void ZeroSuggestProvider::DeleteMatch(const AutocompleteMatch& match) {
  if (OmniboxFieldTrial::InZeroSuggestPersonalizedFieldTrial()) {
    client()->GetPrefs()->SetString(omnibox::kZeroSuggestCachedResults,
                                    std::string());
  }
  BaseSearchProvider::DeleteMatch(match);
}

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