base: Implement GetCurrentThreadPriority.

base/threading/platform_thread_unittest.cc

Index: base/threading/platform_thread_unittest.cc
diff --git a/base/threading/platform_thread_unittest.cc b/base/threading/platform_thread_unittest.cc
index 52f8d1ba6f31c5158fe6b49e2003c90a844da8f3..08ee587aef2647cd451f5abf5974bb395a8293bc 100644
--- a/base/threading/platform_thread_unittest.cc
+++ b/base/threading/platform_thread_unittest.cc
@@ -249,16 +249,9 @@ class ThreadPriorityTestThread : public FunctionTestThread {
 
 }  // namespace
 
-#if defined(OS_MACOSX)
-// PlatformThread::GetCurrentThreadPriority() is not implemented on OS X.
-#define MAYBE_ThreadPriorityCurrentThread DISABLED_ThreadPriorityCurrentThread
-#else
-#define MAYBE_ThreadPriorityCurrentThread ThreadPriorityCurrentThread
-#endif
-
 // Test changing a created thread's priority (which has different semantics on
 // some platforms).
-TEST(PlatformThreadTest, MAYBE_ThreadPriorityCurrentThread) {
+TEST(PlatformThreadTest, ThreadPriorityCurrentThread) {
   ThreadPriorityTestThread thread;
   PlatformThreadHandle handle;