Rename webkit_blob::FileReader to FileStreamReader.

webkit/fileapi/file_system_file_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 WEBKIT_FILEAPI_FILE_SYSTEM_FILE_READER_H_
-#define WEBKIT_FILEAPI_FILE_SYSTEM_FILE_READER_H_
-#pragma once
-
-#include "base/bind.h"
-#include "base/memory/ref_counted.h"
-#include "base/platform_file.h"
-#include "googleurl/src/gurl.h"
-#include "webkit/blob/file_reader.h"
-
-class FilePath;
-
-namespace base {
-class SequencedTaskRunner;
-}
-
-namespace webkit_blob {
-class LocalFileReader;
-class ShareableFileReference;
-}
-
-namespace fileapi {
-
-class FileSystemContext;
-
-// TODO(kinaba,satorux): This generic implementation would work for any
-// filesystems but remote filesystem should implement its own reader
-// rather than relying on FileSystemOperation::GetSnapshotFile() which
-// may force downloading the entire contents for remote files.
-class FileSystemFileReader : public webkit_blob::FileReader {
- public:
-  // Creates a new FileReader for a filesystem URL |url| form |initial_offset|.
-  FileSystemFileReader(FileSystemContext* file_system_context,
-                       const GURL& url,
-                       int64 initial_offset);
-  virtual ~FileSystemFileReader();
-
-  // FileReader override.
-  virtual int Read(net::IOBuffer* buf, int buf_len,
-                   const net::CompletionCallback& callback) OVERRIDE;
-
- private:
-  void DidCreateSnapshot(
-      const base::Closure& read_closure,
-      const net::CompletionCallback& callback,
-      base::PlatformFileError file_error,
-      const base::PlatformFileInfo& file_info,
-      const FilePath& platform_path,
-      const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref);
-
-  scoped_refptr<FileSystemContext> file_system_context_;
-  const GURL url_;
-  const int64 initial_offset_;
-  scoped_ptr<webkit_blob::LocalFileReader> local_file_reader_;
-  scoped_refptr<webkit_blob::ShareableFileReference> snapshot_ref_;
-  bool has_pending_create_snapshot_;
-  base::WeakPtrFactory<FileSystemFileReader> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(FileSystemFileReader);
-};
-
-}  // namespace fileapi
-
-#endif  // WEBKIT_FILEAPI_FILE_SYSTEM_FILE_READER_H_