Make DeleteFile succeed on Windows 7 even if the path contains a nonexistent directory

base/file_util_win.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/file_util.h"
 
 #include <windows.h>
 #include <psapi.h>
 #include <shellapi.h>
 #include <shlobj.h>
@@ skipping 76 matching lines @@
 
   // Since we're passing flags to the operation telling it to be silent,
   // it's possible for the operation to be aborted/cancelled without err
   // being set (although MSDN doesn't give any scenarios for how this can
   // happen).  See MSDN for SHFileOperation and SHFILEOPTSTRUCT.
   if (file_operation.fAnyOperationsAborted)
     return false;
 
   // Some versions of Windows return ERROR_FILE_NOT_FOUND (0x2) when deleting
   // an empty directory and some return 0x402 when they should be returning
-  // ERROR_FILE_NOT_FOUND. MSDN says Vista and up won't return 0x402.
-  return (err == 0 || err == ERROR_FILE_NOT_FOUND || err == 0x402);
+  // ERROR_FILE_NOT_FOUND. MSDN says Vista and up won't return 0x402.  Windows 7
+  // can return DE_INVALIDFILES (0x7C) for nonexistent directories.
+  return (err == 0 || err == ERROR_FILE_NOT_FOUND || err == 0x402 ||
+          err == 0x7C);
 }
 
 bool DeleteFileAfterReboot(const FilePath& path) {
   ThreadRestrictions::AssertIOAllowed();
 
   if (path.value().length() >= MAX_PATH)
     return false;
 
   return MoveFileEx(path.value().c_str(), NULL,
                     MOVEFILE_DELAY_UNTIL_REBOOT |
@@ skipping 676 matching lines @@
     // Like Move, this function is not transactional, so we just
     // leave the copied bits behind if deleting from_path fails.
     // If to_path exists previously then we have already overwritten
     // it by now, we don't get better off by deleting the new bits.
   }
   return false;
 }
 
 }  // namespace internal
 }  // namespace base