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

chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_CLOUD_POLICY_MANAGER_CHROMEOS_H_
 #define CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_CLOUD_POLICY_MANAGER_CHROMEOS_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 105 matching lines @@
   // policy server.
   StatusUploader* GetStatusUploader() const { return status_uploader_.get(); }
 
   // Passes the pointer to the schema registry that corresponds to the signin
   // profile.
   //
   // After this method is called, the component cloud policy manager becomes
   // 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:
   // Saves the state keys received from |session_manager_client_|.
   void OnStateKeysUpdated();
 
   // Initializes requisition settings at OOBE with values from VPD.
   void InitializeRequisition();
 
   void NotifyConnected();
@@ skipping 27 matching lines @@
   PrefService* local_state_;
 
   std::unique_ptr<chromeos::attestation::AttestationPolicyObserver>
       attestation_policy_observer_;
 
   // Wrapper schema registry that will track the signin profile schema registry
   // once it is passed to this class.
   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_;
 
   DISALLOW_COPY_AND_ASSIGN(DeviceCloudPolicyManagerChromeOS);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_CLOUD_POLICY_MANAGER_CHROMEOS_H_