arc: Handle default app not availble case.

components/arc/test/fake_app_instance.h

 // Copyright 2015 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 COMPONENTS_ARC_TEST_FAKE_APP_INSTANCE_H_
 #define COMPONENTS_ARC_TEST_FAKE_APP_INSTANCE_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 117 matching lines @@
   void SendInstallShortcut(const mojom::ShortcutInfo& shortcuts);
   void SendInstallShortcuts(const std::vector<mojom::ShortcutInfo>& shortcuts);
   void SetTaskInfo(int32_t task_id,
                    const std::string& package_name,
                    const std::string& activity);
   void SendRefreshPackageList(
       const std::vector<mojom::ArcPackageInfo>& packages);
   void SendPackageAdded(const mojom::ArcPackageInfo& package);
   void SendPackageUninstalled(const std::string& pacakge_name);
 
+  void SendInstallationStarted(const std::string& package_name);
+  void SendInstallationFinished(const std::string& package_name,
+                                bool success);
+
   int refresh_app_list_count() const { return refresh_app_list_count_; }
 
   const std::vector<std::unique_ptr<Request>>& launch_requests() const {
     return launch_requests_;
   }
 
   const std::vector<std::string>& launch_intents() const {
     return launch_intents_;
   }
 
@@ skipping 25 matching lines @@
 
   bool GetFakeIcon(mojom::ScaleFactor scale_factor,
                    std::string* png_data_as_string);
 
   DISALLOW_COPY_AND_ASSIGN(FakeAppInstance);
 };
 
 }  // namespace arc
 
 #endif  // COMPONENTS_ARC_TEST_FAKE_APP_INSTANCE_H_