Adds imageWriterPrivate support for Windows

chrome/browser/extensions/api/image_writer_private/operation_nonchromeos.cc

+// Copyright 2013 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.
+
+#include "base/file_util.h"
+#include "base/files/file_enumerator.h"
+#include "base/threading/worker_pool.h"
+#include "chrome/browser/extensions/api/image_writer_private/error_messages.h"
+#include "chrome/browser/extensions/api/image_writer_private/operation.h"
+#include "chrome/browser/extensions/api/image_writer_private/operation_manager.h"
+#include "content/public/browser/browser_thread.h"
+
+namespace extensions {
+namespace image_writer {
+
+using content::BrowserThread;
+
+void Operation::Write(const base::Closure& continuation) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
+  if (IsCancelled()) {
+    return;
+  }
+
+  SetStage(image_writer_api::STAGE_WRITE);
+  StartUtilityClient();
+
+  int64 file_size;
+  if (!base::GetFileSize(image_path_, &file_size)) {
+    Error(error::kImageReadError);
+    return;
+  }
+
+  BrowserThread::PostTask(
+      BrowserThread::IO,
+      FROM_HERE,
+      base::Bind(
+          &ImageWriterUtilityClient::Write,
+          image_writer_client_,
+          base::Bind(&Operation::WriteImageProgress, this, file_size),
+          base::Bind(&Operation::CompleteAndContinue, this, continuation),
+          base::Bind(&Operation::Error, this),
+          image_path_,
+          device_path_));
+}
+
+void Operation::VerifyWrite(const base::Closure& continuation) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
+
+  if (IsCancelled()) {
+    return;
+  }
+
+  SetStage(image_writer_api::STAGE_VERIFYWRITE);
+  StartUtilityClient();
+
+  int64 file_size;
+  if (!base::GetFileSize(image_path_, &file_size)) {
+    Error(error::kImageReadError);
+    return;
+  }
+
+  BrowserThread::PostTask(
+      BrowserThread::IO,
+      FROM_HERE,
+      base::Bind(
+          &ImageWriterUtilityClient::Verify,
+          image_writer_client_,
+          base::Bind(&Operation::WriteImageProgress, this, file_size),
+          base::Bind(&Operation::CompleteAndContinue, this, continuation),
+          base::Bind(&Operation::Error, this),
+          image_path_,
+          device_path_));
+}
+
+}  // namespace image_writer
+}  // namespace extensions