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

chrome/browser/sync_file_system/drive_backend/metadata_database_index_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 "chrome/browser/sync_file_system/drive_backend/metadata_database_index.h"
 
 #include <stdint.h>
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/sync_file_system/drive_backend/drive_backend_constants.h"
 #include "chrome/browser/sync_file_system/drive_backend/drive_backend_test_util.h"
 #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 "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 = 1;
@@ skipping 46 matching lines @@
 
     contents_ = CreateTestDatabaseContents();
     index_ = MetadataDatabaseIndex::CreateForTesting(contents_.get(),
                                                      db_.get());
   }
 
   MetadataDatabaseIndex* index() { return index_.get(); }
 
  private:
   void 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, "", &db);
+    leveldb::Status status = leveldb_env::OpenDB(options, "", &db);
     ASSERT_TRUE(status.ok());
 
-    db_.reset(new LevelDBWrapper(base::WrapUnique(db)));
+    db_.reset(new LevelDBWrapper(std::move(db)));
   }
 
   std::unique_ptr<DatabaseContents> contents_;
   std::unique_ptr<MetadataDatabaseIndex> index_;
 
   std::unique_ptr<leveldb::Env> in_memory_env_;
   std::unique_ptr<LevelDBWrapper> db_;
 };
 
 TEST_F(MetadataDatabaseIndexTest, GetEntryTest) {
@@ skipping 55 matching lines @@
 
   index()->RemoveFileMetadata("file_id");
   index()->RemoveFileTracker(kFileTrackerID);
 
   EXPECT_FALSE(index()->GetFileMetadata("file_id", nullptr));
   EXPECT_FALSE(index()->GetFileTracker(kFileTrackerID, nullptr));
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system