Add sync manager classes for backup/rollback:

sync/internal_api/sync_rollback_manager_base_unittest.cc

Index: sync/internal_api/sync_rollback_manager_base_unittest.cc
diff --git a/sync/internal_api/sync_rollback_manager_base_unittest.cc b/sync/internal_api/sync_rollback_manager_base_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..eb379bb9a5731c7f0005edc7252926e38de2ee6e
--- /dev/null
+++ b/sync/internal_api/sync_rollback_manager_base_unittest.cc
@@ -0,0 +1,69 @@
+// 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 "sync/internal_api/sync_rollback_manager_base.h"
+
+#include "base/bind.h"
+#include "sync/internal_api/public/read_node.h"
+#include "sync/internal_api/public/read_transaction.h"
+#include "sync/internal_api/public/test/test_internal_components_factory.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace syncer {
+
+class SyncRollbackManagerBaseTest : public testing::Test {
+ public:
+  virtual void SetUp() OVERRIDE {
+    TestInternalComponentsFactory factory(InternalComponentsFactory::Switches(),
+                                          STORAGE_IN_MEMORY);
+    manager_.Init(base::FilePath("test"),
+                  MakeWeakHandle(base::WeakPtr<JsEventHandler>()),
+                  "", 0, true, scoped_ptr<HttpPostProviderFactory>().Pass(),
+                  std::vector<scoped_refptr<ModelSafeWorker> >(),
+                  NULL, NULL, SyncCredentials(), "", "", "", &factory,
+                  NULL, scoped_ptr<UnrecoverableErrorHandler>().Pass(),
+                  NULL, NULL);
+  }
+
+  void OnConfigDone(bool success) {
+    EXPECT_TRUE(success);
+  }
+
+ protected:
+  SyncRollbackManagerBase manager_;
+  base::MessageLoop loop_;    // Needed for WeakHandle
+};
+
+TEST_F(SyncRollbackManagerBaseTest, InitTypeOnConfiguration) {
+  EXPECT_TRUE(manager_.InitialSyncEndedTypes().Empty());
+
+  manager_.ConfigureSyncer(
+      CONFIGURE_REASON_NEW_CLIENT,
+      ModelTypeSet(PREFERENCES, BOOKMARKS),
+      ModelTypeSet(), ModelTypeSet(), ModelTypeSet(), ModelSafeRoutingInfo(),
+      base::Bind(&SyncRollbackManagerBaseTest::OnConfigDone,
+                 base::Unretained(this), true),
+      base::Bind(&SyncRollbackManagerBaseTest::OnConfigDone,
+                 base::Unretained(this), false));
+
+  ReadTransaction trans(FROM_HERE, manager_.GetUserShare());
+  ReadNode pref_root(&trans);
+  EXPECT_EQ(BaseNode::INIT_OK,
+            pref_root.InitByTagLookup(ModelTypeToRootTag(PREFERENCES)));
+
+  ReadNode bookmark_root(&trans);
+  EXPECT_EQ(BaseNode::INIT_OK,
+            bookmark_root.InitByTagLookup(ModelTypeToRootTag(BOOKMARKS)));
+  ReadNode bookmark_bar(&trans);
+  EXPECT_EQ(BaseNode::INIT_OK,
+            bookmark_bar.InitByTagLookup("bookmark_bar"));
+  ReadNode bookmark_mobile(&trans);
+  EXPECT_EQ(BaseNode::INIT_OK,
+            bookmark_mobile.InitByTagLookup("synced_bookmarks"));
+  ReadNode bookmark_other(&trans);
+  EXPECT_EQ(BaseNode::INIT_OK,
+            bookmark_other.InitByTagLookup("other_bookmarks"));
+}
+
+}  // namespace syncer