61   std::string query_string = url->substr(query_pos);  in TrimOffQueryString()  local
63   return query_string;  in TrimOffQueryString()
74     std::string query_string = TrimOffQueryString(&result);  in CombineMultiple()  local
84     result += query_string;  in CombineMultiple()
90   std::string query_string;  in GetQueryString()  local
93     query_string = url.substr(query_pos, query_len);  in GetQueryString()
95   return query_string;  in GetQueryString()
101   std::string query_string = GetQueryString(url, true);  in GetQueryStringParameters()  local
102   if (!query_string.empty() && query_string.front() == '?')  in GetQueryStringParameters()
103     query_string.erase(query_string.begin());  in GetQueryStringParameters()
104   return data_encoding::WebParamsDecode(query_string);  in GetQueryStringParameters()