Remove unnecessary plumbing for policy verification key

components/policy/core/common/cloud/cloud_policy_constants.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 COMPONENTS_POLICY_CORE_COMMON_CLOUD_CLOUD_POLICY_CONSTANTS_H_
 #define COMPONENTS_POLICY_CORE_COMMON_CLOUD_CLOUD_POLICY_CONSTANTS_H_
 
 #include <string>
 
 #include "components/policy/policy_export.h"
@@ skipping 44 matching lines @@
 enum PolicyFetchStatus {
   POLICY_FETCH_SUCCESS = 200,
   POLICY_FETCH_ERROR_NOT_FOUND = 902,
 };
 
 }  // namespace dm_protocol
 
 // The header used to transmit the policy ID for this client.
 POLICY_EXPORT extern const char kChromePolicyHeader[];
 
-// Information about the verification key used to verify that policy signing
-// keys are valid.
+// Public half of the verification key that is used to verify that policy
+// signing keys are originating from DM server.  Returns empty string in case
+// policy key verification is disabled on the command line.
 POLICY_EXPORT std::string GetPolicyVerificationKey();
+
+// Corresponding hash.
 POLICY_EXPORT extern const char kPolicyVerificationKeyHash[];
 
 // Status codes for communication errors with the device management service.
 // This enum is used to define the buckets for an enumerated UMA histogram.
 // Hence,
 //   (a) existing enumerated constants should never be deleted or reordered, and
 //   (b) new constants should only be appended at the end of the enumeration.
 enum DeviceManagementStatus {
   // All is good.
   DM_STATUS_SUCCESS = 0,
@@ skipping 48 matching lines @@
                                    // appropriate action (currently, launching
                                    // offline demo mode).
   DEVICE_MODE_CONSUMER_KIOSK_AUTOLAUNCH,  // The device is locally owned as
                                           // consumer kiosk with ability to auto
                                           // launch a kiosk webapp.
 };
 
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_COMMON_CLOUD_CLOUD_POLICY_CONSTANTS_H_