- No callbacks for std::sort of integer typed arrays when user-defined
  comparison is not given
- Use template function, instead of macro, for comparison function
- Do not sort if the array size is less than or equal to 1

BUG=v8:5953

Review-Url: https://codereview.chromium.org/2726153003
Cr-Commit-Position: refs/heads/master@{#43565}