Add FLAG_CAN_DELETE_ON_CLOSE and DeleteOnClose for use on Windows.

base/files/file_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/files/file.h"
 
 #include <io.h>
 #include <stdint.h>
 
 #include "base/logging.h"
@@ skipping 255 matching lines @@
                          DUPLICATE_SAME_ACCESS)) {
     return File(OSErrorToFileError(GetLastError()));
   }
 
   File other(other_handle);
   if (async())
     other.async_ = true;
   return other;
 }
 
+bool File::DeleteOnClose(bool delete_on_close) {
+  FILE_DISPOSITION_INFO disposition = {delete_on_close ? TRUE : FALSE};
+  return ::SetFileInformationByHandle(GetPlatformFile(), FileDispositionInfo,
+                                      &disposition, sizeof(disposition)) != 0;
+}
+
 // Static.
 File::Error File::OSErrorToFileError(DWORD last_error) {
   switch (last_error) {
     case ERROR_SHARING_VIOLATION:
       return FILE_ERROR_IN_USE;
     case ERROR_FILE_EXISTS:
       return FILE_ERROR_EXISTS;
     case ERROR_FILE_NOT_FOUND:
     case ERROR_PATH_NOT_FOUND:
       return FILE_ERROR_NOT_FOUND;
@@ skipping 66 matching lines @@
   if (flags & FLAG_APPEND) {
     DCHECK(!access);
     access = FILE_APPEND_DATA;
   }
   if (flags & FLAG_READ)
     access |= GENERIC_READ;
   if (flags & FLAG_WRITE_ATTRIBUTES)
     access |= FILE_WRITE_ATTRIBUTES;
   if (flags & FLAG_EXECUTE)
     access |= GENERIC_EXECUTE;
+  if (flags & FLAG_CAN_DELETE_ON_CLOSE)
+    access |= DELETE;
 
   DWORD sharing = (flags & FLAG_EXCLUSIVE_READ) ? 0 : FILE_SHARE_READ;
   if (!(flags & FLAG_EXCLUSIVE_WRITE))
     sharing |= FILE_SHARE_WRITE;
   if (flags & FLAG_SHARE_DELETE)
     sharing |= FILE_SHARE_DELETE;
 
   DWORD create_flags = 0;
   if (flags & FLAG_ASYNC)
     create_flags |= FILE_FLAG_OVERLAPPED;
@@ skipping 29 matching lines @@
   DCHECK(IsValid());
   SCOPED_FILE_TRACE("Flush");
   return ::FlushFileBuffers(file_.Get()) != FALSE;
 }
 
 void File::SetPlatformFile(PlatformFile file) {
   file_.Set(file);
 }
 
 }  // namespace base