[PATCH] Add generic ThreadRegistry class for sanitizer runtimes.

[Dmitry Vyukov]

  LGTM


================
Comment at: lib/sanitizer_common/CMakeLists.txt:49
@@ -48,2 +48,3 @@
   sanitizer_stacktrace.h
   sanitizer_symbolizer.h
+  sanitizer_thread_registry.h
----------------
Why is sanitizer_thread_registry.h disappeared?


http://llvm-reviews.chandlerc.com/D530