views: don't snap dialogs with no buttons

ui/views/bubble/bubble_frame_view_unittest.cc

Index: ui/views/bubble/bubble_frame_view_unittest.cc
diff --git a/ui/views/bubble/bubble_frame_view_unittest.cc b/ui/views/bubble/bubble_frame_view_unittest.cc
index bcd120b6e1a6fcec3f0f0b372bc8da7b8b28c6bd..463760c059ef9bcc6fdc3354b3c45a2975ee706c 100644
--- a/ui/views/bubble/bubble_frame_view_unittest.cc
+++ b/ui/views/bubble/bubble_frame_view_unittest.cc
@@ -510,7 +510,7 @@ class TestBubbleDialogDelegateView : public BubbleDialogDelegateView {
     // This delegate is owned by the test case itself, so it should not delete
     // itself here.
   }
-  int GetDialogButtons() const override { return ui::DIALOG_BUTTON_NONE; }
+  int GetDialogButtons() const override { return ui::DIALOG_BUTTON_OK; }
   bool ShouldSnapFrameWidth() const override {
     return override_snap_.value_or(
         BubbleDialogDelegateView::ShouldSnapFrameWidth());