Extract permission alias info from PermissionsProvider

chrome/common/extensions/permissions/chrome_api_permissions.cc

 // Copyright (c) 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.
 
 #include "chrome/common/extensions/permissions/chrome_api_permissions.h"
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "extensions/common/permissions/api_permission.h"
 #include "extensions/common/permissions/api_permission_set.h"
 #include "extensions/common/permissions/media_galleries_permission.h"
 #include "extensions/common/permissions/permissions_info.h"
 #include "extensions/common/permissions/settings_override_permission.h"
 
 namespace extensions {
 
 namespace {
 
-const char kWindowsPermission[] = "windows";
-
 template <typename T>
 APIPermission* CreateAPIPermission(const APIPermissionInfo* permission) {
   return new T(permission);
 }
 
 }  // namespace
 
 std::vector<std::unique_ptr<APIPermissionInfo>>
 ChromeAPIPermissions::GetAllPermissions() const {
   // WARNING: If you are modifying a permission message in this list, be sure to
@@ skipping 224 matching lines @@
   };
 
   std::vector<std::unique_ptr<APIPermissionInfo>> permissions;
 
   for (size_t i = 0; i < arraysize(permissions_to_register); ++i)
     permissions.push_back(
         base::WrapUnique(new APIPermissionInfo(permissions_to_register[i])));
   return permissions;
 }
 
-std::vector<PermissionsProvider::AliasInfo>
-ChromeAPIPermissions::GetAllAliases() const {
-  // Register aliases.
-  std::vector<PermissionsProvider::AliasInfo> aliases;
-  aliases.push_back(PermissionsProvider::AliasInfo("tabs", kWindowsPermission));
-  return aliases;
-}
-
 }  // namespace extensions