Standardize usage of virtual/override/final in chrome/browser/supervised_user/

chrome/browser/supervised_user/supervised_user_shared_settings_service_unittest.cc

 // Copyright 2014 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 <string>
 
 #include "base/bind.h"
 #include "base/json/json_writer.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/supervised_user/supervised_user_shared_settings_service.h"
@@ skipping 20 matching lines @@
 using syncer::SyncDataList;
 using syncer::SyncError;
 using syncer::SyncErrorFactory;
 using syncer::SyncMergeResult;
 
 namespace {
 
 class MockSyncErrorFactory : public syncer::SyncErrorFactory {
  public:
   explicit MockSyncErrorFactory(syncer::ModelType type);
-  virtual ~MockSyncErrorFactory();
+  ~MockSyncErrorFactory() override;
 
   // SyncErrorFactory implementation:
-  virtual syncer::SyncError CreateAndUploadError(
+  syncer::SyncError CreateAndUploadError(
       const tracked_objects::Location& location,
       const std::string& message) override;
 
  private:
   syncer::ModelType type_;
 
   DISALLOW_COPY_AND_ASSIGN(MockSyncErrorFactory);
 };
 
 MockSyncErrorFactory::MockSyncErrorFactory(syncer::ModelType type)
@@ skipping 208 matching lines @@
       settings_service_.GetAllSyncData(SUPERVISED_USER_SHARED_SETTINGS).size());
   EXPECT_EQ(ToJson(&name),
             ToJson(settings_service_.GetValue(kIdA, "name")));
   EXPECT_EQ(ToJson(&age), ToJson(settings_service_.GetValue(kIdA, "age")));
   EXPECT_EQ(ToJson(&bar), ToJson(settings_service_.GetValue(kIdB, "foo")));
   EXPECT_EQ(ToJson(&blurp), ToJson(settings_service_.GetValue(kIdC, "baz")));
   EXPECT_FALSE(settings_service_.GetValue(kIdA, "foo"));
   EXPECT_FALSE(settings_service_.GetValue(kIdB, "name"));
   EXPECT_FALSE(settings_service_.GetValue(kIdC, "name"));
 }