mash: Use ash shell window container ids instead of ash::mojom::Container

ash/common/shell_window_ids.cc

Index: ash/common/shell_window_ids.cc
diff --git a/ash/common/shell_window_ids.cc b/ash/common/shell_window_ids.cc
deleted file mode 100644
index 27fdf89b48dd27855be4b0f51f8bf7a56ee33653..0000000000000000000000000000000000000000
--- a/ash/common/shell_window_ids.cc
+++ /dev/null
@@ -1,38 +0,0 @@
-// 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.
-
-#include "ash/common/shell_window_ids.h"
-
-#include "base/macros.h"
-
-namespace ash {
-
-// NOTE: this list is ordered by activation order. That is, windows in
-// containers appearing earlier in the list are activated before windows in
-// containers appearing later in the list.
-const int kActivatableShellWindowIds[] = {
-    kShellWindowId_OverlayContainer, kShellWindowId_LockSystemModalContainer,
-    kShellWindowId_SettingBubbleContainer, kShellWindowId_LockScreenContainer,
-    kShellWindowId_SystemModalContainer, kShellWindowId_AlwaysOnTopContainer,
-    kShellWindowId_AppListContainer, kShellWindowId_DefaultContainer,
-
-    // Docked, panel, launcher and status are intentionally checked after other
-    // containers even though these layers are higher. The user expects their
-    // windows to be focused before these elements.
-    kShellWindowId_DockedContainer, kShellWindowId_PanelContainer,
-    kShellWindowId_ShelfContainer, kShellWindowId_StatusContainer,
-};
-
-const size_t kNumActivatableShellWindowIds =
-    arraysize(kActivatableShellWindowIds);
-
-bool IsActivatableShellWindowId(int id) {
-  for (size_t i = 0; i < kNumActivatableShellWindowIds; i++) {
-    if (id == kActivatableShellWindowIds[i])
-      return true;
-  }
-  return false;
-}
-
-}  // namespace ash