Dice: Fix empty vector access in profile_chooser_view.cc GetAccountsForProfile

This was a simple oversight, introduced in https://crrev.com/c/817198

Bug: 786369
Change-Id: Icb85d73c99f4352244215fd764dad984ff10a6b9
Reviewed-on: https://chromium-review.googlesource.com/873414
Commit-Queue: Bret Sepulveda <bsep@chromium.org>
Reviewed-by: Bret Sepulveda <bsep@chromium.org>
Cr-Commit-Position: refs/heads/master@{#530318}

chrome/browser/ui/views/profiles/profile_chooser_view.cc

@@ -212,7 +212,7 @@ std::vector<AccountInfo> GetAccountsForProfile(Profile* profile) {
   for (const std::string& account_id : account_ids) {
     AccountInfo account_info =
         account_tracker_service->GetAccountInfo(account_id);
-    if (account_id == cookie_accounts[0].id)
+    if (account_id == gaia_default_account_id)
       accounts.insert(accounts.begin(), account_info);
     else
       accounts.push_back(account_info);