CookieStore: Add domain validation wpt

This change adds tests for domain validation in wpt.

Change-Id: Id8c74374d23bd72787ecc40919070b98684e163c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2149699
Commit-Queue: Victor Costan <pwnall@chromium.org>
Reviewed-by: Victor Costan <pwnall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#760748}

cookie-store/cookieStore_set_arguments.tentative.https.any.js

@@ -156,6 +156,19 @@ promise_test(async testCase => {
  assert_equals(cookie, null);
 }, 'cookieStore.set with name and value in options and expires in the past');
 
+promise_test(async testCase => {
+ const currentUrl = new URL(self.location.href);
+ const currentDomain = currentUrl.hostname;
+
+ await promise_rejects_js(testCase, TypeError, cookieStore.set(
+ 'cookie-name', 'cookie-value', { domain: `.${currentDomain}` }));
+}, 'cookieStore.set domain starts with "."');
+
+promise_test(async testCase => {
+ await promise_rejects_js(testCase, TypeError, cookieStore.set(
+ 'cookie-name', 'cookie-value', { domain: 'example.com' }));
+}, 'cookieStore.set with domain that is not equal current host');
+
 promise_test(async testCase => {
  const currentUrl = new URL(self.location.href);
  const currentDomain = currentUrl.hostname;