[Extension ServiceWorkers] Allow service worker registration

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 "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);
 
 // Resets the internal schemes/origins whitelist. Used only for testing.
 void CONTENT_EXPORT ResetSecureSchemesAndOriginsForTesting();
 
+// 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);
+
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_ORIGIN_UTIL_H_