ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
pref_service_.reset(new TestingPrefServiceSimple);
test_util::RegisterDrivePrefs(pref_service_->registry());
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
pref_service_.reset(new TestingPrefServiceSimple);
test_util::RegisterDrivePrefs(pref_service_->registry());