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

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

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/machine-operator-reducer.h"
 #include "src/compiler/typer.h"
 #include "test/unittests/compiler/graph-unittest.h"
@@ skipping 48 matching lines @@
 };
 
 
 template <typename T>
 class MachineOperatorReducerTestWithParam
     : public MachineOperatorReducerTest,
       public ::testing::WithParamInterface<T> {
  public:
   explicit MachineOperatorReducerTestWithParam(int num_parameters = 2)
       : MachineOperatorReducerTest(num_parameters) {}
-  virtual ~MachineOperatorReducerTestWithParam() {}
+  ~MachineOperatorReducerTestWithParam() OVERRIDE {}
 };
 
 
 namespace {
 
 const float kFloat32Values[] = {
     -std::numeric_limits<float>::infinity(), -2.70497e+38f, -1.4698e+37f,
     -1.22813e+35f,                           -1.20555e+35f, -1.34584e+34f,
     -1.0079e+32f,                            -6.49364e+26f, -3.06077e+25f,
     -1.46821e+25f,                           -1.17658e+23f, -1.9617e+22f,
@@ skipping 1290 matching lines @@
     Reduction r = Reduce(node);
     ASSERT_TRUE(r.Changed());
     EXPECT_THAT(r.replacement(),
                 IsStore(rep, base, index, value, effect, control));
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8