Mark KeygenHandlerTest.ConcurrencyTest no longer flakey.

net/base/keygen_handler_unittest.cc

Index: net/base/keygen_handler_unittest.cc
diff --git a/net/base/keygen_handler_unittest.cc b/net/base/keygen_handler_unittest.cc
index 6d9d2d1f8e7862c1e808c9fa161dbc1bc3f67bb1..15ec0ce7eeb18549b44735463cc7b3b8e01740d4 100644
--- a/net/base/keygen_handler_unittest.cc
+++ b/net/base/keygen_handler_unittest.cc
@@ -112,16 +112,9 @@ class ConcurrencyTestTask : public Task {
   std::string* result_;
 };
 
-// See crbug.com/48006
-#if defined(OS_MACOSX)
-#define MAYBE_ConcurrencyTest FLAKY_ConcurrencyTest
-#else
-#define MAYBE_ConcurrencyTest ConcurrencyTest
-#endif
-
 // We asynchronously generate the keys so as not to hang up the IO thread. This
 // test tries to catch concurrency problems in the keygen implementation.
-TEST_F(KeygenHandlerTest, MAYBE_ConcurrencyTest) {
+TEST_F(KeygenHandlerTest, ConcurrencyTest) {
   const int NUM_HANDLERS = 5;
   base::WaitableEvent* events[NUM_HANDLERS] = { NULL };
   std::string results[NUM_HANDLERS];