third_party/WebKit/LayoutTests/http/tests/serviceworker/resources/request-end-to-end-worker.js

   1 onfetch = function(e) {
   2   var headers = {};
   3   for (var header of e.request.headers) {
   4     var key = header[0], value = header[1];
   5     headers[key] = value;
   6   }
   7   var append_header_error = '';
   8   try {
   9     e.request.headers.append('Test-Header', 'TestValue');
  10   } catch (error) {
  11     append_header_error = error.name;
  12   }
  13
  14   e.respondWith(new Response(JSON.stringify({
  15     url: e.request.url,
  16     method: e.request.method,
  17     referrer: e.request.referrer,
  18     headers: headers,
  19     mode: e.request.mode,
  20     credentials: e.request.credentials,
  21     redirect: e.request.redirect,
  22     append_header_error: append_header_error
  23   })));
  24 };