Revert 252466 "In order to support writing on windows we need to..."

trunk/src/chrome/utility/image_writer/image_writer.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 CHROME_UTILITY_IMAGE_WRITER_IMAGE_WRITER_H_
-#define CHROME_UTILITY_IMAGE_WRITER_IMAGE_WRITER_H_
-
-#include "base/bind.h"
-#include "base/callback.h"
-#include "base/files/file_path.h"
-#include "base/memory/weak_ptr.h"
-
-namespace image_writer {
-
-class ImageWriterHandler;
-
-// Manages a write within the utility thread.  This class holds all the state
-// around the writing and communicates with the ImageWriterHandler to dispatch
-// messages.
-class ImageWriter : public base::SupportsWeakPtr<ImageWriter> {
- public:
-  explicit ImageWriter(ImageWriterHandler* handler);
-  virtual ~ImageWriter();
-
-  // Starts a write from |image_path| to |device_path|.
-  void Write(const base::FilePath& image_path,
-             const base::FilePath& device_path);
-  // Starts verifying that |image_path| and |device_path| have the same size and
-  // contents.
-  void Verify(const base::FilePath& image_path,
-              const base::FilePath& device_path);
-  // Cancels any pending writes or verifications.
-  void Cancel();
-
-  // Returns whether an operation is in progress.
-  bool IsRunning() const;
-
- private:
-  // Convenience wrappers.
-  void PostTask(const base::Closure& task);
-  void PostProgress(int64 progress);
-  void Error(const std::string& message);
-
-  // Work loops.
-  void WriteChunk();
-  void VerifyChunk();
-
-  // Cleans up file handles.
-  void CleanUp();
-
-  base::FilePath image_path_;
-  base::FilePath device_path_;
-
-  base::PlatformFile image_file_;
-  base::PlatformFile device_file_;
-  int64 bytes_processed_;
-
-  ImageWriterHandler* handler_;
-};
-
-}  // namespace image_writer
-
-#endif  // CHROME_UTILITY_IMAGE_WRITER_IMAGE_WRITER_H_