Add AppLauncherId wrapper for items shown in shelf

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

Index: chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.cc
diff --git a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.cc b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.cc
index f3cbb73bf535b54cfa1bd26aae34d77c9e61a73b..e8ae69f47e48d25e9bc822cc2e4347660a445a1c 100644
--- a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.cc
+++ b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.cc
@@ -392,8 +392,10 @@ void ChromeLauncherControllerImpl::UnpinAndUpdatePrefs(ash::ShelfID id,
   LauncherItemController* controller = GetLauncherItemController(id);
   CHECK(controller);
 
-  if (update_prefs)
-    ash::launcher::RemovePinPosition(profile_, GetAppIDForShelfID(id));
+  if (update_prefs) {
+    ash::launcher::RemovePinPosition(
+        profile_, ash::launcher::AppLauncherId(GetAppIDForShelfID(id)));
+  }
 
   if (controller->type() == LauncherItemController::TYPE_APP ||
       controller->locked()) {
@@ -1177,7 +1179,7 @@ void ChromeLauncherControllerImpl::SyncPinPosition(ash::ShelfID shelf_id) {
   DCHECK(!app_id.empty());
 
   std::string app_id_before;
-  std::vector<std::string> app_ids_after;
+  std::vector<ash::launcher::AppLauncherId> app_launcher_ids_after;
 
   for (int i = index - 1; i > 0; --i) {
     const ash::ShelfID shelf_id_before = model_->items()[i].id;
@@ -1193,11 +1195,14 @@ void ChromeLauncherControllerImpl::SyncPinPosition(ash::ShelfID shelf_id) {
     if (IsPinned(shelf_id_after)) {
       const std::string app_id_after = GetAppIDForShelfID(shelf_id_after);
       DCHECK(!app_id_after.empty());
-      app_ids_after.push_back(app_id_after);
+      app_launcher_ids_after.push_back(
+          ash::launcher::AppLauncherId(app_id_after));
     }
   }
 
-  ash::launcher::SetPinPosition(profile_, app_id, app_id_before, app_ids_after);
+  ash::launcher::SetPinPosition(profile_, ash::launcher::AppLauncherId(app_id),
+                                ash::launcher::AppLauncherId(app_id_before),
+                                app_launcher_ids_after);
 }
 
 void ChromeLauncherControllerImpl::OnSyncModelUpdated() {