PVS-Studio warning V554 for Chromium

void AccessibleChecker::CheckAccessibleChildren(
    IAccessible* parent) {
  ...
  auto_ptr<VARIANT> child_array(new VARIANT[child_count]);
  ...
}

This suspicious code was found in Chromium project by PVS-Studio static code analyzer.
Warning message is:
V554 Incorrect use of auto_ptr. The memory allocated with 'new []' will be cleaned using 'delete'.  interactive_ui_tests  accessibility_win_browsertest.cc  306

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