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

storage/browser/fileapi/sandbox_directory_database.cc

Index: storage/browser/fileapi/sandbox_directory_database.cc
diff --git a/storage/browser/fileapi/sandbox_directory_database.cc b/storage/browser/fileapi/sandbox_directory_database.cc
index 91c4914c7f22d22063e00f32fd909a6d4e3a21b3..32844fc1adc9a56291fd3935f9e6aa3245ad2340 100644
--- a/storage/browser/fileapi/sandbox_directory_database.cc
+++ b/storage/browser/fileapi/sandbox_directory_database.cc
@@ -746,11 +746,9 @@ bool SandboxDirectoryDatabase::Init(RecoveryOption recovery_option) {
   options.reuse_logs = leveldb_env::kDefaultLogReuseOptionValue;
   if (env_override_)
     options.env = env_override_;
-  leveldb::DB* db;
-  leveldb::Status status = leveldb::DB::Open(options, path, &db);
+  leveldb::Status status = leveldb_env::OpenDB(options, path, &db_);
   ReportInitStatus(status);
   if (status.ok()) {
-    db_.reset(db);
     return true;
   }
   HandleError(FROM_HERE, status);