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components/filesystem/shared_impl.h

Index: components/filesystem/shared_impl.h
diff --git a/components/filesystem/shared_impl.h b/components/filesystem/shared_impl.h
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+// Copyright 2015 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.
+
+// Shared implementation of things common between |DirectoryImpl| and
+// |FileImpl|.
+
+#ifndef SERVICES_FILES_SHARED_IMPL_H_
+#define SERVICES_FILES_SHARED_IMPL_H_
+
+#include "components/filesystem/public/interfaces/types.mojom.h"
+#include "mojo/public/cpp/bindings/callback.h"
+
+namespace mojo {
+namespace files {
+
+// Stats the given FD (which must be valid), calling |callback| appropriately.
+// The type in the |FileInformation| given to the callback will be assigned from
+// |type|.
+using StatFDCallback = Callback<void(Error, FileInformationPtr)>;
+void StatFD(int fd, FileType type, const StatFDCallback& callback);
+
+// Touches the given FD (which must be valid), calling |callback| appropriately.
+using TouchFDCallback = Callback<void(Error)>;
+void TouchFD(int fd,
+             TimespecOrNowPtr atime,
+             TimespecOrNowPtr mtime,
+             const TouchFDCallback& callback);
+
+}  // namespace files
+}  // namespace mojo
+
+#endif  // SERVICES_FILES_SHARED_IMPL_H_