Include errno.h

components/leveldb/env_mojo.cc

 // Copyright 2016 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 "components/leveldb/env_mojo.h"
 
+#include <errno.h>
+
 #include "base/trace_event/trace_event.h"
 #include "third_party/leveldatabase/chromium_logger.h"
 #include "third_party/leveldatabase/src/include/leveldb/status.h"
 
 namespace leveldb {
 
 namespace {
 
 const base::FilePath::CharType table_extension[] = FILE_PATH_LITERAL(".ldb");
 
@@ skipping 355 matching lines @@
     *result = NULL;
     return MakeIOError(fname, "Unable to create log file",
                        leveldb_env::kNewLogger, f->error_details());
   } else {
     *result = new leveldb::ChromiumLogger(f.release());
     return Status::OK();
   }
 }
 
 }  // namespace leveldb