sync: Specialize functions that fetch type root

sync/internal_api/sync_backup_manager_unittest.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 "sync/internal_api/sync_backup_manager.h"
 
 #include "base/files/scoped_temp_dir.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"
@@ skipping 34 matching lines @@
           ModelTypeSet(), ModelTypeSet(), ModelTypeSet(),
           ModelSafeRoutingInfo(),
           base::Bind(&OnConfigDone, true),
           base::Bind(&OnConfigDone, false));
   }
 
   void CreateEntry(UserShare* user_share, ModelType type,
                    const std::string& client_tag) {
     WriteTransaction trans(FROM_HERE, user_share);
     ReadNode type_root(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              type_root.InitByTagLookup(ModelTypeToRootTag(type)));
+    EXPECT_EQ(BaseNode::INIT_OK, type_root.InitTypeRoot(type));
 
     WriteNode node(&trans);
     EXPECT_EQ(WriteNode::INIT_SUCCESS,
               node.InitUniqueByCreation(type, type_root, client_tag));
   }
 
   base::ScopedTempDir temp_dir_;
   base::MessageLoop loop_;    // Needed for WeakHandle
 };
 
@@ skipping 36 matching lines @@
               pref.InitByClientTagLookup(PREFERENCES, "test"));
     EXPECT_TRUE(pref.GetEntry()->GetId().ServerKnows());
     EXPECT_FALSE(pref.GetEntry()->GetIsUnsynced());
   }
 }
 
 }  // anonymous namespace
 
 }  // namespace syncer