Converts ShellObserver from aura::Window to ash::WmWindow

ash/shelf/shelf.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/shelf/shelf.h"
 
 #include <algorithm>
 #include <cmath>
 
+#include "ash/aura/wm_window_aura.h"
 #include "ash/common/shelf/shelf_item_delegate.h"
 #include "ash/common/shelf/shelf_item_delegate_manager.h"
 #include "ash/common/shelf/shelf_model.h"
 #include "ash/common/shelf/wm_shelf_util.h"
 #include "ash/common/shell_window_ids.h"
 #include "ash/focus_cycler.h"
 #include "ash/root_window_controller.h"
 #include "ash/root_window_settings.h"
 #include "ash/screen_util.h"
 #include "ash/shelf/shelf_delegate.h"
@@ skipping 68 matching lines @@
       alignment != SHELF_ALIGNMENT_BOTTOM_LOCKED) {
     shelf_locking_manager_.set_stored_alignment(alignment);
     return;
   }
 
   alignment_ = alignment;
   shelf_view_->OnShelfAlignmentChanged();
   shelf_widget_->OnShelfAlignmentChanged();
   delegate_->OnShelfAlignmentChanged(this);
   Shell::GetInstance()->OnShelfAlignmentChanged(
-      shelf_widget_->GetNativeWindow()->GetRootWindow());
+      WmWindowAura::Get(shelf_widget_->GetNativeWindow()->GetRootWindow()));
   // ShelfLayoutManager will resize the shelf.
 }
 
 bool Shelf::IsHorizontalAlignment() const {
   return ::ash::IsHorizontalAlignment(alignment_);
 }
 
 void Shelf::SetAutoHideBehavior(ShelfAutoHideBehavior auto_hide_behavior) {
   if (auto_hide_behavior_ == auto_hide_behavior)
     return;
 
   auto_hide_behavior_ = auto_hide_behavior;
   delegate_->OnShelfAutoHideBehaviorChanged(this);
   Shell::GetInstance()->OnShelfAutoHideBehaviorChanged(
-      shelf_widget_->GetNativeWindow()->GetRootWindow());
+      WmWindowAura::Get(shelf_widget_->GetNativeWindow()->GetRootWindow()));
 }
 
 ShelfAutoHideState Shelf::GetAutoHideState() const {
   return shelf_widget_->shelf_layout_manager()->auto_hide_state();
 }
 
 ShelfVisibilityState Shelf::GetVisibilityState() const {
   return shelf_widget_->shelf_layout_manager()->visibility_state();
 }
 
@@ skipping 97 matching lines @@
 
 gfx::Rect Shelf::GetVisibleItemsBoundsInScreen() const {
   return shelf_view_->GetVisibleItemsBoundsInScreen();
 }
 
 app_list::ApplicationDragAndDropHost* Shelf::GetDragAndDropHostForAppList() {
   return shelf_view_;
 }
 
 }  // namespace ash