[Fetch] Split layout tests

LayoutTests/http/tests/fetch/script-tests/fetch-access-control-redirect-loop.js

+if (self.importScripts) {
+  importScripts('../resources/fetch-test-helpers.js');
+  importScripts('/serviceworker/resources/fetch-access-control-util.js');
+}
+
+var TEST_TARGETS = [
+  // Redirect loop: same origin -> same origin
+  [REDIRECT_LOOP_URL + encodeURIComponent(BASE_URL) + '&Count=20&mode=cors',
+   [fetchResolved, hasContentLength, hasBody, typeBasic],
+   [methodIsGET, authCheck1]],
+  [REDIRECT_LOOP_URL + encodeURIComponent(BASE_URL) + '&Count=21&mode=cors',
+   [fetchRejected]],
+
+  // Redirect loop: same origin -> other origin
+  [REDIRECT_LOOP_URL + encodeURIComponent(OTHER_BASE_URL + '&ACAOrigin=*') +
+   '&Count=20&mode=cors&method=GET',
+   [fetchResolved, noContentLength, noServerHeader, hasBody, typeCors],
+   [methodIsGET, authCheckNone]],
+  // FIXME: due to the current implementation of Chromium,
+  // Count=21 is resolved, Count=22 is rejected.
+  // https://crbug.com/353768
+  [REDIRECT_LOOP_URL + encodeURIComponent(OTHER_BASE_URL + '&ACAOrigin=*') +
+   '&Count=22&mode=cors&method=GET',
+   [fetchRejected]],
+
+  // Redirect loop: other origin -> same origin
+  [OTHER_REDIRECT_LOOP_URL + encodeURIComponent(BASE_URL + 'ACAOrigin=*') +
+   '&Count=20&mode=cors&method=GET&ACAOrigin=*',
+   [fetchResolved, noContentLength, noServerHeader, hasBody, typeCors],
+   [methodIsGET, authCheckNone]],
+  [OTHER_REDIRECT_LOOP_URL + encodeURIComponent(BASE_URL + 'ACAOrigin=*') +
+   '&Count=21&mode=cors&method=GET&ACAOrigin=*',
+   [fetchRejected]],
+
+  // Redirect loop: other origin -> other origin
+  [OTHER_REDIRECT_LOOP_URL +
+   encodeURIComponent(OTHER_BASE_URL + 'ACAOrigin=*') +
+   '&Count=20&mode=cors&method=GET&ACAOrigin=*',
+   [fetchResolved, noContentLength, noServerHeader, hasBody, typeCors],
+   [methodIsGET, authCheckNone]],
+  [OTHER_REDIRECT_LOOP_URL +
+   encodeURIComponent(OTHER_BASE_URL + 'ACAOrigin=*') +
+   '&Count=21&mode=cors&method=GET&ACAOrigin=*',
+   [fetchRejected]],
+];
+
+if (self.importScripts) {
+  executeTests(TEST_TARGETS);
+  done();
+}