Migrate Obsolete NotificationsSettings and remove content_settings::NotificationsProvider.

chrome/browser/notifications/notifications_prefs_cache.h

-// Copyright (c) 2011 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_NOTIFICATIONS_NOTIFICATIONS_PREFS_CACHE_H_
-#define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATIONS_PREFS_CACHE_H_
-#pragma once
-
-#include <set>
-#include <vector>
-
-#include "base/memory/ref_counted.h"
-#include "chrome/common/content_settings.h"
-#include "googleurl/src/gurl.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebNotificationPresenter.h"
-
-namespace base {
-class ListValue;
-}
-
-// Class which caches notification preferences.
-// Construction occurs on the UI thread when the contents
-// of the profile preferences are initialized.  Once is_initialized() is set,
-// access can only be done from the IO thread.
-class NotificationsPrefsCache
-    : public base::RefCountedThreadSafe<NotificationsPrefsCache> {
- public:
-  NotificationsPrefsCache();
-
-  // Once is_initialized() is set, all accesses must happen on the IO thread.
-  // Before that, all accesses need to happen on the UI thread.
-  void set_is_initialized(bool val) { is_initialized_ = val; }
-  bool is_initialized() { return is_initialized_; }
-
-  // Checks to see if a given origin has permission to create desktop
-  // notifications.
-  WebKit::WebNotificationPresenter::Permission
-      HasPermission(const GURL& origin);
-
-  // Updates the cache with a new origin allowed or denied.
-  void CacheAllowedOrigin(const GURL& origin);
-  void CacheDeniedOrigin(const GURL& origin);
-
-  // Set the cache to the supplied values.  This clears the current
-  // contents of the cache.
-  void SetCacheAllowedOrigins(const std::vector<GURL>& allowed);
-  void SetCacheDeniedOrigins(const std::vector<GURL>& denied);
-  void SetCacheDefaultContentSetting(ContentSetting setting);
-
-  static void ListValueToGurlVector(const base::ListValue& origin_list,
-                                    std::vector<GURL>* origin_vector);
-
-  // Exposed for testing.
-  ContentSetting CachedDefaultContentSetting() {
-    return default_content_setting_;
-  }
-
- private:
-  friend class base::RefCountedThreadSafe<NotificationsPrefsCache>;
-
-  virtual ~NotificationsPrefsCache();
-
-  // Helper functions which read preferences.
-  bool IsOriginAllowed(const GURL& origin);
-  bool IsOriginDenied(const GURL& origin);
-
-  // Helper that ensures we are running on the expected thread.
-  void CheckThreadAccess();
-
-  // Storage of the actual preferences.
-  std::set<GURL> allowed_origins_;
-  std::set<GURL> denied_origins_;
-
-  // The default setting, used for origins that are neither in
-  // |allowed_origins_| nor |denied_origins_|.
-  ContentSetting default_content_setting_;
-
-  // Set to true once the initial cached settings have been completely read.
-  // Once this is done, the class can no longer be accessed on the UI thread.
-  bool is_initialized_;
-
-  DISALLOW_COPY_AND_ASSIGN(NotificationsPrefsCache);
-};
-
-#endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATIONS_PREFS_CACHE_H_