Revert 229896 "Cache force-installed apps/extensions in device-l..."

trunk/src/chrome/browser/chromeos/extensions/device_local_account_external_policy_loader.h

Index: trunk/src/chrome/browser/chromeos/extensions/device_local_account_external_policy_loader.h
===================================================================
--- trunk/src/chrome/browser/chromeos/extensions/device_local_account_external_policy_loader.h	(revision 229896)
+++ trunk/src/chrome/browser/chromeos/extensions/device_local_account_external_policy_loader.h	(working copy)
@@ -1,78 +0,0 @@
-// 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 CHROME_BROWSER_CHROMEOS_EXTENSIONS_DEVICE_LOCAL_ACCOUNT_EXTERNAL_POLICY_LOADER_H_
-#define CHROME_BROWSER_CHROMEOS_EXTENSIONS_DEVICE_LOCAL_ACCOUNT_EXTERNAL_POLICY_LOADER_H_
-
-#include "base/basictypes.h"
-#include "base/callback_forward.h"
-#include "base/compiler_specific.h"
-#include "base/files/file_path.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/sequenced_task_runner.h"
-#include "chrome/browser/chromeos/extensions/external_cache.h"
-#include "chrome/browser/extensions/external_loader.h"
-#include "chrome/browser/policy/cloud/cloud_policy_store.h"
-
-namespace chromeos {
-
-// A specialization of the ExternalLoader that serves external extensions from
-// the enterprise policy force-install list. This class is used for device-local
-// accounts in place of the ExternalPolicyLoader. The difference is that while
-// the ExternalPolicyLoader requires extensions to be downloaded on-the-fly,
-// this class caches them, allowing for offline installation.
-class DeviceLocalAccountExternalPolicyLoader
-    : public extensions::ExternalLoader,
-      public policy::CloudPolicyStore::Observer,
-      public ExternalCache::Delegate {
- public:
-  // The list of force-installed extensions will be read from |store| and the
-  // extensions will be cached in the |cache_dir_|.
-  DeviceLocalAccountExternalPolicyLoader(policy::CloudPolicyStore* store,
-                                         const base::FilePath& cache_dir);
-
-  // While running, the cache requires exclusive write access to the
-  // |cache_dir_|.
-  bool IsCacheRunning() const;
-
-  // Start the cache. This method must only be invoked when there are no pending
-  // write operations to |cache_dir_| on any thread and none will be initiated
-  // while the cache is running.
-  void StartCache(
-      const scoped_refptr<base::SequencedTaskRunner>& cache_task_runner);
-
-  // Stop the cache. The |callback| will be invoked when the cache has shut down
-  // completely and write access to the |cache_dir_| is permitted again.
-  void StopCache(const base::Closure& callback);
-
-  // extensions::ExternalLoader:
-  virtual void StartLoading() OVERRIDE;
-
-  // policy::CloudPolicyStore::Observer:
-  virtual void OnStoreLoaded(policy::CloudPolicyStore* store) OVERRIDE;
-  virtual void OnStoreError(policy::CloudPolicyStore* store) OVERRIDE;
-
-  // ExternalCache::Delegate:
-  virtual void OnExtensionListsUpdated(
-      const base::DictionaryValue* prefs) OVERRIDE;
-
- private:
-  // If the cache was started, it must be stopped before |this| is destroyed.
-  virtual ~DeviceLocalAccountExternalPolicyLoader();
-
-  // Pass the current list of force-installed extensions from the |store_| to
-  // the |external_cache_|.
-  void UpdateExtensionListFromStore();
-
-  policy::CloudPolicyStore* store_;
-  const base::FilePath cache_dir_;
-  scoped_ptr<ExternalCache> external_cache_;
-
-  DISALLOW_COPY_AND_ASSIGN(DeviceLocalAccountExternalPolicyLoader);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_DEVICE_LOCAL_ACCOUNT_EXTERNAL_POLICY_LOADER_H_