Keep only base/extractor.[cc|h].

base/accounts.h

-// Copyright 2004-2009 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-// Enumeration of the user accounts on the PC.
-
-#ifndef OMAHA_COMMON_ACCOUNTS_H__
-#define OMAHA_COMMON_ACCOUNTS_H__
-
-#include <windows.h>
-#include <atlcoll.h>
-#include <atlstr.h>
-
-namespace omaha {
-
-namespace accounts {
-
-// Populates sid_array with string SIDs for all users, that have profiles
-// on PC. Includes only user SIDs, no groups, computers or aliases.
-HRESULT GetAllUserSids(CSimpleArray<CString>* sid_array);
-
-// Looks up account info for given SID.
-// sid - SID to look up account info for.
-// On success populates:
-// name - name on the account
-// domain - domain name for account
-// user_type - the type of the passed SID, possible values:
-//   SidTypeUser
-//   SidTypeGroup
-//   SidTypeDomain
-//   SidTypeAlias
-//   SidTypeWellKnownGroup
-//   SidTypeDeletedAccount
-//   SidTypeInvalid
-//   SidTypeUnknown
-//   SidTypeComputer
-HRESULT GetUserInfo(const wchar_t* sid,
-                    CString* name,
-                    CString* domain,
-                    SID_NAME_USE* user_type);
-
-}  // namespace accounts
-
-}  // namespace omaha
-
-#endif  // OMAHA_COMMON_ACCOUNTS_H__