ToLowerCase      1149 chrome/browser/extensions/api/web_request/web_request_api_helpers.cc       if (removed_headers.find(ToLowerCase(*i)) != removed_headers.end()) {
ToLowerCase      1164 chrome/browser/extensions/api/web_request/web_request_api_helpers.cc           removed_headers.insert(ToLowerCase(*i));
ToLowerCase      1172 chrome/browser/extensions/api/web_request/web_request_api_helpers.cc           ResponseHeader lowercase_header(ToLowerCase(*i));