Fix Arc integration test.

chrome/browser/ui/app_list/arc/arc_package_sync_data_type_controller.cc

Index: chrome/browser/ui/app_list/arc/arc_package_sync_data_type_controller.cc
diff --git a/chrome/browser/ui/app_list/arc/arc_package_sync_data_type_controller.cc b/chrome/browser/ui/app_list/arc/arc_package_sync_data_type_controller.cc
index 293b5d6947c0ca2a2460d02ada3754f3128a11a3..864c884b6477073170e4b5002b745a94305e09d3 100644
--- a/chrome/browser/ui/app_list/arc/arc_package_sync_data_type_controller.cc
+++ b/chrome/browser/ui/app_list/arc/arc_package_sync_data_type_controller.cc
@@ -7,6 +7,7 @@
 #include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/chromeos/arc/arc_util.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/app_list/arc/arc_app_list_prefs_factory.h"
 #include "chrome/common/pref_names.h"
 #include "components/prefs/pref_service.h"
 #include "components/sync/base/pref_names.h"
@@ -14,18 +15,6 @@
 #include "components/sync/driver/sync_client.h"
 #include "components/sync/driver/sync_service.h"
 
-// ArcPackage sync service is controlled by apps checkbox in sync settings. ARC
-// apps and regular Chrome apps have same user control.
-namespace {
-
-// Indicates whether ARC is enabled on this machine.
-bool IsArcEnabled(Profile* profile) {
-  return arc::IsArcAllowedForProfile(profile) &&
-         profile->GetPrefs()->GetBoolean(prefs::kArcEnabled);
-}
-
-}  // namespace
-
 ArcPackageSyncDataTypeController::ArcPackageSyncDataTypeController(
     syncer::ModelType type,
     const base::Closure& dump_stack,
@@ -49,7 +38,9 @@ ArcPackageSyncDataTypeController::~ArcPackageSyncDataTypeController() {
 
 bool ArcPackageSyncDataTypeController::ReadyForStart() const {
   DCHECK(CalledOnValidThread());
-  return IsArcEnabled(profile_) && ShouldSyncArc();
+  // In sync integration test, always consider the DTC as ready for start.
+  return ArcAppListPrefsFactory::IsFactorySetForSyncTest() ||
+         (arc::IsArcPlayStoreEnabledForProfile(profile_) && ShouldSyncArc());
 }
 
 bool ArcPackageSyncDataTypeController::StartModels() {