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

base/commontypes.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.
-// ========================================================================
-
-// TODO(omaha): Maybe eliminate this file or at least rename it.
-
-#ifndef OMAHA_BASE_COMMONTYPES_H_
-#define OMAHA_BASE_COMMONTYPES_H_
-
-namespace omaha {
-
-// Isolate some VisualC++-isms to macros for easy redefinition
-#define SELECTANY __declspec(selectany)
-#define DLLIMPORT __declspec(dllimport)
-#define DLLEXPORT __declspec(dllexport)
-
-// Put this around string literals that don't need to be localized
-// to indicate this fact.  Note that you don't need to do this for string
-// literals used in functions where they obviously don't need to be localized,
-// such as REPORT(), XXX_LOG(), CHK(), ASSERT(), VERIFY(), TRACE(), dbgprint(),
-// OutputDebugString(), GetProcAddress(), GetModuleHandle(), etc.
-//
-// For large blocks of non-localizable string literals, you can use a comment
-// line including "SKIP_LOC_BEGIN" to start a non-localizable section of
-// your file, and "SKIP_LOC_END" to end the section.
-//
-// Don't worry about NOTRANSL or the SKIP_LOC blocks in unit tests, experimental
-// code, etc. as they are ignored when checking for localizable string literals.
-#define NOTRANSL(x) x
-
-}  // namespace omaha
-
-#endif  // OMAHA_BASE_COMMONTYPES_H_