Componentize AccountReconcilor.

components/signin/core/browser/test_signin_client.cc

 // 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.
 
 #include "base/logging.h"
 #include "components/signin/core/browser/test_signin_client.h"
 #include "components/signin/core/browser/webdata/token_service_table.h"
 #include "components/webdata/common/web_data_service_base.h"
 #include "components/webdata/common/web_database_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 30 matching lines @@
   database_ = new TokenWebData(web_database,
                                base::MessageLoopProxy::current(),
                                base::MessageLoopProxy::current(),
                                WebDataServiceBase::ProfileErrorCallback());
   database_->Init();
 }
 
 bool TestSigninClient::ShouldMergeSigninCredentialsIntoCookieJar() {
   return true;
 }
+
+void TestSigninClient::SetCookieChangedCallback(
+    const CookieChangedCallback& callback) {}