Purge cache when the server removes the policy for an extension.

chrome/browser/chromeos/policy/device_local_account_policy_service.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_LOCAL_ACCOUNT_POLICY_SERVICE_H_
 #define CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_LOCAL_ACCOUNT_POLICY_SERVICE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 94 matching lines @@
 
   // CloudPolicyStore::Observer:
   virtual void OnStoreLoaded(CloudPolicyStore* store) override;
   virtual void OnStoreError(CloudPolicyStore* store) override;
 
   // ComponentCloudPolicyService::Delegate:
   virtual void OnComponentCloudPolicyUpdated() override;
 
  private:
   void CreateComponentCloudPolicyService(
-      const scoped_refptr<net::URLRequestContextGetter>& request_context);
+      const scoped_refptr<net::URLRequestContextGetter>& request_context,
+      CloudPolicyClient* client);
 
   const std::string account_id_;
   const std::string user_id_;
   const base::FilePath component_policy_cache_path_;
   SchemaRegistry schema_registry_;
   const scoped_ptr<DeviceLocalAccountPolicyStore> store_;
   DeviceLocalAccountExtensionTracker extension_tracker_;
   scoped_refptr<DeviceLocalAccountExternalDataManager> external_data_manager_;
   scoped_refptr<chromeos::DeviceLocalAccountExternalPolicyLoader>
       extension_loader_;
@@ skipping 139 matching lines @@
   base::FilePath component_policy_cache_root_;
 
   base::WeakPtrFactory<DeviceLocalAccountPolicyService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DeviceLocalAccountPolicyService);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_LOCAL_ACCOUNT_POLICY_SERVICE_H_