Use leveldb_env::OpenDB() to open leveldb databases.

chrome/browser/sync_file_system/drive_backend/metadata_database_unittest.cc

 // Copyright 2013 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 "chrome/browser/sync_file_system/drive_backend/metadata_database.h"
 
 #include <stdint.h>
 
 #include <unordered_map>
 #include <utility>
@@ skipping 10 matching lines @@
 #include "chrome/browser/sync_file_system/drive_backend/drive_backend_test_util.h"
 #include "chrome/browser/sync_file_system/drive_backend/drive_backend_util.h"
 #include "chrome/browser/sync_file_system/drive_backend/leveldb_wrapper.h"
 #include "chrome/browser/sync_file_system/drive_backend/metadata_database.pb.h"
 #include "chrome/browser/sync_file_system/drive_backend/metadata_database_index.h"
 #include "chrome/browser/sync_file_system/drive_backend/metadata_database_index_interface.h"
 #include "chrome/browser/sync_file_system/drive_backend/metadata_database_index_on_disk.h"
 #include "chrome/browser/sync_file_system/sync_file_system_test_util.h"
 #include "google_apis/drive/drive_api_parser.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/leveldatabase/env_chromium.h"
 #include "third_party/leveldatabase/src/helpers/memenv/memenv.h"
 #include "third_party/leveldatabase/src/include/leveldb/db.h"
 #include "third_party/leveldatabase/src/include/leveldb/env.h"
 #include "third_party/leveldatabase/src/include/leveldb/write_batch.h"
 
 #define FPL(a) FILE_PATH_LITERAL(a)
 
 namespace sync_file_system {
 namespace drive_backend {
 
@@ skipping 223 matching lines @@
   }
 
   void VerifyTrackedFiles(const TrackedFile** tracked_files, int size) {
     for (int i = 0; i < size; ++i)
       VerifyTrackedFile(*tracked_files[i]);
   }
 
   MetadataDatabase* metadata_database() { return metadata_database_.get(); }
 
   std::unique_ptr<LevelDBWrapper> InitializeLevelDB() {
-    leveldb::DB* db = nullptr;
+    std::unique_ptr<leveldb::DB> db;
     leveldb::Options options;
     options.create_if_missing = true;
     options.max_open_files = 0;  // Use minimum.
     options.env = in_memory_env_.get();
-    leveldb::Status status =
-        leveldb::DB::Open(options, database_dir_.GetPath().AsUTF8Unsafe(), &db);
+    leveldb::Status status = leveldb_env::OpenDB(
+        options, database_dir_.GetPath().AsUTF8Unsafe(), &db);
     EXPECT_TRUE(status.ok());
 
-    std::unique_ptr<LevelDBWrapper> wrapper(
-        new LevelDBWrapper(base::WrapUnique(db)));
+    std::unique_ptr<LevelDBWrapper> wrapper(new LevelDBWrapper(std::move(db)));
 
     wrapper->Put(kDatabaseVersionKey, base::Int64ToString(3));
     SetUpServiceMetadata(wrapper.get());
 
     return wrapper;
   }
 
   void SetUpServiceMetadata(LevelDBWrapper* db) {
     ServiceMetadata service_metadata;
     service_metadata.set_largest_change_id(kInitialChangeID);
@@ skipping 873 matching lines @@
   EXPECT_TRUE(file->HasKey("details"));
 
   ASSERT_TRUE(files->GetDictionary(1, &file));
   EXPECT_TRUE(file->GetString("title", &str) && str == "file_0");
   EXPECT_TRUE(file->GetString("type", &str) && str == "file");
   EXPECT_TRUE(file->HasKey("details"));
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system