Implement new-style CloudPolicyStore for Chrome OS device policy.

chrome/browser/policy/cloud_policy_store.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_POLICY_CLOUD_POLICY_STORE_H_
 #define CHROME_BROWSER_POLICY_CLOUD_POLICY_STORE_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
@@ skipping 18 matching lines @@
     // Loading policy from the underlying data store failed.
     STATUS_LOAD_ERROR,
     // Failed to store policy to the data store.
     STATUS_STORE_ERROR,
     // Failed to parse the policy read from the data store.
     STATUS_PARSE_ERROR,
     // Failed to serialize policy for storage.
     STATUS_SERIALIZE_ERROR,
     // Validation error.
     STATUS_VALIDATION_ERROR,
+    // Store cannot accept policy (e.g. non-enterprise device).
+    STATUS_BAD_STATE,
   };
 
   // Callbacks for policy store events. Most importantly, policy updates.
   class Observer {
    public:
     virtual ~Observer();
 
     // Called on changes to store->policy() and/or store->policy_map().
     virtual void OnStoreLoaded(CloudPolicyStore* store) = 0;
 
@@ skipping 80 matching lines @@
   bool is_initialized_;
 
   ObserverList<Observer, true> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudPolicyStore);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CLOUD_POLICY_STORE_H_