Revert 233460 "Prefer opening PDF downloads in the browser."

trunk/src/chrome/browser/download/download_target_info.h

-// 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.
-
-#ifndef CHROME_BROWSER_DOWNLOAD_DOWNLOAD_TARGET_INFO_H_
-#define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_TARGET_INFO_H_
-
-#include "base/files/file_path.h"
-#include "content/public/browser/download_danger_type.h"
-#include "content/public/browser/download_item.h"
-
-struct DownloadTargetInfo {
-  DownloadTargetInfo();
-  ~DownloadTargetInfo();
-
-  // Final full target path of the download. Must be non-empty for the remaining
-  // fields to be considered valid. The path is a local file system path. Any
-  // existing file at this path should be overwritten.
-  base::FilePath target_path;
-
-  // Disposition. This will be TARGET_DISPOSITION_PROMPT if the user was
-  // prompted during the process of determining the download target. Otherwise
-  // it will be TARGET_DISPOSITION_OVERWRITE.
-  content::DownloadItem::TargetDisposition target_disposition;
-
-  // Danger type of the download.
-  content::DownloadDangerType danger_type;
-
-  // Suggested intermediate path. The downloaded bytes should be written to this
-  // path until all the bytes are available and the user has accepted a
-  // dangerous download. At that point, the download can be renamed to
-  // |target_path|.
-  base::FilePath intermediate_path;
-
-  // MIME type based on the file type of the download. This may be different
-  // from DownloadItem::GetMimeType() since the latter is based on the server
-  // response, and this one is based on the filename.
-  std::string mime_type;
-
-  // Whether the |target_path| would be handled safely by the browser if it were
-  // to be opened with a file:// URL. This can be used later to decide how file
-  // opens should be handled. The file is considered to be handled safely if the
-  // filetype is supported by the renderer or a sandboxed plug-in.
-  bool is_filetype_handled_securely;
-};
-
-#endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_TARGET_INFO_H_