ReplaceStringPlaceholders  686 base/strings/string_util.cc string16 ReplaceStringPlaceholders(const string16& format_string,
ReplaceStringPlaceholders  692 base/strings/string_util.cc std::string ReplaceStringPlaceholders(const base::StringPiece& format_string,
ReplaceStringPlaceholders  698 base/strings/string_util.cc string16 ReplaceStringPlaceholders(const string16& format_string,