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

ui/wm/core/window_modality_controller.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/wm/core/window_modality_controller.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/client/capture_client.h"
 #include "ui/aura/env.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/aura/window_property.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/events/event.h"
 #include "ui/events/event_target.h"
 #include "ui/events/gestures/gesture_recognizer.h"
 #include "ui/wm/core/window_animations.h"
 #include "ui/wm/core/window_util.h"
 
 namespace wm {
+//  const char kHasIndependentBoundsKey[] = "INDEPENDENT_BOUNDS";
 
 // Transient child's modal parent.
 extern const aura::WindowProperty<aura::Window*>* const kModalParentKey;
 DEFINE_WINDOW_PROPERTY_KEY(aura::Window*, kModalParentKey, NULL);
-
 namespace {
 
 bool HasAncestor(aura::Window* window, aura::Window* ancestor) {
   if (!window)
     return false;
   if (window == ancestor)
     return true;
   return HasAncestor(window->parent(), ancestor);
 }
 
@@ skipping 35 matching lines @@
 
       aura::Window* modal_child = GetModalTransientChild(transient, original);
       return modal_child ? modal_child : transient;
     }
   }
   return NULL;
 }
 
 }  // namespace
 
-void SetModalParent(aura::Window* child, aura::Window* parent) {
+void SetModalParent(aura::Window* child, aura::Window* parent,
+                    bool* independent, const char * kHasIndependentBoundsKey) {
   child->SetProperty(kModalParentKey, parent);
+  if (kHasIndependentBoundsKey)
+    child->SetNativeWindowProperty(kHasIndependentBoundsKey, independent);
 }
 
 aura::Window* GetModalTransient(aura::Window* window) {
   if (!window)
     return NULL;
 
   // We always want to check the for the transient child of the toplevel window.
   aura::Window* toplevel = GetToplevelWindow(window);
   if (!toplevel)
     return NULL;
@@ skipping 110 matching lines @@
     }
 
     AnimateWindow(modal_transient_child, WINDOW_ANIMATION_TYPE_BOUNCE);
   }
   if (event->type() == ui::ET_TOUCH_CANCELLED)
     return false;
   return !!modal_transient_child;
 }
 
 }  // namespace wm