code: function() {
          var me = this, req, status;
          me.javascriptId = Ext.data.flash.BinaryXhr.registerConnection(me);
          
          // Create the request object we're sending to flash
          req = {
              method: me.method, // ignored since we always POST binary data
              url: me.url,
              user: me.user,
              password: me.password,
              mimeType: me.mimeType,
              requestHeaders: me.requestHeaders,
              body: me.body,
              javascriptId: me.javascriptId
          };
          status = Ext.data.flash.BinaryXhr.flashPlugin.postBinary(req);
      }
docs: Called by send, or once flash is loaded, to actually send the bytes.
  @private