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

chrome/browser/extensions/api/idle/idle_manager.cc

 // Copyright (c) 2012 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 "chrome/browser/extensions/api/idle/idle_manager.h"
 
 #include <utility>
 
 #include "base/profiler/scoped_profile.h"
 #include "base/stl_util.h"
@@ skipping 11 matching lines @@
 namespace extensions {
 
 namespace {
 
 const int kDefaultIdleThreshold = 60;
 const int kPollInterval = 1;
 
 class DefaultEventDelegate : public IdleManager::EventDelegate {
  public:
   explicit DefaultEventDelegate(Profile* profile);
-  virtual ~DefaultEventDelegate();
+  ~DefaultEventDelegate() override;
 
-  virtual void OnStateChanged(const std::string& extension_id,
-                              IdleState new_state) override;
-  virtual void RegisterObserver(EventRouter::Observer* observer) override;
-  virtual void UnregisterObserver(EventRouter::Observer* observer) override;
+  void OnStateChanged(const std::string& extension_id,
+                      IdleState new_state) override;
+  void RegisterObserver(EventRouter::Observer* observer) override;
+  void UnregisterObserver(EventRouter::Observer* observer) override;
 
  private:
   Profile* profile_;
 };
 
 DefaultEventDelegate::DefaultEventDelegate(Profile* profile)
     : profile_(profile) {
 }
 
 DefaultEventDelegate::~DefaultEventDelegate() {
@@ skipping 16 matching lines @@
       ->RegisterObserver(observer, idle::OnStateChanged::kEventName);
 }
 
 void DefaultEventDelegate::UnregisterObserver(EventRouter::Observer* observer) {
   EventRouter::Get(profile_)->UnregisterObserver(observer);
 }
 
 class DefaultIdleProvider : public IdleManager::IdleTimeProvider {
  public:
   DefaultIdleProvider();
-  virtual ~DefaultIdleProvider();
+  ~DefaultIdleProvider() override;
 
-  virtual void CalculateIdleState(int idle_threshold,
-                                  IdleCallback notify) override;
-  virtual void CalculateIdleTime(IdleTimeCallback notify) override;
-  virtual bool CheckIdleStateIsLocked() override;
+  void CalculateIdleState(int idle_threshold, IdleCallback notify) override;
+  void CalculateIdleTime(IdleTimeCallback notify) override;
+  bool CheckIdleStateIsLocked() override;
 };
 
 DefaultIdleProvider::DefaultIdleProvider() {
 }
 
 DefaultIdleProvider::~DefaultIdleProvider() {
 }
 
 void DefaultIdleProvider::CalculateIdleState(int idle_threshold,
                                              IdleCallback notify) {
@@ skipping 176 matching lines @@
       event_delegate_->OnStateChanged(it->first, new_state);
     monitor.last_state = new_state;
     listener_count += monitor.listeners;
   }
 
   if (listener_count == 0)
     StopPolling();
 }
 
 }  // namespace extensions