Prefer opening PDF downloads in the browser.

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();
+
+  base::FilePath target_path;
+  content::DownloadItem::TargetDisposition target_disposition;
+  content::DownloadDangerType danger_type;
+  base::FilePath intermediate_path;

[Randy Smith (Not in Mondays), 2013/11/04 22:57:47]

nit: There should probably be a sentence comment explaining each of the above
variables for consistency.

[asanka, 2013/11/05 21:31:39]

Done.

+
+  // 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_