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 52b404580291059c6c5d0bd1338ffbb2788ad2e6..ddc4fc23555ae0fce14bfd51a835b4e82b555a7c 100644
--- a/components/web_modal/web_contents_modal_dialog_manager.cc
+++ b/components/web_modal/web_contents_modal_dialog_manager.cc
@@ -41,6 +41,16 @@ void WebContentsModalDialogManager::ShowModalDialog(gfx::NativeWindow dialog) {
   ShowDialogWithManager(dialog, std::move(mgr));
 }
 
+// Shows the modal dialog and records that it has a non clipped display (not
+// constrained to bounds of parent window).
+void WebContentsModalDialogManager::ShowNonClippedModalDialog(
+    gfx::NativeWindow dialog) {
+  nonclipped_child_dialogs_.insert(dialog);
+  std::unique_ptr<SingleWebContentsDialogManager> mgr(
+      CreateNativeWebModalManager(dialog, this));
+  ShowDialogWithManager(dialog, std::move(mgr));
+}
+
 // TODO(gbillock): Maybe "ShowBubbleWithManager"?
 void WebContentsModalDialogManager::ShowDialogWithManager(
     gfx::NativeWindow dialog,
@@ -77,6 +87,7 @@ 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);
@@ -88,6 +99,12 @@ void WebContentsModalDialogManager::WillClose(gfx::NativeWindow dialog) {
   BlockWebContentsInteraction(!child_dialogs_.empty());
 }
 
+bool WebContentsModalDialogManager::IsNonClipped(
+    gfx::NativeWindow dialog) const {
+  return nonclipped_child_dialogs_.find(dialog) !=
+      nonclipped_child_dialogs_.end();
+}
+
 WebContentsModalDialogManager::WebContentsModalDialogManager(
     content::WebContents* web_contents)
     : content::WebContentsObserver(web_contents),