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

ui/views/widget/widget.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.h"
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 989 matching lines @@
   return native_widget_->GetName();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // Widget, NativeWidgetDelegate implementation:
 
 bool Widget::IsModal() const {
   return widget_delegate_->GetModalType() != ui::MODAL_TYPE_NONE;
 }
 
+bool Widget::IsModalTypeChild() const {
+  return widget_delegate_->GetModalType() == ui::MODAL_TYPE_CHILD;
+}
+
 bool Widget::IsDialogBox() const {
   return !!widget_delegate_->AsDialogDelegate();
 }
 
 bool Widget::CanActivate() const {
   return widget_delegate_->CanActivate();
 }
 
 bool Widget::IsAlwaysRenderAsActive() const {
   return always_render_as_active_;
@@ skipping 467 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // internal::NativeWidgetPrivate, NativeWidget implementation:
 
 internal::NativeWidgetPrivate* NativeWidgetPrivate::AsNativeWidgetPrivate() {
   return this;
 }
 
 }  // namespace internal
 }  // namespace views