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

test/unittests/compiler/simplified-operator-reducer-unittest.cc

Index: test/unittests/compiler/simplified-operator-reducer-unittest.cc
diff --git a/test/unittests/compiler/simplified-operator-reducer-unittest.cc b/test/unittests/compiler/simplified-operator-reducer-unittest.cc
index f8f9561af8c094d15a9d276e6ca8ae97a81eeed2..b625d12888e0f0e41daa1d94b53fdbc6efeb94ce 100644
--- a/test/unittests/compiler/simplified-operator-reducer-unittest.cc
+++ b/test/unittests/compiler/simplified-operator-reducer-unittest.cc
@@ -24,7 +24,7 @@ class SimplifiedOperatorReducerTest : public TypedGraphTest {
  public:
   explicit SimplifiedOperatorReducerTest(int num_parameters = 1)
       : TypedGraphTest(num_parameters), simplified_(zone()) {}
-  ~SimplifiedOperatorReducerTest() OVERRIDE {}
+  ~SimplifiedOperatorReducerTest() override {}
 
  protected:
   Reduction Reduce(Node* node) {
@@ -49,7 +49,7 @@ class SimplifiedOperatorReducerTestWithParam
  public:
   explicit SimplifiedOperatorReducerTestWithParam(int num_parameters = 1)
       : SimplifiedOperatorReducerTest(num_parameters) {}
-  ~SimplifiedOperatorReducerTestWithParam() OVERRIDE {}
+  ~SimplifiedOperatorReducerTestWithParam() override {}
 };