Use GridLayout for DialogClientView's button row.

ui/views/examples/dialog_example.cc

Index: ui/views/examples/dialog_example.cc
diff --git a/ui/views/examples/dialog_example.cc b/ui/views/examples/dialog_example.cc
index 637c6dafabb1957002431d3e709998ed9e4c4af4..37e8770ea9aeeb41cc8dfe2b16fd6b94d5aef654 100644
--- a/ui/views/examples/dialog_example.cc
+++ b/ui/views/examples/dialog_example.cc
@@ -245,6 +245,10 @@ void DialogExample::ResizeDialog() {
   // Q: Do we need NonClientFrameView::GetWindowBoundsForClientBounds() here?
   // A: When DialogCientView properly feeds back sizes, we do not.
   widget->SetBoundsConstrained(preferred_bounds);
+
+  // For user-resizable dialogs, ensure the window manager enforces any new
+  // minimum size.
+  widget->OnSizeConstraintsChanged();
 }
 
 void DialogExample::ButtonPressed(Button* sender, const ui::Event& event) {