Split up chrome/browser/policy subdirectory

chrome/browser/policy/app_pack_updater.h

Index: chrome/browser/policy/app_pack_updater.h
diff --git a/chrome/browser/policy/app_pack_updater.h b/chrome/browser/policy/app_pack_updater.h
deleted file mode 100644
index 142ec9aee05a3a4c0bce7636bf7e64a3a3312672..0000000000000000000000000000000000000000
--- a/chrome/browser/policy/app_pack_updater.h
+++ /dev/null
@@ -1,228 +0,0 @@
-// 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_APP_PACK_UPDATER_H_
-#define CHROME_BROWSER_POLICY_APP_PACK_UPDATER_H_
-
-#include <map>
-#include <set>
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/callback.h"
-#include "base/compiler_specific.h"
-#include "base/file_path.h"
-#include "base/memory/weak_ptr.h"
-#include "base/threading/sequenced_worker_pool.h"
-#include "chrome/browser/extensions/updater/extension_downloader_delegate.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-
-class GURL;
-
-namespace extensions {
-class CrxInstaller;
-class ExtensionDownloader;
-class ExternalLoader;
-}
-
-namespace net {
-class URLRequestContextGetter;
-}
-
-namespace tracked_objects {
-class Location;
-}
-
-namespace policy {
-
-class AppPackExternalLoader;
-class EnterpriseInstallAttributes;
-
-// The AppPackUpdater manages a set of extensions that are configured via a
-// device policy to be locally cached and installed into the Demo user account
-// at login time.
-class AppPackUpdater : public content::NotificationObserver,
-                       public extensions::ExtensionDownloaderDelegate {
- public:
-  // Callback to listen for updates to the screensaver extension's path.
-  typedef base::Callback<void(const FilePath&)> ScreenSaverUpdateCallback;
-
-  // Keys for the entries in the AppPack dictionary policy.
-  static const char kExtensionId[];
-  static const char kUpdateUrl[];
-
-  // The |request_context| is used for the update checks.
-  AppPackUpdater(net::URLRequestContextGetter* request_context,
-                 EnterpriseInstallAttributes* install_attributes);
-  virtual ~AppPackUpdater();
-
-  // Creates an extensions::ExternalLoader that will load the crx files
-  // downloaded by the AppPackUpdater. This can be called at most once, and the
-  // caller owns the returned value.
-  extensions::ExternalLoader* CreateExternalLoader();
-
-  // |callback| will be invoked whenever the screen saver extension's path
-  // changes. It will be invoked "soon" after this call if a valid path already
-  // exists. Subsequent calls will override the previous |callback|. A null
-  // |callback| can be used to remove a previous callback.
-  void SetScreenSaverUpdateCallback(const ScreenSaverUpdateCallback& callback);
-
-  // If a user of one of the AppPack's extensions detects that the extension
-  // is damaged then this method can be used to remove it from the cache and
-  // retry to download it after a restart.
-  void OnDamagedFileDetected(const FilePath& path);
-
- private:
-  struct CacheEntry {
-    std::string path;
-    std::string cached_version;
-  };
-
-  // Maps an extension ID to its update URL.
-  typedef std::map<std::string, std::string> PolicyEntryMap;
-
-  // Maps an extension ID to a CacheEntry.
-  typedef std::map<std::string, CacheEntry> CacheEntryMap;
-
-  void Init();
-
-  // content::NotificationObserver:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
-  // Loads the current policy and schedules a cache update.
-  void LoadPolicy();
-
-  // Starts a cache update check immediately.
-  void CheckCacheNow();
-
-  // Performs a cache update check on the blocking pool. |app_pack_updater| is
-  // used to reply in the UI thread. |valid_ids| contains the list of IDs that
-  // are currently configured by policy; anything else is invalid, and should
-  // be removed from the cache. |valid_ids| is owned by the posted task.
-  static void BlockingCheckCache(base::WeakPtr<AppPackUpdater> app_pack_updater,
-                                 const std::set<std::string>* valid_ids);
-
-  // Helper for BlockingCheckCache().
-  static void BlockingCheckCacheInternal(
-      const std::set<std::string>* valid_ids,
-      CacheEntryMap* entries);
-
-  // Invoked when the cache has been updated. |cache_entries| contains all the
-  // currently valid crx files in the cache, and is owned by the posted task.
