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

ui/views/widget/widget_delegate.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/views/widget/widget_delegate.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/views/view.h"
 #include "ui/views/views_delegate.h"
@@ skipping 40 matching lines @@
 }
 
 bool WidgetDelegate::CanMinimize() const {
   return false;
 }
 
 bool WidgetDelegate::CanActivate() const {
   return can_activate_;
 }
 
+bool WidgetDelegate::IsTopLevel() const {
+  return is_top_level_;
+}
+
 ui::ModalType WidgetDelegate::GetModalType() const {
   return ui::MODAL_TYPE_NONE;
 }
 
 ui::AXRole WidgetDelegate::GetAccessibleWindowRole() const {
   return ui::AX_ROLE_WINDOW;
 }
 
 base::string16 WidgetDelegate::GetAccessibleWindowTitle() const {
   return GetWindowTitle();
@@ skipping 135 matching lines @@
 
 const Widget* WidgetDelegateView::GetWidget() const {
   return View::GetWidget();
 }
 
 const char* WidgetDelegateView::GetClassName() const {
   return kViewClassName;
 }
 
 }  // namespace views