anchor.diff:      }
   
       // Find out if we want a secure socket.
  -    bool secure = (url.scheme == "https");
  +    bool is_secure = (url.scheme == "https");
   
       // Find the TCP host and port.
       String host = url.domain;
       int port = url.port;
       if (port == 0) {
  -      port = secure ?
  +      port = is_secure ?
             HttpClient.DEFAULT_HTTPS_PORT :
             HttpClient.DEFAULT_HTTP_PORT;
       }
  
positive.code:                          proxyConfiguration,
                           0,
                           reusedConnection,
                           secure);
  
      return connection;
    }
  
negative.code:           if (proxyIndex < proxyConfiguration.proxies.length) {
              // Try the next proxy in the list.
              _establishConnection(
                  host, port, proxyConfiguration, proxyIndex, false, secure);
            } else {
              // Report the error through the HttpClientConnection object to
              // the client.
  