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

base/error.cc

-// 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.
-// ========================================================================
-
-#include "omaha/base/error.h"
-#include <winhttp.h>
-#include "base/basictypes.h"
-#include "omaha/base/crash_if_specific_error.h"
-#include "omaha/base/debug.h"
-
-namespace omaha {
-
-int g_error_extra_code1 = 0;
-
-int error_extra_code1() {
-  return g_error_extra_code1;
-}
-
-void set_error_extra_code1(int extra_code) {
-  g_error_extra_code1 = extra_code;
-}
-
-HRESULT HRESULTFromLastError() {
-  DWORD error_code = ::GetLastError();
-  ASSERT1(error_code != NO_ERROR);
-  HRESULT hr = error_code != NO_ERROR ? HRESULT_FROM_WIN32(error_code) : E_FAIL;
-  CRASH_IF_SPECIFIC_ERROR(hr);
-  return hr;
-}
-
-HRESULT HRESULTFromHttpStatusCode(int status_code) {
-  COMPILE_ASSERT(GOOPDATE_E_NETWORK_FIRST + HTTP_STATUS_LAST <
-                 GOOPDATE_E_NETWORK_LAST,
-                 GOOPDATE_E_NETWORK_LAST_too_small);
-  HRESULT hr = S_OK;
-  if (HTTP_STATUS_FIRST <= status_code && status_code <= HTTP_STATUS_LAST) {
-    hr = GOOPDATE_E_NETWORK_FIRST + status_code;
-  } else {
-    hr = GOOPDATE_E_NETWORK_LAST;
-  }
-  ASSERT1(HRESULT_FACILITY(hr) == FACILITY_ITF);
-  return hr;
-}
-
-}  // namespace omaha
-