Revert 176015

chrome/browser/extensions/api/storage/settings_frontend.h

Index: chrome/browser/extensions/api/storage/settings_frontend.h
===================================================================
--- chrome/browser/extensions/api/storage/settings_frontend.h	(revision 176046)
+++ chrome/browser/extensions/api/storage/settings_frontend.h	(working copy)
@@ -1,93 +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_EXTENSIONS_API_STORAGE_SETTINGS_FRONTEND_H_
-#define CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_FRONTEND_H_
-
-#include <map>
-#include <string>
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "chrome/browser/extensions/api/storage/settings_namespace.h"
-#include "chrome/browser/extensions/api/storage/settings_observer.h"
-#include "chrome/browser/extensions/api/storage/settings_storage_factory.h"
-#include "chrome/browser/extensions/api/storage/settings_storage_quota_enforcer.h"
-#include "chrome/browser/extensions/api/storage/value_store_cache.h"
-#include "sync/api/syncable_service.h"
-
-class Profile;
-
-namespace extensions {
-
-// The component of extension settings which runs on the UI thread, as opposed
-// to SettingsBackend which lives on the FILE thread.
-// All public methods, must be called on the UI thread, with the exception of
-// GetBackendForSync(), which must be called on the FILE thread.
-class SettingsFrontend {
- public:
-  // Creates with the default factory.
-  static SettingsFrontend* Create(Profile* profile);
-
-  // Creates with a specific factory |storage_factory| (presumably for tests).
-  static SettingsFrontend* Create(
-      const scoped_refptr<SettingsStorageFactory>& storage_factory,
-      Profile* profile);
-
-  virtual ~SettingsFrontend();
-
-  // Must only be called from the FILE thread. |type| should be either
-  // APP_SETTINGS or EXTENSION_SETTINGS.
-  syncer::SyncableService* GetBackendForSync(syncer::ModelType type) const;
-
-  // Returns true if |settings_namespace| is a valid namespace.
-  bool IsStorageEnabled(settings_namespace::Namespace settings_namespace) const;
-
-  // Runs |callback| with the storage area of the given |settings_namespace|
-  // for the |extension_id|.
-  void RunWithStorage(
-      const std::string& extension_id,
-      settings_namespace::Namespace settings_namespace,
-      const ValueStoreCache::StorageCallback& callback);
-
-  // Deletes the settings for the given |extension_id|.
-  void DeleteStorageSoon(const std::string& extension_id);
-
-  // Gets the thread-safe observer list.
-  scoped_refptr<SettingsObserverList> GetObservers();
-
-  void DisableStorageForTesting(
-      settings_namespace::Namespace settings_namespace);
-
- private:
-  typedef std::map<settings_namespace::Namespace, ValueStoreCache*> CacheMap;
-
-  SettingsFrontend(
-      const scoped_refptr<SettingsStorageFactory>& storage_factory,
-      Profile* profile);
-
-  // The quota limit configurations for the local and sync areas, taken out of
-  // the schema in chrome/common/extensions/api/storage.json.
-  const SettingsStorageQuotaEnforcer::Limits local_quota_limit_;
-  const SettingsStorageQuotaEnforcer::Limits sync_quota_limit_;
-
-  // The (non-incognito) Profile this Frontend belongs to.
-  Profile* const profile_;
-
-  // List of observers to settings changes.
-  scoped_refptr<SettingsObserverList> observers_;
-
-  // Observer for |profile_|.
-  scoped_ptr<SettingsObserver> profile_observer_;
-
-  // Maps a known namespace to its corresponding ValueStoreCache. The caches
-  // are owned by this object.
-  CacheMap caches_;
-
-  DISALLOW_COPY_AND_ASSIGN(SettingsFrontend);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_FRONTEND_H_