servo/servo — pull request #4485 by Ms2ger (2014-12-27 13:18:12+00:00)
Title: Replace most to_string calls by into_string calls.

`str::to_string()` goes through a `Formatter`, `str::into_string()` is a direct copy and is apparently 5× faster.

This is a rebase of the boring and bitrot-prone parts of #4366.