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// Copyright (c) 2010 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.
#include <string>
#include "base/file_path.h"
#include "base/task.h"
class ProfileSyncService;
// The TokenMigrator provides a bridge between the IO thread and
// the UI thread to load the old-style credentials from the user
// settings DB, and post them back to the UI thread to store the
// token in the token service.
class TokenMigrator {
public:
TokenMigrator(ProfileSyncService* service,
const FilePath& profile_path);
~TokenMigrator();
// This is called on the UI thread, it only posts a task.
// If migration succeeds, the tokens will become available in
// the token service.
void TryMigration();
private:
// This runs as a deferred task on the DB thread.
void LoadTokens();
// This runs as a deferred task on the UI thread (only after the DB thread is
// finished with the data.
void PostTokensBack();
// The username and token retrieved from the user settings DB.
std::string username_;
std::string token_;
// The ProfileSyncService owns this object, so this pointer is valid when
// PostTokensBack is called.
ProfileSyncService* service_;
// Pending tasks, stored so they can be canceled if this object is destroyed.
CancelableTask* loading_task_;
// The directory to search for the user settings database.
FilePath database_location_;
DISALLOW_COPY_AND_ASSIGN(TokenMigrator);
};
// We ensure this object will outlive its tasks, so don't need refcounting.
DISABLE_RUNNABLE_METHOD_REFCOUNT(TokenMigrator);
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