Replace OVERRIDE->override and FINAL->final since we now require C++11.

test/cctest/test-debug.cc

Index: test/cctest/test-debug.cc
diff --git a/test/cctest/test-debug.cc b/test/cctest/test-debug.cc
index ab4d88e1dec0aba5b4d42dccf4abc2bca9a4831a..5740d32d79d5c8ff9fa4bb28f1cc995c026fcd47 100644
--- a/test/cctest/test-debug.cc
+++ b/test/cctest/test-debug.cc
@@ -4770,7 +4770,7 @@ TEST(NoHiddenProperties) {
 // The Wait() call blocks a thread until it is called for the Nth time, then all
 // calls return.  Each ThreadBarrier object can only be used once.
 template <int N>
-class ThreadBarrier FINAL {
+class ThreadBarrier final {
  public:
   ThreadBarrier() : num_blocked_(0) {}