-  void OnCacheUpdated(CacheEntryMap* cache_entries);
-
-  // Notifies the |extension_loader_| that the cache has been updated, providing
-  // it with an updated list of app-pack extensions.
-  void UpdateExtensionLoader();
-
-  // Schedules downloads of all the extensions that are currently configured
-  // by the policy but missing in the cache.
-  void DownloadMissingExtensions();
-
-  // Implementation of ExtensionDownloaderDelegate:
-
-  virtual void OnExtensionDownloadFailed(
-      const std::string& id,
-      Error error,
-      const PingResult& ping_result,
-      const std::set<int>& request_ids) OVERRIDE;
-
-  virtual void OnExtensionDownloadFinished(
-      const std::string& id,
-      const FilePath& path,
-      const GURL& download_url,
-      const std::string& version,
-      const PingResult& ping_result,
-      const std::set<int>& request_ids) OVERRIDE;
-
-  virtual void OnBlacklistDownloadFinished(
-      const std::string& data,
-      const std::string& package_hash,
-      const std::string& version,
-      const PingResult& ping_result,
-      const std::set<int>& request_ids) OVERRIDE;
-
-  virtual bool IsExtensionPending(const std::string& id) OVERRIDE;
-
-  virtual bool GetExtensionExistingVersion(const std::string& id,
-                                           std::string* version) OVERRIDE;
-
-  // Invoked to install the downloaded crx file at |path| in the AppPack cache.
-  static void BlockingInstallCacheEntry(
-      base::WeakPtr<AppPackUpdater> app_pack_updater,
-      const std::string& id,
-      const FilePath& path,
-      const std::string& version);
-
-  // Invoked on the UI thread when a new AppPack entry has been installed in
-  // the AppPack cache.
-  void OnCacheEntryInstalled(const std::string& id,
-                             const std::string& path,
-                             const std::string& version);
-
-  // Handles failure to install CRX files. The file is deleted if it came from
-  // the cache.
-  void OnCrxInstallFailed(extensions::CrxInstaller* installer);
-
-  // Helper to post blocking IO tasks to the blocking pool.
-  void PostBlockingTask(const tracked_objects::Location& from_here,
-                        const base::Closure& task);
-
-  // Sets |screen_saver_path_| and invokes |screen_saver_update_callback_| if
-  // appropriate.
-  void SetScreenSaverPath(const FilePath& path);
-
-  base::WeakPtrFactory<AppPackUpdater> weak_ptr_factory_;
-
-  // Observes failures to install CRX files.
-  content::NotificationRegistrar notification_registrar_;
-
-  // Unique sequence token so that tasks posted by the AppPackUpdater are
-  // executed sequentially in the blocking pool.
-  base::SequencedWorkerPool::SequenceToken worker_pool_token_;
-
-  // Whether the updater has initialized. This is only done if the device is in
-  // kiosk mode and the app pack policy is present.
-  bool initialized_;
-
-  // This is the list of extensions currently configured by the policy.
-  PolicyEntryMap app_pack_extensions_;
-
-  // This contains extensions that are both currently configured by the policy
-  // and that have a valid crx in the cache.
-  CacheEntryMap cached_extensions_;
-
-  // The extension ID and path of the CRX file of the screen saver extension,
-  // if it is configured by the policy. Otherwise these fields are empty.
-  std::string screen_saver_id_;
-  FilePath screen_saver_path_;
-
-  // Callback to invoke whenever the screen saver's extension path changes.
-  // Can be null.
-  ScreenSaverUpdateCallback screen_saver_update_callback_;
-
-  // The extension loader wires the AppPackUpdater to the extensions system, and
-  // makes it install the currently cached extensions.
-  bool created_extension_loader_;
-  base::WeakPtr<AppPackExternalLoader> extension_loader_;
-
-  // Used to download the extensions configured via policy, and to check for
-  // updates.
-  scoped_ptr<extensions::ExtensionDownloader> downloader_;
-
-  // Request context used by the |downloader_|.
-  net::URLRequestContextGetter* request_context_;
-
-  // For checking the device mode.
-  EnterpriseInstallAttributes* install_attributes_;
-
-  DISALLOW_COPY_AND_ASSIGN(AppPackUpdater);
-};
-
-}  // namespace policy
-
-#endif  // CHROME_BROWSER_POLICY_APP_PACK_UPDATER_H_