Add policy domain for signin screen apps

components/policy/core/common/cloud/component_cloud_policy_service_unittest.cc

Index: components/policy/core/common/cloud/component_cloud_policy_service_unittest.cc
diff --git a/components/policy/core/common/cloud/component_cloud_policy_service_unittest.cc b/components/policy/core/common/cloud/component_cloud_policy_service_unittest.cc
index fe04f3a0db28fc27a90711a86fb418a5918a4200..3fb519282e7186b416a76258a1782991a8b0fde7 100644
--- a/components/policy/core/common/cloud/component_cloud_policy_service_unittest.cc
+++ b/components/policy/core/common/cloud/component_cloud_policy_service_unittest.cc
@@ -149,8 +149,9 @@ class ComponentCloudPolicyServiceTest : public testing::Test {
   void Connect() {
     client_ = new MockCloudPolicyClient();
     service_.reset(new ComponentCloudPolicyService(
-        &delegate_, &registry_, &core_, client_, std::move(owned_cache_),
-        request_context_, loop_.task_runner(), loop_.task_runner()));
+        dm_protocol::kChromeExtensionPolicyType, &delegate_, &registry_, &core_,
+        client_, std::move(owned_cache_), request_context_, loop_.task_runner(),
+        loop_.task_runner()));
 
     client_->SetDMToken(ComponentPolicyBuilder::kFakeToken);
     EXPECT_EQ(1u, client_->types_to_fetch_.size());
@@ -185,6 +186,7 @@ class ComponentCloudPolicyServiceTest : public testing::Test {
         CreateTestSchema());
     registry_.SetReady(POLICY_DOMAIN_CHROME);
     registry_.SetReady(POLICY_DOMAIN_EXTENSIONS);
+    registry_.SetReady(POLICY_DOMAIN_SIGNIN_EXTENSIONS);
   }
 
   void PopulateCache() {
@@ -313,6 +315,7 @@ TEST_F(ComponentCloudPolicyServiceTest, FetchPolicy) {
   EXPECT_CALL(*client_, FetchPolicy()).Times(0);
   registry_.SetReady(POLICY_DOMAIN_CHROME);
   registry_.SetReady(POLICY_DOMAIN_EXTENSIONS);
+  registry_.SetReady(POLICY_DOMAIN_SIGNIN_EXTENSIONS);
   LoadStore();
   Mock::VerifyAndClearExpectations(client_);
   Mock::VerifyAndClearExpectations(&delegate_);
@@ -399,6 +402,7 @@ TEST_F(ComponentCloudPolicyServiceTest, LoadAndPurgeCache) {
 TEST_F(ComponentCloudPolicyServiceTest, SignInAfterStartup) {
   registry_.SetReady(POLICY_DOMAIN_CHROME);
   registry_.SetReady(POLICY_DOMAIN_EXTENSIONS);
+  registry_.SetReady(POLICY_DOMAIN_SIGNIN_EXTENSIONS);
 
   // Initialize the store without credentials.
   EXPECT_FALSE(store_.is_initialized());