ur_ls -> urls in ResourceFetcher

Blink Reformat miss? fix

BUG=675877

Review-Url: https://codereview.chromium.org/2809103002
Cr-Commit-Position: refs/heads/master@{#463599}
void ResourceFetcher::DeadResourceStatsRecorder::Update(
    RevalidationPolicy policy) {
  switch (policy) {
    case kReload:
    case kLoad:
      ++load_count_;
      return;
    case kRevalidate:
      ++revalidate_count_;
      return;
    case kUse:
      ++use_count_;
      return;
  }
}

void ResourceFetcher::DeadResourceStatsRecorder::Update(
    RevalidationPolicy policy) {
  switch (policy) {
    case kReload:
    case kLoad:
      ++load_count_;
      return;
    case kRevalidate:
      ++revalidate_count_;
      return;
    case kUse:
      ++use_count_;
      return;
  }
}
