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

statsreport/util-win32.h

-// Copyright 2006-2009 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 for Win32 stats aggregation and uploading
-#ifndef OMAHA_STATSREPORT_UTIL_WIN32_H__
-#define OMAHA_STATSREPORT_UTIL_WIN32_H__
-
-namespace stats_report {
-
-template <class ValueType>
-bool GetData(CRegKey &parent, const wchar_t *value_name, ValueType *value) {
-  ULONG len = sizeof(ValueType);
-  LONG err = parent.QueryBinaryValue(value_name, value, &len);
-  if (ERROR_SUCCESS != err || len != sizeof(ValueType)) {
-    memset(value, 0, sizeof(ValueType));
-    return false;
-  }
-
-  return true;
-}
-
-} // namespace stats_report
-
-#endif  // OMAHA_STATSREPORT_UTIL_WIN32_H__