Revert of Re-enable fetching component policies for login screen apps

chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h

Index: chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h
diff --git a/chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h b/chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h
index 6d3b35179c1c99c7c1e601cefae380aa454c53ad..7a30322ceee7f429be3d66b31bbfab09997e0834 100644
--- a/chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h
+++ b/chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h
@@ -123,12 +123,11 @@
   // associated with this schema registry.
   void SetSigninProfileSchemaRegistry(SchemaRegistry* schema_registry);
 
-  // Sets whether the component cloud policy should be disabled (by skipping
-  // the component cloud policy service creation).
-  void set_component_policy_disabled_for_testing(
-      bool component_policy_disabled_for_testing) {
-    component_policy_disabled_for_testing_ =
-        component_policy_disabled_for_testing;
+  // Sets whether the component cloud policy service should be created.
+  // Defaults to true.
+  void set_is_component_policy_enabled_for_testing(
+      bool is_component_policy_enabled) {
+    is_component_policy_enabled_ = is_component_policy_enabled;
   }
 
  private:
@@ -176,9 +175,12 @@
   std::unique_ptr<ForwardingSchemaRegistry>
       signin_profile_forwarding_schema_registry_;
 
-  // Whether the component cloud policy should be disabled (by skipping the
-  // component cloud policy service creation).
-  bool component_policy_disabled_for_testing_ = false;
+  // Whether the component cloud policy service should be created.
+  // TODO(emaxx): Change the default to true once both the client and the
+  // DMServer are ready for handling policy fetches with the
+  // google/chromeos/signinextension type. See crbug.com/666720,
+  // crbug.com/644304 for reference.
+  bool is_component_policy_enabled_ = false;
 
   base::ObserverList<Observer, true> observers_;