Standardize usage of virtual/override/final specifiers.

components/dom_distiller/core/distilled_page_prefs_unittests.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 "components/dom_distiller/core/distilled_page_prefs.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "components/pref_registry/testing_pref_service_syncable.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 22 matching lines @@
 
  private:
   DistilledPagePrefs::FontFamily font_;
   DistilledPagePrefs::Theme theme_;
 };
 
 }  // namespace
 
 class DistilledPagePrefsTest : public testing::Test {
  protected:
-  virtual void SetUp() override {
+  void SetUp() override {
     pref_service_.reset(new user_prefs::TestingPrefServiceSyncable());
     DistilledPagePrefs::RegisterProfilePrefs(pref_service_->registry());
     distilled_page_prefs_.reset(new DistilledPagePrefs(pref_service_.get()));
   }
 
   scoped_ptr<user_prefs::TestingPrefServiceSyncable> pref_service_;
   scoped_ptr<DistilledPagePrefs> distilled_page_prefs_;
 
  private:
   base::MessageLoop message_loop_;
@@ skipping 53 matching lines @@
   EXPECT_EQ(DistilledPagePrefs::SEPIA, obs2.GetTheme());
   distilled_page_prefs_->RemoveObserver(&obs);
   distilled_page_prefs_->SetTheme(DistilledPagePrefs::LIGHT);
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(DistilledPagePrefs::SEPIA, obs.GetTheme());
   EXPECT_EQ(DistilledPagePrefs::LIGHT, obs2.GetTheme());
   distilled_page_prefs_->RemoveObserver(&obs2);
 }
 
 }  // namespace dom_distiller