kwiberg 2a4c63aa13 Don't make a top-level namespace called "internal"
That name isn't unique enough---someone else may be using it. Not a
big problem in practice in this file, but it's the principle of the
thing.

BUG=webrtc:7484

Review-Url: https://codereview.webrtc.org/2808333006
Cr-Commit-Position: refs/heads/master@{#17697}
2017-04-13 13:51:26 +00:00
..
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