Customize user details in ash system bubble for public account mode

ui/views/bubble/tray_bubble_view.cc

Index: ui/views/bubble/tray_bubble_view.cc
diff --git a/ui/views/bubble/tray_bubble_view.cc b/ui/views/bubble/tray_bubble_view.cc
index 7ff4112f38a5935db57f813b4ca2813055d72ec6..bb087bab65507a44b807a0b361596c673e638926 100644
--- a/ui/views/bubble/tray_bubble_view.cc
+++ b/ui/views/bubble/tray_bubble_view.cc
@@ -306,6 +306,14 @@ void TrayBubbleView::SetMaxHeight(int height) {
     SizeToContents();
 }
 
+void TrayBubbleView::SetWidth(int width) {
+  if (params_.bubble_width == width)
+    return;
+  params_.bubble_width = width;
+  if (GetWidget())
+    SizeToContents();
+}
+
 void TrayBubbleView::SetPaintArrow(bool paint_arrow) {
   bubble_border_->set_paint_arrow(paint_arrow);
 }