Standardize usage of virtual/override/final specifiers.

components/nacl/browser/nacl_validation_cache_unittest.cc

 // Copyright 2013 The Chromium 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 "base/pickle.h"
 #include "components/nacl/browser/nacl_validation_cache.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace nacl {
 
 const char key1[65] =
     "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF";
 const char key2[65] =
     "a 64-byte string of various junk................................";
 const char sig1[33] = "0123456789ABCDEF0123456789ABCDEF";
 const char sig2[33] = "a 32-byte string of various junk";
 
 class NaClValidationCacheTest : public ::testing::Test {
  protected:
   NaClValidationCache cache1;
   NaClValidationCache cache2;
 
-  virtual void SetUp() {
+  void SetUp() override {
     // The compiler chokes if std::string(key1) is passed directly as an arg.
     std::string key(key1);
     cache1.SetValidationCacheKey(key);
     cache2.SetValidationCacheKey(key);
   }
 
   bool IsIdentical(const NaClValidationCache& a,
                    const NaClValidationCache& b) const {
     if (a.GetValidationCacheKey() != b.GetValidationCacheKey())
       return false;
@@ skipping 150 matching lines @@
 }
 
 TEST_F(NaClValidationCacheTest, DeserializeJunk) {
   cache1.SetKnownToValidate(sig1);
   Pickle pickle(key1, strlen(key1));
   ASSERT_FALSE(cache1.Deserialize(&pickle));
   ASSERT_EQ(0, (int) cache1.size());
 }
 
 }