[Prototype] Delete Google service worker caches on Android signout

components/google/core/browser/google_util.h

 // Copyright 2014 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.
 //
 // Some Google related utility functions.
 
 #ifndef COMPONENTS_GOOGLE_CORE_BROWSER_GOOGLE_UTIL_H_
 #define COMPONENTS_GOOGLE_CORE_BROWSER_GOOGLE_UTIL_H_
 
 #include <string>
+#include <vector>
 
 #include "base/strings/string_piece.h"
 
 class GURL;
 
 // This namespace provides various helpers around handling Google-related URLs.
 namespace google_util {
 
 // True iff |str| contains a "q=" or "as_q=" query parameter with a non-empty
 // value. |str| should be a query or a hash fragment, without the ? or # (as
@@ skipping 84 matching lines @@
 // True if |url| represents a valid Google search URL.
 bool IsGoogleSearchUrl(const GURL& url);
 
 // True if |url| is a valid youtube.<TLD> URL.  If |port_permission| is
 // DISALLOW_NON_STANDARD_PORTS, this also requires |url| to use the standard
 // port for its scheme (80 for HTTP, 443 for HTTPS).
 bool IsYoutubeDomainUrl(const GURL& url,
                         SubdomainPermission subdomain_permission,
                         PortPermission port_permission);
 
+// Returns the list of all Google's registerable domains, i.e. domains named
+// google.<eTLD> owned by Google.
+// TODO(msramek): This is currently only used to ensure the deletion of Google
+// service workers on signout. Remove this once we have other options to do it,
+// such as service workers discovering that signin cookies are missing and
+// unregistering themselves.
+const std::vector<std::string>& GetGoogleRegistrableDomains();
+
 }  // namespace google_util
 
 #endif  // COMPONENTS_GOOGLE_CORE_BROWSER_GOOGLE_UTIL_H_