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

chrome/browser/sync_file_system/drive_backend/metadata_database_unittest.cc

Index: chrome/browser/sync_file_system/drive_backend/metadata_database_unittest.cc
diff --git a/chrome/browser/sync_file_system/drive_backend/metadata_database_unittest.cc b/chrome/browser/sync_file_system/drive_backend/metadata_database_unittest.cc
index e0ea089755d21de1972c5c3fb239c088afbcdf80..53e4712478156942a4c594add8db3d61478d3f41 100644
--- a/chrome/browser/sync_file_system/drive_backend/metadata_database_unittest.cc
+++ b/chrome/browser/sync_file_system/drive_backend/metadata_database_unittest.cc
@@ -28,6 +28,7 @@
 #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"
@@ -271,17 +272,16 @@ class MetadataDatabaseTest : public testing::TestWithParam<bool> {
   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());