Split testing_pref_service.h/.cc into two parts, generic vs. Chrome-specific.

chrome/test/base/testing_pref_service_syncable.h

+// Copyright (c) 2013 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_BASE_TESTING_PREF_SERVICE_SYNCABLE_H_
+#define CHROME_TEST_BASE_TESTING_PREF_SERVICE_SYNCABLE_H_
+
+#include "base/basictypes.h"
+#include "chrome/browser/prefs/pref_service_syncable.h"
+#include "chrome/test/base/testing_pref_service.h"
+
+class PrefRegistrySyncable;
+
+// Test version of PrefServiceSyncable.
+class TestingPrefServiceSyncable
+    : public TestingPrefServiceBase<PrefServiceSyncable, PrefRegistrySyncable> {
+ public:
+  TestingPrefServiceSyncable();
+  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. PrefServiceBuilder).
+  PrefRegistrySyncable* registry();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(TestingPrefServiceSyncable);
+};
+
+template<>
+TestingPrefServiceBase<PrefServiceSyncable, PrefRegistrySyncable>::
+    TestingPrefServiceBase(
+        TestingPrefStore* managed_prefs,
+        TestingPrefStore* user_prefs,
+        TestingPrefStore* recommended_prefs,
+        PrefRegistrySyncable* pref_registry,
+        PrefNotifierImpl* pref_notifier);
+
+#endif  // CHROME_TEST_BASE_TESTING_PREF_SERVICE_SYNCABLE_H_
+