Standardize usage of virtual/override/final specifiers.

components/variations/variations_seed_processor_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 "components/variations/variations_seed_processor.h"
 
 #include <map>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 93 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(TestOverrideStringCallback);
 };
 
 }  // namespace
 
 class VariationsSeedProcessorTest : public ::testing::Test {
  public:
   VariationsSeedProcessorTest() {
   }
 
-  virtual ~VariationsSeedProcessorTest() {
+  ~VariationsSeedProcessorTest() override {
     // Ensure that the maps are cleared between tests, since they are stored as
     // process singletons.
     testing::ClearAllVariationIDs();
     testing::ClearAllVariationParams();
   }
 
   bool CreateTrialFromStudy(const Study* study) {
     ProcessedStudy processed_study;
     if (processed_study.Init(study, false)) {
       VariationsSeedProcessor().CreateTrialFromStudy(
@@ skipping 356 matching lines @@
             base::FieldTrialList::FindFullName(study.name()));
 
   // Check that params and experiment ids correspond.
   EXPECT_EQ("y", GetVariationParamValue(study.name(), "x"));
   VariationID id = GetGoogleVariationID(GOOGLE_WEB_PROPERTIES, kFlagStudyName,
                                         kNonFlagGroupName);
   EXPECT_EQ(kExperimentId, id);
 }
 
 }  // namespace variations