Index: chrome/browser/sync/test/integration/migration_waiter.h |
diff --git a/chrome/browser/sync/test/integration/migration_waiter.h b/chrome/browser/sync/test/integration/migration_waiter.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ff179f558aaddf6b7058ce882305f55f3426b4b5 |
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+// 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 CHROME_BROWSER_SYNC_TEST_INTEGRATION_MIGRATION_WAITER_H_ |
+#define CHROME_BROWSER_SYNC_TEST_INTEGRATION_MIGRATION_WAITER_H_ |
+ |
+#include "base/macros.h" |
+#include "chrome/browser/sync/test/integration/status_change_checker.h" |
+#include "sync/internal_api/public/base/model_type.h" |
+ |
+class MigrationWatcher; |
+ |
+// Helper class that checks if the sync backend has successfully completed |
+// migration for a set of data types. |
+// |
+// Collaborates with the MigrationWatcher, defined above. |
+class MigrationWaiter : public StatusChangeChecker { |
+ public: |
+ // Initialize a waiter that will wait until |watcher|'s migrated types |
+ // match the provided |exptected_types|. |
+ MigrationWaiter(syncer::ModelTypeSet expected_types, |
+ MigrationWatcher* watcher); |
+ |
+ virtual ~MigrationWaiter(); |
+ |
+ // Implementation of StatusChangeChecker. |
+ virtual bool IsExitConditionSatisfied() OVERRIDE; |
+ virtual std::string GetDebugMessage() const OVERRIDE; |
+ |
+ // Function to trigger the waiting. |
+ void Wait(); |
+ |
+ // Callback invoked by our associated waiter when migration state changes. |
+ void OnMigrationStateChange(); |
+ |
+ private: |
+ // The MigrationWatcher we're observering. |
+ MigrationWatcher* const watcher_; |
David Abrahams
2014/08/22 18:54:41
Nit: Feels a little weird that a Watcher has a Wai
|
+ |
+ // The set of data types that are expected to eventually undergo migration. |
+ const syncer::ModelTypeSet expected_types_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(MigrationWaiter); |
+}; |
+ |
+#endif // CHROME_BROWSER_SYNC_TEST_INTEGRATION_MIGRATION_WAITER_H_ |