s/\bArc\b/ARC/g for ARC related code.

chrome/browser/ui/ash/launcher/launcher_context_menu.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_CONTEXT_MENU_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_CONTEXT_MENU_H_
 
 #include "ash/common/shelf/shelf_alignment_menu.h"
 #include "ash/common/shelf/shelf_item_types.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "ui/base/models/simple_menu_model.h"
 
 class ChromeLauncherControllerImpl;
 
 namespace ash {
 class WmShelf;
 }
 
 // Base class for context menu which is shown for a regular extension item in
-// the shelf, or for an Arc app item in the shelf, or shown when right click
+// the shelf, or for an ARC app item in the shelf, or shown when right click
 // on desktop shell.
 class LauncherContextMenu : public ui::SimpleMenuModel,
                             public ui::SimpleMenuModel::Delegate {
  public:
   ~LauncherContextMenu() override;
 
   // Static function to create contextmenu instance.
   static LauncherContextMenu* Create(ChromeLauncherControllerImpl* controller,
                                      const ash::ShelfItem* item,
                                      ash::WmShelf* wm_shelf);
@@ skipping 63 matching lines @@
   ash::ShelfItem item_;
 
   ash::ShelfAlignmentMenu shelf_alignment_menu_;
 
   ash::WmShelf* wm_shelf_;
 
   DISALLOW_COPY_AND_ASSIGN(LauncherContextMenu);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_CONTEXT_MENU_H_