ServiceWorker: Implement DeleteAllDataForOrigin() in ServiceWorkerDatabase

content/browser/service_worker/service_worker_database.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.
 
 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DATABASE_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DATABASE_H_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 110 matching lines @@
   bool GetPurgeableResourceIds(std::set<int64>* ids);
 
   // Writes |ids| into the database as purgeable resources. Returns true on
   // success. Otherwise writes nothing and returns false.
   bool WritePurgeableResourceIds(const std::set<int64>& ids);
 
   // Deletes purgeable resource ids specified by |ids| from the database.
   // Returns true on success. Otherwise deletes nothing and returns false.
   bool ClearPurgeableResourceIds(const std::set<int64>& ids);
 
+  // Delete all data for |origin|, namely, unique origin, registrations and
+  // resource records. Resources are moved to the purgeable list.
+  bool DeleteAllDataForOrigin(const GURL& origin);
+
   bool is_disabled() const { return is_disabled_; }
   bool was_corruption_detected() const { return was_corruption_detected_; }
 
  private:
   // Opens the database at the |path_|. This is lazily called when the first
   // database API is called. Returns true if the database was opened. Returns
   // false if the opening failed or was not neccessary, that is, the database
   // does not exist and |create_if_needed| is false.
   bool LazyOpen(bool create_if_needed);
 
@@ skipping 62 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerDatabaseTest, Registration_Basic);
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerDatabaseTest, Registration_Overwrite);
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerDatabaseTest, Registration_Multiple);
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDatabase);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DATABASE_H_