Adding methods that will be used by the quota management UI....

webkit/database/database_connections.h

+// Copyright (c) 2009 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 WEBKIT_DATABASE_DATABASE_CONNECTIONS_H_
+#define WEBKIT_DATABASE_DATABASE_CONNECTIONS_H_
+
+#include "base/string16.h"
+
+#include <map>
+
+namespace webkit_database {
+
+class DatabaseConnections {
+ public:
+  DatabaseConnections();
+  ~DatabaseConnections();
+
+  bool IsDatabaseOpened(const string16& origin_identifier,
+                        const string16& database_name);
+  bool IsOriginUsed(const string16& origin_identifier);
+  void AddConnection(const string16& origin_identifier,
+                     const string16& database_name);
+  void RemoveConnection(const string16& origin_identifier,
+                        const string16& database_name);
+  void RemoveAllConnections();
+  void RemoveConnections(const DatabaseConnections& connections);
+
+ private:
+  typedef std::map<string16, int> DBConnections;
+  typedef std::map<string16, DBConnections> OriginConnections;
+  OriginConnections connections_;
+
+  void RemoveConnectionsHelper(const string16& origin_identifier,
+                               const string16& database_name,
+                               int num_connections);
+};
+
+}  // namespace webkit_database
+
+#endif  // WEBKIT_DATABASE_DATABASE_CONNECTIONS_H_