SignalR/SignalR — pull request #2812 by BrandonLWhite (2014-01-12 16:44:09+00:00)
Title: Made fixes for mono. [Backpatch cherry pick]

- Disable performance counters if running on mono.
- Use DefaultProtectedData if running on mono.

(cherry picked from commit 57e1c98b9a7da049f8d0e73f781acf65285f7741)