Moves management of transients out of Window

ash/wm/window_state.cc

 // Copyright 2013 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 "ash/wm/window_state.h"
 
 #include "ash/ash_switches.h"
 #include "ash/root_window_controller.h"
 #include "ash/screen_ash.h"
 #include "ash/shell_window_ids.h"
@@ skipping 115 matching lines @@
 bool WindowState::CanResize() const {
   return window_->GetProperty(aura::client::kCanResizeKey);
 }
 
 bool WindowState::CanActivate() const {
   return views::corewm::CanActivateWindow(window_);
 }
 
 bool WindowState::CanSnap() const {
   if (!CanResize() || window_->type() == ui::wm::WINDOW_TYPE_PANEL ||
-      window_->transient_parent())
+      views::corewm::GetTransientParent(window_))
     return false;
   // If a window has a maximum size defined, snapping may make it too big.
   return window_->delegate() ? window_->delegate()->GetMaximumSize().IsEmpty() :
                               true;
 }
 
 bool WindowState::HasRestoreBounds() const {
   return window_->GetProperty(aura::client::kRestoreBoundsKey) != NULL;
 }
 
@@ skipping 176 matching lines @@
   }
   return settings;
 }
 
 const WindowState* GetWindowState(const aura::Window* window) {
   return GetWindowState(const_cast<aura::Window*>(window));
 }
 
 }  // namespace wm
 }  // namespace ash