Allow sync integration tests to operate on multiple datatypes: Preferences + Bookmarks

chrome/test/live_sync/sync_datatype_helper.h

Index: chrome/test/live_sync/sync_datatype_helper.h
diff --git a/chrome/test/live_sync/sync_datatype_helper.h b/chrome/test/live_sync/sync_datatype_helper.h
new file mode 100644
index 0000000000000000000000000000000000000000..1fccda566afd555fefa8abbcd7f4899357345f6c
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+++ b/chrome/test/live_sync/sync_datatype_helper.h
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+// Copyright (c) 2011 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_TEST_LIVE_SYNC_SYNC_DATATYPE_HELPER_H_
+#define CHROME_TEST_LIVE_SYNC_SYNC_DATATYPE_HELPER_H_
+#pragma once
+
+#include "base/basictypes.h"
+
+class LiveSyncTest;
+
+class SyncDatatypeHelper {
+ public:
+  // Associates an instance of LiveSyncTest with a SyncDatatypeHelper. Must be
+  // called before any of the methods in the helper subclasses can be used.
+  static void AssociateWithTest(LiveSyncTest* test);
+
+  // Returns |test_| after making sure it is a valid pointer.
+  static LiveSyncTest* test();
+
+ protected:
+  SyncDatatypeHelper();
+  virtual ~SyncDatatypeHelper();
+
+ private:
+  // The LiveSyncTest instance associated with this helper object.
+  static LiveSyncTest* test_;
+
+  DISALLOW_COPY_AND_ASSIGN(SyncDatatypeHelper);
+};
+
+
+#endif  // CHROME_TEST_LIVE_SYNC_SYNC_DATATYPE_HELPER_H_