Enable fetching of admin policies for login screen apps

chrome/browser/extensions/api/storage/managed_value_store_cache.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_EXTENSIONS_API_STORAGE_MANAGED_VALUE_STORE_CACHE_H_
 #define CHROME_BROWSER_EXTENSIONS_API_STORAGE_MANAGED_VALUE_STORE_CACHE_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 46 matching lines @@
       const StorageCallback& callback,
       scoped_refptr<const Extension> extension) override;
   void DeleteStorageSoon(const std::string& extension_id) override;
 
   // PolicyService::Observer implementation:
   void OnPolicyServiceInitialized(policy::PolicyDomain domain) override;
   void OnPolicyUpdated(const policy::PolicyNamespace& ns,
                        const policy::PolicyMap& previous,
                        const policy::PolicyMap& current) override;
 
+  // Returns the policy domain that should be used for the specified profile.
+  static policy::PolicyDomain GetPolicyDomain(Profile* profile);
+
   // Posted by OnPolicyUpdated() to update a PolicyValueStore on the FILE
   // thread.
   void UpdatePolicyOnFILE(const std::string& extension_id,
                           std::unique_ptr<policy::PolicyMap> current_policy);
 
   // Returns an existing PolicyValueStore for |extension_id|, or NULL.
   PolicyValueStore* GetStoreFor(const std::string& extension_id);
 
   // Returns true if a backing store has been created for |extension_id|.
   bool HasStore(const std::string& extension_id) const;
@@ skipping 20 matching lines @@
   // All the PolicyValueStores live on the FILE thread, and |store_map_| can be
   // accessed only on the FILE thread as well.
   std::map<std::string, std::unique_ptr<PolicyValueStore>> store_map_;
 
   DISALLOW_COPY_AND_ASSIGN(ManagedValueStoreCache);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_STORAGE_MANAGED_VALUE_STORE_CACHE_H_