"up-to-date" should only use hyphens when used as compound modifier of a noun

components/policy/core/common/cloud/policy_header_service.h

 // Copyright 2013 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_POLICY_HEADER_SERVICE_H_
 #define COMPONENTS_POLICY_CORE_COMMON_CLOUD_POLICY_HEADER_SERVICE_H_
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "components/policy/core/common/cloud/cloud_policy_store.h"
 #include "components/policy/policy_export.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace policy {
 
 class PolicyHeaderIOHelper;
 
 // Per-profile service used to generate PolicyHeaderIOHelper objects, and
-// keep them up-to-date as policy changes.
+// keep them up to date as policy changes.
 // TODO(atwilson): Move to components/policy once CloudPolicyStore is moved.
 class POLICY_EXPORT PolicyHeaderService : public CloudPolicyStore::Observer {
  public:
   // |device_policy_store| can be null on platforms that do not support
   // device policy. Both |user_policy_store| and |device_policy_store| must
   // outlive this object.
   PolicyHeaderService(const std::string& server_url,
                       const std::string& verification_key_hash,
                       CloudPolicyStore* user_policy_store,
                       CloudPolicyStore* device_policy_store);
@@ skipping 30 matching lines @@
   // Weak pointers to User-/Device-level policy stores.
   CloudPolicyStore* user_policy_store_;
   CloudPolicyStore* device_policy_store_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyHeaderService);
 };
 
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_COMMON_CLOUD_POLICY_HEADER_SERVICE_H_