Migrate signin error messages to the new avatar bubble

chrome/browser/profiles/profile_window.cc

Index: chrome/browser/profiles/profile_window.cc
diff --git a/chrome/browser/profiles/profile_window.cc b/chrome/browser/profiles/profile_window.cc
index 7e88d0ccaa7484da45b2b624dd6bce9aae356c15..10b48e19cd03d7fa56cab89d3d442126198abc31 100644
--- a/chrome/browser/profiles/profile_window.cc
+++ b/chrome/browser/profiles/profile_window.cc
@@ -372,6 +372,10 @@ void BubbleViewModeFromAvatarBubbleMode(
       *bubble_view_mode = BUBBLE_VIEW_MODE_PROFILE_CHOOSER;
       *tutorial_mode = TUTORIAL_MODE_CONFIRM_SIGNIN;
       return;
+    case BrowserWindow::AVATAR_BUBBLE_MODE_SHOW_ERROR:
+      *bubble_view_mode = BUBBLE_VIEW_MODE_PROFILE_CHOOSER;
+      *tutorial_mode = TUTORIAL_MODE_SHOW_ERROR;
+      return;
     default:
       *bubble_view_mode = profiles::BUBBLE_VIEW_MODE_PROFILE_CHOOSER;
   }