Adds imageWriterPrivate support for Windows

chrome/utility/image_writer/image_writer_handler.h

Index: chrome/utility/image_writer/image_writer_handler.h
diff --git a/chrome/utility/image_writer/image_writer_handler.h b/chrome/utility/image_writer/image_writer_handler.h
new file mode 100644
index 0000000000000000000000000000000000000000..2441e2f57845702302476948cf56df92ce9c238a
--- /dev/null
+++ b/chrome/utility/image_writer/image_writer_handler.h
@@ -0,0 +1,47 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this image code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_UTILITY_IMAGE_WRITER_IMAGE_WRITER_HANDLER_H_
+#define CHROME_UTILITY_IMAGE_WRITER_IMAGE_WRITER_HANDLER_H_
+
+#include "base/files/file_path.h"
+#include "base/memory/weak_ptr.h"
+#include "chrome/utility/utility_message_handler.h"
+#include "ipc/ipc_message.h"
+
+namespace chrome {
+namespace image_writer {
+
+class ImageWriter;
+
+// A handler for messages related to writing images.  This class is added as a
+// handler in |chrome::ChromeContentUtilityClient.
+class ImageWriterHandler : public UtilityMessageHandler {
+ public:
+  ImageWriterHandler();
+  virtual ~ImageWriterHandler();
+
+  // Methods for sending the different messages back to the browser process.
+  // Generally should be called by chrome::image_writer::ImageWriter.
+  virtual void SendSucceeded();
+  virtual void SendCancelled();
+  virtual void SendFailed(const std::string& message);
+  virtual void SendProgress(int64 progress);
+
+ private:
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+
+  void Send(IPC::Message* msg);
+  void OnWriteStart(const base::FilePath& image, const base::FilePath& device);
+  void OnVerifyStart(const base::FilePath& image, const base::FilePath& device);
+  void OnCancel();
+
+  scoped_refptr<ImageWriter> image_writer_;
+  base::WeakPtrFactory<ImageWriterHandler> weak_factory_;
+};
+
+}  // namespace image_writer
+}  // namespace chrome
+
+#endif  // CHROME_UTILITY_IMAGE_WRITER_IMAGE_WRITER_HANDLER_H_