Include account_reconcilor_delegate_unittest

account_reconcilor_delegate_unittest was removed from BUILD.gn by
mistake in https://crrev.com/c/1758072.

Change-Id: I659ce3583018bd957781d86178f18c620bc100d7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2421114Reviewed-by: David Roger <droger@chromium.org>
Commit-Queue: Anastasiia N <anastasiian@chromium.org>
Cr-Commit-Position: refs/heads/master@{#808855}

components/signin/core/browser/BUILD.gn

@@ -103,6 +103,7 @@ source_set("unit_tests") {
   testonly = true
   sources = [
     "account_investigator_unittest.cc",
+    "account_reconcilor_delegate_unittest.cc",
     "account_reconcilor_unittest.cc",
     "dice_account_reconcilor_delegate_unittest.cc",
     "signin_error_controller_unittest.cc",

components/signin/core/browser/account_reconcilor_delegate_unittest.cc

@@ -135,8 +135,8 @@ TEST_P(AccountReconcilorDelegateTest, ReorderChromeAccountsForReconcile) {
   // Check results.
   std::string order_as_string;
   for (const CoreAccountId& account : order) {
-    ASSERT_EQ(1u, account.id.size());
-    order_as_string += account.id;
+    ASSERT_EQ(1u, account.ToString().size());
+    order_as_string += account.ToString();
   }
   EXPECT_EQ(GetParam().expected_order, order_as_string);