signin: pull basic SigninManager functionality into new SigninManagerBase class.

chrome/browser/sync/profile_sync_service_autofill_unittest.cc

 // Copyright 2012 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 <set>
 #include <string>
 #include <vector>
 
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 504 matching lines @@
     if (node.InitByTagLookup(syncer::ModelTypeToRootTag(type)) !=
         syncer::BaseNode::INIT_OK)
       return 0;
     return node.GetTotalNodeCount() - 1;
   }
 
   void StartSyncService(const base::Closure& callback,
                         bool will_fail_association,
                         syncer::ModelType type) {
     AbstractAutofillFactory* factory = GetFactory(type);
-    SigninManager* signin = SigninManagerFactory::GetForProfile(profile_.get());
+    SigninManagerBase* signin =
+        SigninManagerFactory::GetForProfile(profile_.get());
     signin->SetAuthenticatedUsername("test_user");
     sync_service_ = static_cast<TestProfileSyncService*>(
         ProfileSyncServiceFactory::GetInstance()->SetTestingFactoryAndUse(
             profile_.get(), &TestProfileSyncService::BuildAutoStartAsyncInit));
     sync_service_->set_backend_init_callback(callback);
 
     ProfileSyncComponentsFactoryMock* components =
         sync_service_->components_factory_mock();
     DataTypeController* data_type_controller =
         factory->CreateDataTypeController(components,
@@ skipping 827 matching lines @@
   std::vector<AutofillEntry> sync_entries;
   std::vector<AutofillProfile> sync_profiles;
   ASSERT_TRUE(GetAutofillEntriesFromSyncDB(&sync_entries, &sync_profiles));
   EXPECT_EQ(3U, sync_entries.size());
   EXPECT_EQ(0U, sync_profiles.size());
   for (size_t i = 0; i < sync_entries.size(); i++) {
     DVLOG(1) << "Entry " << i << ": " << sync_entries[i].key().name()
              << ", " << sync_entries[i].key().value();
   }
 }