Add user_prefs::TestPrefServiceSyncable

components/pref_registry/testing_pref_service_syncable.h

Index: components/pref_registry/testing_pref_service_syncable.h
diff --git a/components/pref_registry/testing_pref_service_syncable.h b/components/pref_registry/testing_pref_service_syncable.h
new file mode 100644
index 0000000000000000000000000000000000000000..5522baa8429f380c58d0857ce372387f6673ed87
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+++ b/components/pref_registry/testing_pref_service_syncable.h
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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 COMPONENTS_PERF_REGISTRY_TESTING_PREF_SERVICE_SYNCABLE_H_
+#define COMPONENTS_PERF_REGISTRY_TESTING_PREF_SERVICE_SYNCABLE_H_
+
+#include "base/basictypes.h"
+#include "base/prefs/testing_pref_service.h"
+
+namespace user_prefs {
+
+class PrefRegistrySyncable;
+
+// Test version of PrefServiceSyncable.
+class TestingPrefServiceSyncable
+    : public TestingPrefServiceBase<PrefService, PrefRegistrySyncable> {
+ public:
+  TestingPrefServiceSyncable();
+  TestingPrefServiceSyncable(TestingPrefStore* managed_prefs,
+                             TestingPrefStore* user_prefs,
+                             TestingPrefStore* recommended_prefs,
+                             PrefRegistrySyncable* pref_registry,
+                             PrefNotifierImpl* pref_notifier);
+  virtual ~TestingPrefServiceSyncable();
+
+  // This is provided as a convenience; on a production PrefService
+  // you would do all registrations before constructing it, passing it
+  // a PrefRegistry via its constructor (or via e.g. PrefServiceFactory).
+  PrefRegistrySyncable* registry();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(TestingPrefServiceSyncable);
+};
+
+}  // namespace user_prefs
+
+#endif  // COMPONENTS_PERF_REGISTRY_TESTING_PREF_SERVICE_SYNCABLE_H_