PVS-Studio warning V501 for Chromium

std::string TestAudioConfig::TestValidConfigs() {
  ....
  static const uint32_t kRequestFrameCounts[] = {
    PP_AUDIOMINSAMPLEFRAMECOUNT,
    PP_AUDIOMAXSAMPLEFRAMECOUNT,
    1024,
    2048,
    4096
  };
  ....
  for (size_t j = 0;
    j < sizeof(kRequestFrameCounts)/sizeof(kRequestFrameCounts);
    j++) {
  ....
}

This suspicious code was found in Chromium project by PVS-Studio static code analyzer.
Warning message is:
V501 There are identical sub-expressions 'sizeof (kRequestFrameCounts)' to the left and to the right of the '/' operator. test_audio_config.cc 56

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/