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

base/pe_utils.h

-// Copyright 2005-2009 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.
-// ========================================================================
-//
-// Utility functions related to PE files (executables)
-
-#ifndef OMAHA_COMMON_PE_UTILS_H_
-#define OMAHA_COMMON_PE_UTILS_H_
-
-#include <windows.h>
-#include "base/basictypes.h"
-
-namespace omaha {
-
-HRESULT SetPEChecksum(const TCHAR *filename, uint32 checksum);
-
-HRESULT SetPEChecksumToBuffer(unsigned char *buffer,
-                              size_t size, uint32 checksum);
-
-HRESULT GetPEChecksum(const TCHAR *filename, uint32 * checksum);
-
-HRESULT GetPEChecksumFromBuffer(const unsigned char *buffer,
-                                size_t size,
-                                uint32 *checksum);
-
-}  // namespace omaha
-
-#endif  // OMAHA_COMMON_PE_UTILS_H_