Revert 256688 "Fix various issues in RedirectToFileResourceHandler."

trunk/src/content/browser/loader/temporary_file_stream.h

-// 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.
-
-#ifndef CONTENT_BROWSER_LOADER_TEMPORARY_FILE_STREAM_H_
-#define CONTENT_BROWSER_LOADER_TEMPORARY_FILE_STREAM_H_
-
-#include "base/callback_forward.h"
-#include "base/files/file.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/platform_file.h"
-#include "content/common/content_export.h"
-
-namespace net {
-class FileStream;
-}
-
-namespace webkit_blob {
-class ShareableFileReference;
-}
-
-namespace content {
-
-typedef base::Callback<void(base::File::Error,
-                            scoped_ptr<net::FileStream>,
-                            webkit_blob::ShareableFileReference*)>
-    CreateTemporaryFileStreamCallback;
-
-// Creates a temporary file and asynchronously calls |callback| with a
-// net::FileStream and webkit_blob::ShareableFileReference. The file is deleted
-// when the webkit_blob::ShareableFileReference is deleted. Note it is the
-// consumer's responsibility to ensure the webkit_blob::ShareableFileReference
-// stays in scope until net::FileStream has finished closing the file. On error,
-// |callback| is called with an error in the first parameter.
-//
-// This function may only be called on the IO thread.
-//
-// TODO(davidben): Juggling the net::FileStream and
-// webkit_blob::ShareableFileReference lifetimes is a nuisance. The two should
-// be tied together so the consumer need not deal with it.
-CONTENT_EXPORT void CreateTemporaryFileStream(
-    const CreateTemporaryFileStreamCallback& callback);
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_LOADER_TEMPORARY_FILE_STREAM_H_