Adds imageWriterPrivate support for Windows

chrome/browser/image_writer/image_writer.cc

+// 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.
+
+#include "base/bind.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/image_writer/image_writer.h"
+#include "chrome/common/chrome_utility_messages.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/utility_process_host.h"
+
+using content::BrowserThread;
+using content::UtilityProcessHost;
+
+ImageWriter::ImageWriter(Delegate* delegate,
+                         const base::FilePath& source,
+                         const base::FilePath& target)
+    : delegate_(delegate),
+      source_(source),
+      target_(target) {
+}
+
+ImageWriter::~ImageWriter() {}
+
+void ImageWriter::Start(scoped_refptr<base::SequencedTaskRunner> task_runner) {
+  task_runner_ = task_runner;
+  BrowserThread::PostTask(
+     BrowserThread::IO,
+     FROM_HERE,
+     base::Bind(&ImageWriter::StartWriteInUtilityProcess, this));
+}
+
+bool ImageWriter::OnMessageReceived(const IPC::Message& message) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(ImageWriter, message)
+    IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_ImageWriter_Succeeded,
+                        OnWriteImageSucceeded)
+    IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_ImageWriter_Failed,
+                        OnWriteImageFailed)
+    IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_ImageWriter_Progress,
+                        OnWriteImageProgress)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
+void ImageWriter::OnWriteImageSucceeded() {
+  if (delegate_)
+    delegate_->OnWriteImageSucceeded();
+}
+
+void ImageWriter::OnWriteImageFailed(const std::string& message) {
+  if (delegate_)
+    delegate_->OnWriteImageFailed(message);
+}
+
+void ImageWriter::OnWriteImageProgress(int progress) {
+  if (delegate_)
+    delegate_->OnWriteImageProgress(progress);
+}
+
+void ImageWriter::StartWriteInUtilityProcess() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+
+  DVLOG(0) << "Sending image write request.";
+
+  UtilityProcessHost* utility_process_host;
+  utility_process_host = UtilityProcessHost::Create(this, task_runner_.get());
+  utility_process_host->DisableSandbox();
+  if (!utility_process_host->Send(
+      new ChromeUtilityMsg_ImageWriter_Write(source_, target_))) {
+    DLOG(ERROR) << "Unable to send Write message to Utility Process.";
+  }
+}