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

tools/OmahaCompatibility/common/error.h

-// Copyright 2008-2009 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_TOOLS_SRC_OMAHACOMPATIBILITY_COMMON_ERROR_H_
-#define OMAHA_TOOLS_SRC_OMAHACOMPATIBILITY_COMMON_ERROR_H_
-
-#include <windows.h>
-
-namespace omaha {
-
-// TODO(omaha): For now not using these, need to start using custom error codes.
-#define COMPATTEST_E_HANDLER_ALREADY_PRESENT            \
-  MAKE_HRESULT(SEVERITY_ERROR, FACILITY_ITF, 0x100)
-
-#define COMPATTEST_E_RESPONSE_NOT_FOUND                 \
-  MAKE_HRESULT(SEVERITY_ERROR, FACILITY_ITF, 0x101)
-
-}  // namespace omaha
-
-#endif  // OMAHA_TOOLS_SRC_OMAHACOMPATIBILITY_COMMON_ERROR_H_