arc: Fix duplicate icons in app launcher in case of crash.

chrome/browser/ui/app_list/arc/arc_app_test.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_APP_LIST_ARC_ARC_APP_TEST_H_
 #define CHROME_BROWSER_UI_APP_LIST_ARC_ARC_APP_TEST_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 68 matching lines @@
 
   ArcAppListPrefs* arc_app_list_prefs() { return arc_app_list_pref_; }
 
   arc::ArcSessionManager* arc_session_manager() {
     return arc_session_manager_.get();
   }
 
  private:
   const user_manager::User* CreateUserAndLogin();
   bool FindPackage(const arc::mojom::ArcPackageInfo& package);
+  void CreateFakeAppsAndPackages();
 
   // Unowned pointer.
   Profile* profile_ = nullptr;
 
   ArcAppListPrefs* arc_app_list_pref_ = nullptr;
 
   std::unique_ptr<arc::FakeArcBridgeService> bridge_service_;
   std::unique_ptr<arc::FakeAppInstance> app_instance_;
   std::unique_ptr<arc::ArcSessionManager> arc_session_manager_;
   std::unique_ptr<chromeos::ScopedUserManagerEnabler> user_manager_enabler_;
   std::vector<arc::mojom::AppInfo> fake_apps_;
   std::vector<arc::mojom::AppInfo> fake_default_apps_;
   std::vector<arc::mojom::ArcPackageInfo> fake_packages_;
   std::vector<arc::mojom::ShortcutInfo> fake_shortcuts_;
 
   bool dbus_thread_manager_initialized_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(ArcAppTest);
 };
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_ARC_ARC_APP_TEST_H_