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

trunk/src/chrome/utility/image_writer/image_writer_handler.cc

Index: trunk/src/chrome/utility/image_writer/image_writer_handler.cc
===================================================================
--- trunk/src/chrome/utility/image_writer/image_writer_handler.cc	(revision 252594)
+++ trunk/src/chrome/utility/image_writer/image_writer_handler.cc	(working copy)
@@ -1,151 +0,0 @@
-// 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.
-
-#include "base/files/file_path.h"
-#include "chrome/common/chrome_utility_messages.h"
-#include "chrome/utility/image_writer/error_messages.h"
-#include "chrome/utility/image_writer/image_writer_handler.h"
-#include "content/public/utility/utility_thread.h"
-
-#if defined(OS_WIN)
-#include <windows.h>
-#include <setupapi.h>
-#include <winioctl.h>
-#endif
-
-namespace image_writer {
-
-#if defined(OS_WIN)
-const size_t kStorageQueryBufferSize = 1024;
-#endif
-
-ImageWriterHandler::ImageWriterHandler() : image_writer_(this) {}
-ImageWriterHandler::~ImageWriterHandler() {}
-
-void ImageWriterHandler::SendSucceeded() {
-  Send(new ChromeUtilityHostMsg_ImageWriter_Succeeded());
-  content::UtilityThread::Get()->ReleaseProcessIfNeeded();
-}
-
-void ImageWriterHandler::SendCancelled() {
-  Send(new ChromeUtilityHostMsg_ImageWriter_Cancelled());
-  content::UtilityThread::Get()->ReleaseProcessIfNeeded();
-}
-
-void ImageWriterHandler::SendFailed(const std::string& message) {
-  Send(new ChromeUtilityHostMsg_ImageWriter_Failed(message));
-  content::UtilityThread::Get()->ReleaseProcessIfNeeded();
-}
-
-void ImageWriterHandler::SendProgress(int64 progress) {
-  Send(new ChromeUtilityHostMsg_ImageWriter_Progress(progress));
-}
-
-void ImageWriterHandler::Send(IPC::Message* msg) {
-  content::UtilityThread::Get()->Send(msg);
-}
-
-bool ImageWriterHandler::OnMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(ImageWriterHandler, message)
-  IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ImageWriter_Write, OnWriteStart)
-  IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ImageWriter_Verify, OnVerifyStart)
-  IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ImageWriter_Cancel, OnCancel)
-  IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void ImageWriterHandler::OnWriteStart(const base::FilePath& image,
-                                      const base::FilePath& device) {
-  if (!IsValidDevice(device)) {
-    Send(new ChromeUtilityHostMsg_ImageWriter_Failed(error::kInvalidDevice));
-    return;
-  }
-
-  if (image_writer_.IsRunning()) {
-    Send(new ChromeUtilityHostMsg_ImageWriter_Failed(
-        error::kOperationAlreadyInProgress));
-    return;
-  }
-  image_writer_.Write(image, device);
-}
-
-void ImageWriterHandler::OnVerifyStart(const base::FilePath& image,
-                                       const base::FilePath& device) {
-  if (!IsValidDevice(device)) {
-    Send(new ChromeUtilityHostMsg_ImageWriter_Failed(error::kInvalidDevice));
-    return;
-  }
-
-  if (image_writer_.IsRunning()) {
-    Send(new ChromeUtilityHostMsg_ImageWriter_Failed(
-        error::kOperationAlreadyInProgress));
-    return;
-  }
-  image_writer_.Verify(image, device);
-}
-
-void ImageWriterHandler::OnCancel() {
-  if (image_writer_.IsRunning()) {
-    image_writer_.Cancel();
-  } else {
-    SendCancelled();
-  }
-}
-
-bool ImageWriterHandler::IsValidDevice(const base::FilePath& device) {
-#if defined(OS_WIN)
-  base::win::ScopedHandle device_handle(
-      CreateFile(device.value().c_str(),
-                 // Desired access, which is none as we only need metadata.
-                 0,
-                 // Required to be read + write for devices.
-                 FILE_SHARE_READ | FILE_SHARE_WRITE,
-                 NULL,           // Optional security attributes.
-                 OPEN_EXISTING,  // Devices already exist.
-                 0,              // No optional flags.
-                 NULL));         // No template file.
-
-  if (!device_handle) {
-    PLOG(ERROR) << "Opening device handle failed.";
-    return false;
-  }
-
-  STORAGE_PROPERTY_QUERY query = STORAGE_PROPERTY_QUERY();
-  query.PropertyId = StorageDeviceProperty;
-  query.QueryType = PropertyStandardQuery;
-  DWORD bytes_returned;
-
-  scoped_ptr<char[]> output_buf(new char[kStorageQueryBufferSize]);
-  BOOL status = DeviceIoControl(
-      device_handle,                   // Device handle.
-      IOCTL_STORAGE_QUERY_PROPERTY,    // Flag to request device properties.
-      &query,                          // Query parameters.
-      sizeof(STORAGE_PROPERTY_QUERY),  // query parameters size.
-      output_buf.get(),                // output buffer.
-      kStorageQueryBufferSize,         // Size of buffer.
-      &bytes_returned,                 // Number of bytes returned.
-                                       // Must not be null.
-      NULL);                           // Optional unused overlapped perameter.
-
-  if (status == FALSE) {
-    PLOG(ERROR) << "Storage property query failed.";
-    return false;
-  }
-
-  STORAGE_DEVICE_DESCRIPTOR* device_descriptor =
-      reinterpret_cast<STORAGE_DEVICE_DESCRIPTOR*>(output_buf.get());
-
-  if (device_descriptor->RemovableMedia)
-    return true;
-
-#else
-  // Other platforms will have to be added as they are supported.
-  NOTIMPLEMENTED();
-#endif
-  return false;
-}
-
-}  // namespace image_writer