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

components/web_modal/web_contents_modal_dialog_manager.cc

Index: components/web_modal/web_contents_modal_dialog_manager.cc
diff --git a/components/web_modal/web_contents_modal_dialog_manager.cc b/components/web_modal/web_contents_modal_dialog_manager.cc
index a417685ac10e751681f8c2232f43b32584969359..a4b2685641dc913b1cde62da4d0301c20b563320 100644
--- a/components/web_modal/web_contents_modal_dialog_manager.cc
+++ b/components/web_modal/web_contents_modal_dialog_manager.cc
@@ -71,6 +71,7 @@ void WebContentsModalDialogManager::WillClose(gfx::NativeWindow dialog) {
   if (dlg == child_dialogs_.end())
     return;
 
+  nonclipped_child_dialogs_.erase(dialog);
   bool removed_topmost_dialog = dlg == child_dialogs_.begin();
   std::unique_ptr<DialogState> deleter(*dlg);
   child_dialogs_.erase(dlg);
@@ -82,6 +83,16 @@ void WebContentsModalDialogManager::WillClose(gfx::NativeWindow dialog) {
   BlockWebContentsInteraction(!child_dialogs_.empty());
 }
 
+void WebContentsModalDialogManager::AddNonClippedDialog(
+    gfx::NativeWindow dialog) {
+  nonclipped_child_dialogs_.insert(dialog);
+}
+
+bool WebContentsModalDialogManager::IsNonClipped(
+    gfx::NativeWindow dialog) const {
+  return base::ContainsKey(nonclipped_child_dialogs_, dialog);
+}
+
 WebContentsModalDialogManager::WebContentsModalDialogManager(
     content::WebContents* web_contents)
     : content::WebContentsObserver(web_contents),