returned URL
-// would be https://example.com. If given the URL https://foobar.com (no
-// suborigin), the returned URL would be https://foobar.com.
-GURL CONTENT_EXPORT StripSuboriginFromUrl(const GURL& url);
-
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_ORIGIN_UTIL_H_