Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/app_list/app_list_service_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/command_line.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/pref_service_factory.h"
@@ skipping 59 matching lines @@
   Profile* showing_for_profile_;
   int destroy_app_list_call_count_;
 
   DISALLOW_COPY_AND_ASSIGN(TestingAppListServiceImpl);
 };
 
 class AppListServiceUnitTest : public testing::Test {
  public:
   AppListServiceUnitTest() {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     SetupWithCommandLine(CommandLine(CommandLine::NO_PROGRAM));
   }
 
  protected:
   void SetupWithCommandLine(const CommandLine& command_line) {
     user_data_dir_ = base::FilePath(FILE_PATH_LITERAL("udd"));
     profile1_.reset(
         new FakeProfile("p1", user_data_dir_.AppendASCII("profile1")));
     profile2_.reset(
         new FakeProfile("p2", user_data_dir_.AppendASCII("profile2")));
@@ skipping 141 matching lines @@
   EXPECT_EQ(AppListService::ENABLE_FOR_APP_INSTALL,
             local_state_->GetInteger(prefs::kAppListEnableMethod));
   EXPECT_NE(0, local_state_->GetInt64(prefs::kAppListEnableTime));
 
   // An auto-show here should update the enable method to prevent recording it
   // as ENABLE_FOR_APP_INSTALL.
   service_->ShowForAppInstall(profile1_.get(), "", false);
   EXPECT_EQ(AppListService::ENABLE_SHOWN_UNDISCOVERED,
             local_state_->GetInteger(prefs::kAppListEnableMethod));
 }