[Fetch][WIP] Support blob:, about:, and data: URLs.

LayoutTests/http/tests/fetch/serviceworker/thorough/scheme-blob.html

Index: LayoutTests/http/tests/fetch/serviceworker/thorough/scheme-blob.html
diff --git a/LayoutTests/http/tests/fetch/serviceworker/thorough/cookie.html b/LayoutTests/http/tests/fetch/serviceworker/thorough/scheme-blob.html
similarity index 90%
copy from LayoutTests/http/tests/fetch/serviceworker/thorough/cookie.html
copy to LayoutTests/http/tests/fetch/serviceworker/thorough/scheme-blob.html
index c975cd83af0827dd77bd1998ce2d2a15cda4c3c2..7283d729cef5de78d235dafad881774251068ec5 100644
--- a/LayoutTests/http/tests/fetch/serviceworker/thorough/cookie.html
+++ b/LayoutTests/http/tests/fetch/serviceworker/thorough/scheme-blob.html
@@ -11,8 +11,8 @@
 var host_info = get_host_info();
 function start(t) {
   service_worker_test(
-    '/fetch/script-tests/thorough/cookie.js?',
-    'cookie');
+    '/fetch/script-tests/thorough/scheme-blob.js?',
+    'scheme-blob');
   t.done();
 }
 function init(test) {