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

chrome/browser/ui/app_list/app_list_syncable_service.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 "chrome/browser/ui/app_list/app_list_syncable_service.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/macros.h"
@@ skipping 243 matching lines @@
     DCHECK(!adding_item_);
     VLOG(2) << owner_ << " OnAppListItemDeleted: " << item->ToDebugString();
     // Don't sync folder removal in case the folder still exists on another
     // device (e.g. with device specific items in it). Empty folders will be
     // deleted when the last item is removed (in PruneEmptySyncFolders()).
     if (item->GetItemType() == AppListFolderItem::kItemType)
       return;
 
 #if defined(OS_CHROMEOS)
     if (item->GetItemType() == ArcAppItem::kItemType) {
-      // Don't sync remove changes coming as result of disabling Arc.
+      // Don't sync remove changes coming as result of disabling ARC.
       const arc::ArcSessionManager* arc_session_manager =
           arc::ArcSessionManager::Get();
       DCHECK(arc_session_manager);
       if (!arc_session_manager->IsArcPlayStoreEnabled())
         return;
     }
 #endif
 
     owner_->RemoveSyncItem(item->id());
   }
@@ skipping 954 matching lines @@
     res += " { " + item_name + " }";
     res += " [" + item_ordinal.ToDebugString() + "]";
     if (!parent_id.empty())
       res += " <" + parent_id.substr(0, 8) + ">";
     res += " [" + item_pin_ordinal.ToDebugString() + "]";
   }
   return res;
 }
 
 }  // namespace app_list