Move fileapi-related files from webkit/common/ to storage/common/ and set up redirect headers

webkit/common/database/database_connections.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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 WEBKIT_COMMON_DATABASE_DATABASE_CONNECTIONS_H_
-#define WEBKIT_COMMON_DATABASE_DATABASE_CONNECTIONS_H_
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/memory/ref_counted.h"
-#include "base/strings/string16.h"
-#include "base/synchronization/lock.h"
-#include "webkit/common/storage_common_export.h"
-
-namespace base {
-class MessageLoopProxy;
-}
-
-namespace storage {
-
-class STORAGE_COMMON_EXPORT DatabaseConnections {
- public:
-  DatabaseConnections();
-  ~DatabaseConnections();
-
-  bool IsEmpty() const;
-  bool IsDatabaseOpened(const std::string& origin_identifier,
-                        const base::string16& database_name) const;
-  bool IsOriginUsed(const std::string& origin_identifier) const;
-
-  // Returns true if this is the first connection.
-  bool AddConnection(const std::string& origin_identifier,
-                     const base::string16& database_name);
-
-  // Returns true if the last connection was removed.
-  bool RemoveConnection(const std::string& origin_identifier,
-                        const base::string16& database_name);
-
-  void RemoveAllConnections();
-  void RemoveConnections(
-      const DatabaseConnections& connections,
-      std::vector<std::pair<std::string, base::string16> >* closed_dbs);
-
-  // Database sizes can be kept only if IsDatabaseOpened returns true.
-  int64 GetOpenDatabaseSize(const std::string& origin_identifier,
-                            const base::string16& database_name) const;
-  void SetOpenDatabaseSize(const std::string& origin_identifier,
-                           const base::string16& database_name,
-                           int64 size);
-
-  // Returns a list of the connections, <origin_id, name>.
-  void ListConnections(
-      std::vector<std::pair<std::string, base::string16> > *list) const;
-
- private:
-  // Mapping from name to <openCount, size>
-  typedef std::map<base::string16, std::pair<int, int64> > DBConnections;
-  typedef std::map<std::string, DBConnections> OriginConnections;
-  mutable OriginConnections connections_;  // mutable for GetOpenDatabaseSize
-
-  // Returns true if the last connection was removed.
-  bool RemoveConnectionsHelper(const std::string& origin_identifier,
-                               const base::string16& database_name,
-                               int num_connections);
-};
-
-// A wrapper class that provides thread-safety and the
-// ability to wait until all connections have closed.
-// Intended for use in renderer processes.
-class STORAGE_COMMON_EXPORT DatabaseConnectionsWrapper
-    : public base::RefCountedThreadSafe<DatabaseConnectionsWrapper> {
- public:
-  DatabaseConnectionsWrapper();
-
-  // The Wait and Has methods should only be called on the
-  // main thread (the thread on which the wrapper is constructed).
-  void WaitForAllDatabasesToClose();
-  bool HasOpenConnections();
-
-  // Add and Remove may be called on any thread.
-  void AddOpenConnection(const std::string& origin_identifier,
-                         const base::string16& database_name);
-  void RemoveOpenConnection(const std::string& origin_identifier,
-                            const base::string16& database_name);
- private:
-  ~DatabaseConnectionsWrapper();
-  friend class base::RefCountedThreadSafe<DatabaseConnectionsWrapper>;
-
-  bool waiting_for_dbs_to_close_;
-  base::Lock open_connections_lock_;
-  DatabaseConnections open_connections_;
-  scoped_refptr<base::MessageLoopProxy> main_thread_;
-};
-
-}  // namespace storage
-
-#endif  // WEBKIT_COMMON_DATABASE_DATABASE_CONNECTIONS_H_
+#include "storage/common/database/database_connections.h"