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

chrome/browser/chromeos/login/ui/webui_login_display.cc

Index: chrome/browser/chromeos/login/ui/webui_login_display.cc
diff --git a/chrome/browser/chromeos/login/ui/webui_login_display.cc b/chrome/browser/chromeos/login/ui/webui_login_display.cc
index f6fab4e420c412280811131df19fdb2c4780580f..782ad0fcfaacb3b302044f343e1304020fe8f728 100644
--- a/chrome/browser/chromeos/login/ui/webui_login_display.cc
+++ b/chrome/browser/chromeos/login/ui/webui_login_display.cc
@@ -42,11 +42,7 @@ WebUILoginDisplay::~WebUILoginDisplay() {
 // LoginDisplay implementation: ------------------------------------------------
 
 WebUILoginDisplay::WebUILoginDisplay(LoginDisplay::Delegate* delegate)
-    : LoginDisplay(delegate, gfx::Rect()),
-      show_guest_(false),
-      show_new_user_(false),
-      webui_handler_(NULL) {
-}
+    : LoginDisplay(delegate, gfx::Rect()) {}
 
 void WebUILoginDisplay::ClearAndEnablePassword() {
   if (webui_handler_)
@@ -325,10 +321,10 @@ void WebUILoginDisplay::OnUserActivity(const ui::Event* event) {
     delegate_->ResetPublicSessionAutoLoginTimer();
 }
 
-bool WebUILoginDisplay::IsUserWhitelisted(const std::string& user_id) {
+bool WebUILoginDisplay::IsUserWhitelisted(const AccountId& account_id) {
   DCHECK(delegate_);
   if (delegate_)
-    return delegate_->IsUserWhitelisted(user_id);
+    return delegate_->IsUserWhitelisted(account_id);
   return true;
 }