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#include "base/update_util.h"

#ifdef OS_WIN
#include <windows.h>
#endif  // OS_WIN

namespace mozc {

bool UpdateUtil::WriteActiveUsageInfo() {
#ifndef GOOGLE_JAPANESE_INPUT_BUILD
  return false;
#endif  // !GOOGLE_JAPANESE_INPUT_BUILD

#ifdef OS_WIN
  const wchar_t kOmahaUsageKey[] =
      L"Software\\Google\\Update\\ClientState\\"
      L"{DDCCD2A9-025E-4142-BCEB-F467B88CF830}";
  HKEY key;
  LONG result = RegCreateKeyExW(HKEY_CURRENT_USER, kOmahaUsageKey, 0, nullptr,
                                0, KEY_WRITE, nullptr, &key, nullptr);
  if (ERROR_SUCCESS != result) {
    return false;
  }
  const wchar_t kDidRunName[] = L"dr";
  const wchar_t kDidRunValue[] = L"1";
  result = RegSetValueExW(key, kDidRunName, 0, REG_SZ,
                          reinterpret_cast<const BYTE *>(kDidRunValue),
                          sizeof(kDidRunValue));
  RegCloseKey(key);
  return ERROR_SUCCESS == result;
#else
  // TODO(mazda): Implement Mac version
  return false;
#endif
}

}  // namespace mozc
