Removes most of aura dependencies from DefaultState

ash/wm/panels/panel_window_resizer.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 "ash/wm/panels/panel_window_resizer.h"
 
 #include "ash/display/window_tree_host_manager.h"
 #include "ash/screen_util.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_types.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
+#include "ash/wm/common/window_parenting_utils.h"
 #include "ash/wm/panels/panel_layout_manager.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm/window_util.h"
 #include "base/memory/weak_ptr.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/client/window_tree_client.h"
 #include "ui/aura/env.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_delegate.h"
 #include "ui/aura/window_event_dispatcher.h"
@@ skipping 150 matching lines @@
   if (!was_attached_) {
     // Attach the panel while dragging placing it in front of other panels.
     window_state_->set_panel_attached(true);
     // We use root window coordinates to ensure that during the drag the panel
     // is reparented to a container in the root window that has that window.
     aura::Window* target = GetTarget();
     aura::Window* target_root = target->GetRootWindow();
     aura::Window* old_parent = target->parent();
     aura::client::ParentWindowWithContext(
         target, target_root, target_root->GetBoundsInScreen());
-    wm::ReparentTransientChildrenOfChild(target, old_parent, target->parent());
+    ash::wm::ReparentTransientChildrenOfChild(
+        ash::wm::WmWindowAura::Get(target),
+        ash::wm::WmWindowAura::Get(old_parent),
+        ash::wm::WmWindowAura::Get(target->parent()));
   }
 }
 
 void PanelWindowResizer::FinishDragging() {
   if (!did_move_or_resize_)
     return;
   if (window_state_->panel_attached() != details().should_attach_to_shelf) {
     window_state_->set_panel_attached(details().should_attach_to_shelf);
     // We use last known location to ensure that after the drag the panel
     // is reparented to a container in the root window that has that location.
     aura::Window* target = GetTarget();
     aura::Window* target_root = target->GetRootWindow();
     aura::Window* old_parent = target->parent();
     aura::client::ParentWindowWithContext(
         target, target_root, gfx::Rect(last_location_, gfx::Size()));
-    wm::ReparentTransientChildrenOfChild(target, old_parent, target->parent());
+    ash::wm::ReparentTransientChildrenOfChild(
+        ash::wm::WmWindowAura::Get(target),
+        ash::wm::WmWindowAura::Get(old_parent),
+        ash::wm::WmWindowAura::Get(target->parent()));
   }
 
   // If we started the drag in one root window and moved into another root
   // but then canceled the drag we may need to inform the original layout
   // manager that the drag is finished.
   if (initial_panel_container_ != panel_container_)
      GetPanelLayoutManager(initial_panel_container_)->FinishDragging();
   if (panel_container_)
     GetPanelLayoutManager(panel_container_)->FinishDragging();
 }
 
 void PanelWindowResizer::UpdateLauncherPosition() {
   if (panel_container_) {
     GetPanelLayoutManager(panel_container_)->shelf()->
         UpdateIconPositionForWindow(GetTarget());
   }
 }
 
 }  // namespace aura