[Merge-M54] arc: Don't sync app list change caused by Arc opt out.

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

Index: chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h
diff --git a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h
index dbffd9e264e27b7ef31d8dbb27b5fd291d0ca682..521af05fef240446614c77424be349e76bcfa1be 100644
--- a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h
+++ b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h
@@ -210,7 +210,7 @@ class ChromeLauncherControllerImpl
   // Internal helpers for pinning and unpinning that handle both
   // client-triggered and internal pinning operations.
   void DoPinAppWithID(const std::string& app_id);
-  void DoUnpinAppWithID(const std::string& app_id);
+  void DoUnpinAppWithID(const std::string& app_id, bool update_prefs);
 
   // Pin a running app with |shelf_id| internally to |index|. It returns
   // the index where the item was pinned.
@@ -308,6 +308,10 @@ class ChromeLauncherControllerImpl
   // app_list::AppListSyncableService::Observer:
   void OnSyncModelUpdated() override;
 
+  // Unpins shelf item and optionally updates pin prefs when |update_prefs| is
+  // set to true.
+  void UnpinAndUpdatePrefs(ash::ShelfID id, bool update_prefs);
+
   ash::ShelfModel* model_;
 
   // Profile used for prefs and loading extensions. This is NOT necessarily the