[turbofan] Cleanup use of virtual, OVERRIDE, FINAL.

test/unittests/compiler/change-lowering-unittest.cc

Index: test/unittests/compiler/change-lowering-unittest.cc
diff --git a/test/unittests/compiler/change-lowering-unittest.cc b/test/unittests/compiler/change-lowering-unittest.cc
index 2fe3755db0d77cd81f947b2e6eda51a0f98a1925..e7abe23ece6825e9706fe5c067c0b07ff935ac09 100644
--- a/test/unittests/compiler/change-lowering-unittest.cc
+++ b/test/unittests/compiler/change-lowering-unittest.cc
@@ -24,7 +24,7 @@ namespace compiler {
 class ChangeLoweringTest : public GraphTest {
  public:
   ChangeLoweringTest() : simplified_(zone()) {}
-  virtual ~ChangeLoweringTest() {}
+  ~ChangeLoweringTest() OVERRIDE {}
 
   virtual MachineType WordRepresentation() const = 0;
 
@@ -111,9 +111,9 @@ class ChangeLoweringCommonTest
     : public ChangeLoweringTest,
       public ::testing::WithParamInterface<MachineType> {
  public:
-  virtual ~ChangeLoweringCommonTest() {}
+  ~ChangeLoweringCommonTest() OVERRIDE {}
 
-  virtual MachineType WordRepresentation() const FINAL { return GetParam(); }
+  MachineType WordRepresentation() const FINAL { return GetParam(); }
 };
 
 
@@ -176,8 +176,8 @@ INSTANTIATE_TEST_CASE_P(ChangeLoweringTest, ChangeLoweringCommonTest,
 
 class ChangeLowering32Test : public ChangeLoweringTest {
  public:
-  virtual ~ChangeLowering32Test() {}
-  virtual MachineType WordRepresentation() const FINAL { return kRepWord32; }
+  ~ChangeLowering32Test() OVERRIDE {}
+  MachineType WordRepresentation() const FINAL { return kRepWord32; }
 };
 
 
@@ -334,8 +334,8 @@ TARGET_TEST_F(ChangeLowering32Test, ChangeUint32ToTagged) {
 
 class ChangeLowering64Test : public ChangeLoweringTest {
  public:
-  virtual ~ChangeLowering64Test() {}
-  virtual MachineType WordRepresentation() const FINAL { return kRepWord64; }
+  ~ChangeLowering64Test() OVERRIDE {}
+  MachineType WordRepresentation() const FINAL { return kRepWord64; }
 };