Moves mash/wm/public -> ash/public

ash/public/interfaces/user_window_controller.mojom

 // Copyright 2015 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.
 
-module mash.wm.mojom;
+module ash.mojom;
 
 struct UserWindow {
   uint32 window_id;  // The local window id, defined by UserWindowController.
   string window_title;  // The window title.
   bool window_has_focus;  // A flag; true if the window is currently focused.
   array<uint8> window_app_icon;  // A serialized SkBitmap.
   string window_app_id;  // The window application ID (ie. 'mojo:foo').
   bool ignored_by_shelf; // A flag; true to avoid showing a shelf item.
 };
 
@@ skipping 13 matching lines @@
 
   OnUserWindowFocusChanged(uint32 window_id, bool has_focus);
 };
 
 // An interface allowing system UIs to manage the set of user windows.
 // TODO(msw): Add minimization, restoration, opening a chooser view, etc.
 interface UserWindowController {
   AddUserWindowObserver(UserWindowObserver observer);
   FocusUserWindow(uint32 window_id);
 };