arc: Initial implemetation of Chrome sync for Arc packages.

chrome/browser/ui/app_list/arc/arc_app_test.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/ui/app_list/arc/arc_app_test.h"
 
 #include "base/command_line.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/chromeos/login/users/fake_chrome_user_manager.h"
 #include "chrome/browser/chromeos/login/users/scoped_user_manager_enabler.h"
@@ skipping 104 matching lines @@
 
   arc_app_list_pref_ = ArcAppListPrefs::Get(profile_);
   DCHECK(arc_app_list_pref_);
 
   app_instance_.reset(new arc::FakeAppInstance(arc_app_list_pref_));
   bridge_service_->app()->SetInstance(app_instance_.get());
 
   // Check initial conditions.
   EXPECT_EQ(bridge_service_.get(), arc::ArcBridgeService::Get());
   EXPECT_FALSE(arc::ArcBridgeService::Get()->ready());
-
-  // At this point we should have ArcAppListPrefs as observer of service.
-  EXPECT_TRUE(bridge_service_->HasObserver(arc_app_list_pref_));
-  bridge_service()->SetReady();
 }
 
 void ArcAppTest::TearDown() {
   auth_service_.reset();
 }
 
+void ArcAppTest::StopArcInstance() {
+  bridge_service_->app()->SetInstance(nullptr);
+}
+
+void ArcAppTest::RestartArcInstance() {
+  bridge_service_->app()->SetInstance(nullptr);
+  app_instance_.reset(new arc::FakeAppInstance(arc_app_list_pref_));
+  bridge_service_->app()->SetInstance(app_instance_.get());
+}
+
 const user_manager::User* ArcAppTest::CreateUserAndLogin() {
   const AccountId account_id(AccountId::FromUserEmailGaiaId(
       profile_->GetProfileUserName(), "1234567890"));
   const user_manager::User* user = GetUserManager()->AddUser(account_id);
   GetUserManager()->LoginUser(account_id);
   return user;
 }
 
 void ArcAppTest::AddPackage(const arc::mojom::ArcPackageInfo& package) {
   if (!FindPackage(package))
@@ skipping 10 matching lines @@
   }
 }
 
 bool ArcAppTest::FindPackage(const arc::mojom::ArcPackageInfo& package) {
   for (auto fake_package : fake_packages_) {
     if (package.package_name == fake_package.package_name)
       return true;
   }
   return false;
 }