Added UserCloudPolicyManager::ShutdownAndRemovePolicy()

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 69 matching lines @@
   // generate OnStoreError() notifications.
   virtual void Store(
       const enterprise_management::PolicyFetchResponse& policy) = 0;
 
   // Load the current policy blob from persistent storage. This may trigger
   // asynchronous operations. Upon success, OnStoreLoaded() will be called on
   // the registered observers. Otherwise, OnStoreError() reports the reason for
   // failure.
   virtual void Load() = 0;
 
+  // Deletes any existing policy blob and notifies observers via OnStoreLoaded()
+  // that the blob has changed. Virtual for mocks.
+  virtual void Clear();
+
   // Registers an observer to be notified when policy changes.
   void AddObserver(Observer* observer);
 
   // Removes the specified observer.
   void RemoveObserver(Observer* observer);
 
   // Factory method to create a CloudPolicyStore appropriate for the current
   // platform, for storing user policy for the user associated with the passed
   // |profile|. Implementation is defined in the individual platform store
   // files.
   static scoped_ptr<CloudPolicyStore> CreateUserPolicyStore(Profile* profile);
 
  protected:
   // Invokes the corresponding callback on all registered observers.
   void NotifyStoreLoaded();
   void NotifyStoreError();
 
+  // Invoked by Clear() to remove stored policy.
+  virtual void RemoveStoredPolicy() = 0;
+
   // Decoded version of the currently effective policy.
   PolicyMap policy_map_;
 
   // Currently effective policy.
   scoped_ptr<enterprise_management::PolicyData> policy_;
 
   // Latest status code.
   Status status_;
 
   // Latest validation status.
   CloudPolicyValidatorBase::Status validation_status_;
 
  private:
   // Whether the store has completed asynchronous initialization, which is
   // triggered by calling Load().
   bool is_initialized_;
 
   ObserverList<Observer, true> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudPolicyStore);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CLOUD_POLICY_STORE_H_