Created min size for print preview dialog and modified to allow the

components/constrained_window/show_modal_dialog_cocoa.cc

Index: components/constrained_window/show_modal_dialog_cocoa.cc
diff --git a/components/constrained_window/show_modal_dialog_cocoa.cc b/components/constrained_window/show_modal_dialog_cocoa.cc
index bcb8a5ca4db36daaea169f542cd23c9bc19c8715..baa3b3190b76d17ba17d28f8c0d7a136848f8844 100644
--- a/components/constrained_window/show_modal_dialog_cocoa.cc
+++ b/components/constrained_window/show_modal_dialog_cocoa.cc
@@ -31,4 +31,11 @@ void ShowModalDialog(gfx::NativeWindow dialog,
   manager->ShowDialogWithManager(dialog, std::move(dialog_manager));
 }
 
+void ShowNonClippedModalDialog(gfx::NativeWindow dialog,
+                               content::WebContents* initiator_web_contents) {
+  // Mac uses sheets, so just call the normal show modal dialog, and the dialog
+  // will not be clipped.
+  ShowModalDialog(dialog, initiator_web_contents);
+}
+
 }  // namespace constrained_window