[Downloads] Consolidate MOTW annotation APIs into a single API.

content/browser/safe_util_win.h

-// 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.
-
-#ifndef CONTENT_BROWSER_SAFE_UTIL_WIN_H_
-#define CONTENT_BROWSER_SAFE_UTIL_WIN_H_
-
-#include <string>
-#include <windows.h>
-
-class GURL;
-
-namespace base {
-class FilePath;
-}
-
-namespace content {
-
-// Invokes IAttachmentExecute::Save to validate the downloaded file. The call
-// may scan the file for viruses and if necessary, annotate it with evidence. As
-// a result of the validation, the file may be deleted.  See:
-// http://msdn.microsoft.com/en-us/bb776299
-//
-// If Attachment Execution Services is unavailable, then this function will
-// attempt to manually annotate the file with security zone information. A
-// failure code will be returned in this case even if the file is successfully
-// annotated.
-//
-// IAE::Save() will delete the file if it was found to be blocked by local
-// security policy or if it was found to be infected. The call may also delete
-// the file due to other failures (http://crbug.com/153212). A failure code will
-// be returned in these cases.
-//
-// Typical return values:
-//   S_OK   : The file was okay. If any viruses were found, they were cleaned.
-//   E_FAIL : Virus infected.
-//   INET_E_SECURITY_PROBLEM : The file was blocked due to security policy.
-//
-// Any other return value indicates an unexpected error during the scan.
-//
-// |full_path| : is the path to the downloaded file. This should be the final
-//               path of the download. Must be present.
-// |source_url|: the source URL for the download. If empty, the source will
-//               not be set.
-// |client_guid|: the GUID to be set in the IAttachmentExecute client slot.
-//                Used to identify the app to the system AV function.
-//                If GUID_NULL is passed, no client GUID is set.
-HRESULT AVScanFile(const base::FilePath& full_path,
-                   const std::string& source_url,
-                   const GUID& client_guid);
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_SAFE_UTIL_WIN_H_