Refactors DimWindow and moves to ash/common

ash/common/wm_shell.h

 // Copyright 2016 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.
 
 #ifndef ASH_COMMON_WM_SHELL_H_
 #define ASH_COMMON_WM_SHELL_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
 
 #include "ash/ash_export.h"
 #include "ash/common/media_delegate.h"
 #include "ash/common/metrics/gesture_action_type.h"
 #include "ash/common/metrics/user_metrics_action.h"
 #include "ash/common/wm/lock_state_observer.h"
 #include "base/observer_list.h"
 #include "ui/base/ui_base_types.h"
+#include "ui/compositor/layer_type.h"
+#include "ui/wm/public/window_types.h"
 
 namespace base {
 class SequencedWorkerPool;
 }
 
 namespace display {
 class Display;
 class ManagedDisplayInfo;
 }
 
@@ skipping 127 matching lines @@
   WallpaperDelegate* wallpaper_delegate() { return wallpaper_delegate_.get(); }
 
   WindowCycleController* window_cycle_controller() {
     return window_cycle_controller_.get();
   }
 
   WindowSelectorController* window_selector_controller() {
     return window_selector_controller_.get();
   }
 
-  // Creates a new window used as a container of other windows. No painting is
-  // done to the created window.
-  virtual WmWindow* NewContainerWindow() = 0;
+  virtual WmWindow* NewWindow(ui::wm::WindowType window_type,
+                              ui::LayerType layer_type) = 0;
 
   virtual WmWindow* GetFocusedWindow() = 0;
   virtual WmWindow* GetActiveWindow() = 0;
 
   virtual WmWindow* GetCaptureWindow() = 0;
 
   virtual WmWindow* GetPrimaryRootWindow() = 0;
 
   // Returns the root window for the specified display.
   virtual WmWindow* GetRootWindowForDisplayId(int64_t display_id) = 0;
@@ skipping 269 matching lines @@
   scoped_refptr<base::SequencedWorkerPool> blocking_pool_;
 
 #if defined(OS_CHROMEOS)
   std::unique_ptr<LogoutConfirmationController> logout_confirmation_controller_;
 #endif
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_WM_SHELL_H_