Move each permission classes to its own files in extensions/permissions

chrome/common/extensions/permissions/permissions_info.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_COMMON_EXTENSIONS_PERMISSIONS_PERMISSIONS_INFO_H_
+#define CHROME_COMMON_EXTENSIONS_PERMISSIONS_PERMISSIONS_INFO_H_
+#pragma once
+
+#include <map>
+#include <set>
+#include <string>
+
+#include "base/memory/singleton.h"
+#include "chrome/common/extensions/permissions/api_permission.h"
+#include "chrome/common/extensions/permissions/permission_message.h"
+
+namespace extensions {
+
+// Singleton that holds the extension permission instances and provides static
+// methods for accessing them.
+class PermissionsInfo {
+ public:
+  // Returns a pointer to the singleton instance.
+  static PermissionsInfo* GetInstance();
+
+  // Returns the permission with the given |id|, and NULL if it doesn't exist.
+  APIPermission* GetByID(APIPermission::ID id);
+
+  // Returns the permission with the given |name|, and NULL if none
+  // exists.
+  APIPermission* GetByName(const std::string& name);
+
+  // Returns a set containing all valid api permission ids.
+  APIPermissionSet GetAll();
+
+  // Converts all the permission names in |permission_names| to permission ids.
+  APIPermissionSet GetAllByName(
+      const std::set<std::string>& permission_names);
+
+  // Gets the total number of API permissions.
+  size_t get_permission_count() { return permission_count_; }
+
+ private:
+  friend class APIPermission;
+
+  ~PermissionsInfo();
+  PermissionsInfo();
+
+  // Registers an |alias| for a given permission |name|.
+  void RegisterAlias(const char* name, const char* alias);
+
+  // Registers a permission with the specified attributes and flags.
+  APIPermission* RegisterPermission(
+      APIPermission::ID id,
+      const char* name,
+      int l10n_message_id,
+      PermissionMessage::ID message_id,
+      int flags);
+
+  // Maps permission ids to permissions.
+  typedef std::map<APIPermission::ID, APIPermission*> IDMap;
+
+  // Maps names and aliases to permissions.
+  typedef std::map<std::string, APIPermission*> NameMap;
+
+  IDMap id_map_;
+  NameMap name_map_;
+
+  size_t hosted_app_permission_count_;
+  size_t permission_count_;
+
+  friend struct DefaultSingletonTraits<PermissionsInfo>;
+  DISALLOW_COPY_AND_ASSIGN(PermissionsInfo);
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_COMMON_EXTENSIONS_PERMISSIONS_PERMISSIONS_INFO_H_