code: function _onNodesRemoved(nodes) {
          var i;
          //iterate on removed nodes
          for (i = 0; i < nodes.length; i++) {
  
              // check for external JS files
              if (Utils.isExternalScript(nodes[i])) {
                  _transport.send(JSON.stringify({
                      method: 'ScriptRemoved',
                      src: nodes[i].src
                  }));
              }
              //check for external StyleSheets
              if (Utils.isExternalStylesheet(nodes[i])) {
                  CSS.notifyStylesheetRemoved(nodes[i].href);
              }
          }
      }
docs: /* process related docs removed