This CL replaces e-mail with AccountId in easy signin code.

chrome/browser/chromeos/login/easy_unlock/bootstrap_user_flow.cc

Index: chrome/browser/chromeos/login/easy_unlock/bootstrap_user_flow.cc
diff --git a/chrome/browser/chromeos/login/easy_unlock/bootstrap_user_flow.cc b/chrome/browser/chromeos/login/easy_unlock/bootstrap_user_flow.cc
index acf5cf5593e716b010bfd128442a87b29713732b..856922b0aacb99c5fc8d9a00f6b210918a62b82a 100644
--- a/chrome/browser/chromeos/login/easy_unlock/bootstrap_user_flow.cc
+++ b/chrome/browser/chromeos/login/easy_unlock/bootstrap_user_flow.cc
@@ -20,14 +20,14 @@ namespace chromeos {
 
 BootstrapUserFlow::BootstrapUserFlow(const UserContext& user_context,
                                      bool is_new_account)
-    : ExtendedUserFlow(user_context.GetAccountId().GetUserEmail()),
+    : ExtendedUserFlow(user_context.GetAccountId()),
       user_context_(user_context),
       is_new_account_(is_new_account),
       finished_(false),
       user_profile_(nullptr),
       weak_ptr_factory_(this) {
   ChromeUserManager::Get()->GetBootstrapManager()->AddPendingBootstrap(
-      user_context_.GetAccountId().GetUserEmail());
+      user_context_.GetAccountId());
 }
 
 BootstrapUserFlow::~BootstrapUserFlow() {
@@ -111,7 +111,7 @@ void BootstrapUserFlow::Finish() {
   finished_ = true;
 
   ChromeUserManager::Get()->GetBootstrapManager()->FinishPendingBootstrap(
-      user_context_.GetAccountId().GetUserEmail());
+      user_context_.GetAccountId());
   UserSessionManager::GetInstance()->DoBrowserLaunch(user_profile_, host());
 
   user_profile_ = nullptr;