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

base/file_ver.h

-// Copyright 2003-2009 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.
-// ========================================================================
-
-#ifndef OMAHA_COMMON_FILE_VER_H_
-#define OMAHA_COMMON_FILE_VER_H_
-
-#include <windows.h>
-#include <tchar.h>
-#include <atlstr.h>
-#include "base/basictypes.h"
-
-namespace omaha {
-
-class FileVer {
- public:
-  FileVer();
-  ~FileVer();
-
-  // opens the version info for the specified file
-  BOOL Open(const TCHAR* lpszModuleName);
-
-  // Cleanup
-  void Close();
-
-  // Query for a given vlaue
-  CString QueryValue(const TCHAR* lpszValueName) const;
-
-  // Shortcuts for common values
-  CString GetFileDescription() const {return QueryValue(_T("FileDescription"));}
-  CString GetFileVersion() const     {return QueryValue(_T("FileVersion"));    }
-  CString GetCompanyName() const     {return QueryValue(_T("CompanyName"));    }
-  CString GetProductName() const     {return QueryValue(_T("ProductName"));    }
-  CString GetProductVersion() const  {return QueryValue(_T("ProductVersion")); }
-
-  // gets the FIXEDFILEINFO datastructure
-  BOOL GetFixedInfo(VS_FIXEDFILEINFO& vsffi) const;   // NOLINT
-
-  // returns a formated string representing the file and product versions
-  // e.g. 2.4.124.34
-  CString FormatFixedFileVersion() const;
-  CString FormatFixedProductVersion() const;
-
-  // Returns a ULONGLONG containing the version in DLL version format.
-  ULONGLONG GetFileVersionAsULONGLONG() const;
-
-  // gets the language ID
-  LCID GetLanguageID() const         { return HIWORD(lang_charset_); }
-
- private:
-  // versioning data returned by GetFileVersionInfo
-  byte*  file_ver_data_;
-
-  // language charset
-  DWORD   lang_charset_;
-
-  DISALLOW_EVIL_CONSTRUCTORS(FileVer);
-};
-
-}  // namespace omaha
-
-#endif  // OMAHA_COMMON_FILE_VER_H_