Merge ShelfItemDelegate::ItemSelected & LauncherItemDelegate::Activate.

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

 // 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 "chrome/browser/chromeos/arc/arc_session_manager.h"
 #include "chrome/browser/chromeos/arc/arc_support_host.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_launcher.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_utils.h"
 #include "chrome/browser/ui/ash/launcher/arc_playstore_shortcut_launcher_item_controller.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 
 ArcPlaystoreShortcutLauncherItemController::
     ArcPlaystoreShortcutLauncherItemController(
         ChromeLauncherController* controller)
     : AppShortcutLauncherItemController(ArcSupportHost::kHostAppId,
                                         "",
                                         controller) {}
 
 ArcPlaystoreShortcutLauncherItemController::
     ~ArcPlaystoreShortcutLauncherItemController() {}
 
-ash::ShelfItemDelegate::PerformedAction
-ArcPlaystoreShortcutLauncherItemController::Activate(ash::LaunchSource source) {
+ash::ShelfAction ArcPlaystoreShortcutLauncherItemController::ItemSelected(
+    ui::EventType event_type,
+    int event_flags,
+    int64_t display_id,
+    ash::ShelfLaunchSource source) {
   arc::ArcSessionManager* arc_session_manager = arc::ArcSessionManager::Get();
   DCHECK(arc_session_manager);
   DCHECK(arc_session_manager->IsAllowed());
 
   ArcAppListPrefs* arc_app_prefs =
       ArcAppListPrefs::Get(controller()->profile());
   DCHECK(arc_app_prefs);
 
   const bool arc_was_enabled = arc_session_manager->IsArcEnabled();
   arc_session_manager->EnableArc();
 
   // Deferred launcher.
   if (arc_app_prefs->IsRegistered(arc::kPlayStoreAppId) && arc_was_enabled) {
     // Known apps can be launched directly or deferred.
     arc::LaunchApp(controller()->profile(), arc::kPlayStoreAppId, true);
   } else {
     // Launch Play Store once its app appears.
     playstore_launcher_.reset(new ArcAppLauncher(controller()->profile(),
                                                  arc::kPlayStoreAppId, true));
   }
 
-  return kNoAction;
+  return ash::SHELF_ACTION_NONE;
 }