Call ProfileSyncService::ShowErrorUI for post login sync errors

chrome/browser/dom_ui/options/personal_options_handler.cc

Index: chrome/browser/dom_ui/options/personal_options_handler.cc
diff --git a/chrome/browser/dom_ui/options/personal_options_handler.cc b/chrome/browser/dom_ui/options/personal_options_handler.cc
index f749e396881b7d7220525bc081a71db05661b40a..504ea54b4ca92bfe358c70861410ea89fcfd82b5 100644
--- a/chrome/browser/dom_ui/options/personal_options_handler.cc
+++ b/chrome/browser/dom_ui/options/personal_options_handler.cc
@@ -322,19 +322,23 @@ void PersonalOptionsHandler::Initialize() {
 }
 
 void PersonalOptionsHandler::ShowSyncLoginDialog(const ListValue* args) {
-#if defined(OS_CHROMEOS)
-  std::string email = chromeos::UserManager::Get()->logged_in_user().email();
-  string16 message = l10n_util::GetStringFUTF16(
-      IDS_SYNC_LOGIN_INTRODUCTION,
-      l10n_util::GetStringUTF16(IDS_PRODUCT_NAME));
-  dom_ui_->GetProfile()->GetBrowserSignin()->RequestSignin(
-      dom_ui_->tab_contents(), UTF8ToUTF16(email), message, this);
-#else
   ProfileSyncService* service = dom_ui_->GetProfile()->GetProfileSyncService();
   DCHECK(service);
-  service->ShowLoginDialog(NULL);
-  ProfileSyncService::SyncEvent(ProfileSyncService::START_FROM_OPTIONS);
+  if (service->HasSyncSetupCompleted()) {
+    service->ShowErrorUI(NULL);
+  } else {
+#if defined(OS_CHROMEOS)
+    std::string email = chromeos::UserManager::Get()->logged_in_user().email();
+    string16 message = l10n_util::GetStringFUTF16(
+        IDS_SYNC_LOGIN_INTRODUCTION,
+        l10n_util::GetStringUTF16(IDS_PRODUCT_NAME));
+    dom_ui_->GetProfile()->GetBrowserSignin()->RequestSignin(
+        dom_ui_->tab_contents(), UTF8ToUTF16(email), message, this);
+#else
+    service->ShowLoginDialog(NULL);
+    ProfileSyncService::SyncEvent(ProfileSyncService::START_FROM_OPTIONS);
 #endif
+  }
 }
 
 void PersonalOptionsHandler::ShowCustomizeSyncDialog(const ListValue* args) {