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

ui/wm/core/window_modality_controller.cc

Index: ui/wm/core/window_modality_controller.cc
diff --git a/ui/wm/core/window_modality_controller.cc b/ui/wm/core/window_modality_controller.cc
index 094acc49189b86f2d21d4dbade56e7b8b7e1486d..a68e43d0aabfc1debeb0a912d5f618d2692d7f05 100644
--- a/ui/wm/core/window_modality_controller.cc
+++ b/ui/wm/core/window_modality_controller.cc
@@ -128,7 +128,7 @@ void WindowModalityController::OnKeyEvent(ui::KeyEvent* event) {
 void WindowModalityController::OnMouseEvent(ui::MouseEvent* event) {
   aura::Window* target = static_cast<aura::Window*>(event->target());
   if (ProcessLocatedEvent(target, event))
-   event->SetHandled();
+    event->SetHandled();
 }
 
 void WindowModalityController::OnTouchEvent(ui::TouchEvent* event) {