non-new-profile-management creates a "no-op" style account_reconcilor,

chrome/browser/signin/test_signin_client_builder.h

+// 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_SIGNIN_TEST_SIGNIN_CLIENT_BUILDER_H_
+#define CHROME_BROWSER_SIGNIN_TEST_SIGNIN_CLIENT_BUILDER_H_
+
+class KeyedService;
+
+namespace content {
+class BrowserContext;
+}
+
+namespace signin {
+
+// Method to be used by the |ChromeSigninClientFactory| to create a test version
+// of the SigninClient
+KeyedService* BuildTestSigninClient(content::BrowserContext* context);
+
+}  // namespace signin
+
+
+#endif  // CHROME_BROWSER_SIGNIN_TEST_SIGNIN_CLIENT_BUILDER_H_