Move some file api files to fileapi folder

storage/browser/blob/local_file_stream_reader.h

-// Copyright (c) 2012 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 STORAGE_BROWSER_BLOB_LOCAL_FILE_STREAM_READER_H_
-#define STORAGE_BROWSER_BLOB_LOCAL_FILE_STREAM_READER_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/files/file.h"
-#include "base/files/file_path.h"
-#include "base/memory/weak_ptr.h"
-#include "base/time/time.h"
-#include "storage/browser/blob/file_stream_reader.h"
-#include "storage/browser/storage_browser_export.h"
-
-namespace base {
-class TaskRunner;
-}
-
-namespace content {
-class LocalFileStreamReaderTest;
-}
-
-namespace net {
-class FileStream;
-}
-
-namespace storage {
-
-// A thin wrapper of net::FileStream with range support for sliced file
-// handling.
-class STORAGE_EXPORT LocalFileStreamReader
-    : public NON_EXPORTED_BASE(FileStreamReader) {
- public:
-  ~LocalFileStreamReader() override;
-
-  // FileStreamReader overrides.
-  int Read(net::IOBuffer* buf,
-           int buf_len,
-           const net::CompletionCallback& callback) override;
-  int64 GetLength(const net::Int64CompletionCallback& callback) override;
-
- private:
-  friend class FileStreamReader;
-  friend class content::LocalFileStreamReaderTest;
-
-  LocalFileStreamReader(base::TaskRunner* task_runner,
-                        const base::FilePath& file_path,
-                        int64 initial_offset,
-                        const base::Time& expected_modification_time);
-  int Open(const net::CompletionCallback& callback);
-
-  // Callbacks that are chained from Open for Read.
-  void DidVerifyForOpen(const net::CompletionCallback& callback,
-                        int64 get_length_result);
-  void DidOpenFileStream(const net::CompletionCallback& callback,
-                         int result);
-  void DidSeekFileStream(const net::CompletionCallback& callback,
-                         int64 seek_result);
-  void DidOpenForRead(net::IOBuffer* buf,
-                      int buf_len,
-                      const net::CompletionCallback& callback,
-                      int open_result);
-
-  void DidGetFileInfoForGetLength(const net::Int64CompletionCallback& callback,
-                                  base::File::Error error,
-                                  const base::File::Info& file_info);
-
-  scoped_refptr<base::TaskRunner> task_runner_;
-  scoped_ptr<net::FileStream> stream_impl_;
-  const base::FilePath file_path_;
-  const int64 initial_offset_;
-  const base::Time expected_modification_time_;
-  bool has_pending_open_;
-  base::WeakPtrFactory<LocalFileStreamReader> weak_factory_;
-};
-
-}  // namespace storage
-
-#endif  // STORAGE_BROWSER_BLOB_LOCAL_FILE_STREAM_READER_H_