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

chrome/browser/sync_file_system/drive_backend/register_app_task_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/register_app_task.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <utility>
@@ skipping 13 matching lines @@
 #include "chrome/browser/sync_file_system/drive_backend/leveldb_wrapper.h"
 #include "chrome/browser/sync_file_system/drive_backend/metadata_database.h"
 #include "chrome/browser/sync_file_system/drive_backend/metadata_database.pb.h"
 #include "chrome/browser/sync_file_system/drive_backend/sync_engine_context.h"
 #include "chrome/browser/sync_file_system/sync_file_system_test_util.h"
 #include "components/drive/drive_uploader.h"
 #include "components/drive/service/fake_drive_service.h"
 #include "content/public/test/test_browser_thread_bundle.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"
 
 namespace sync_file_system {
 namespace drive_backend {
 
 namespace {
 const int64_t kSyncRootTrackerID = 100;
 }  // namespace
@@ skipping 29 matching lines @@
                   kSyncRootFolderTitle, &sync_root_folder_id_));
   }
 
   void TearDown() override {
     context_.reset();
     base::RunLoop().RunUntilIdle();
   }
 
  protected:
   std::unique_ptr<LevelDBWrapper> OpenLevelDB() {
-    leveldb::DB* db = nullptr;
+    std::unique_ptr<leveldb::DB> db;
     leveldb::Options options;
     options.create_if_missing = true;
     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());
-    return base::MakeUnique<LevelDBWrapper>(base::WrapUnique(db));
+    return base::MakeUnique<LevelDBWrapper>(std::move(db));
   }
 
   void SetUpInitialData(LevelDBWrapper* db) {
     ServiceMetadata service_metadata;
     service_metadata.set_largest_change_id(100);
     service_metadata.set_sync_root_tracker_id(kSyncRootTrackerID);
     service_metadata.set_next_tracker_id(next_tracker_id_);
 
     FileDetails sync_root_details;
     sync_root_details.set_title(kSyncRootFolderTitle);
@@ skipping 234 matching lines @@
 
   CreateMetadataDatabase(std::move(db));
   RunRegisterAppTask(kAppID);
 
   EXPECT_EQ(1u, CountRegisteredAppRoot());
   EXPECT_TRUE(IsAppRegistered(kAppID));
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system