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

chrome/browser/signin/easy_unlock_service.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 "chrome/browser/signin/easy_unlock_service.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
@@ skipping 86 matching lines @@
 }
 
 class EasyUnlockService::BluetoothDetector
     : public device::BluetoothAdapter::Observer {
  public:
   explicit BluetoothDetector(EasyUnlockService* service)
       : service_(service),
         weak_ptr_factory_(this) {
   }
 
-  virtual ~BluetoothDetector() {
+  ~BluetoothDetector() override {
     if (adapter_.get())
       adapter_->RemoveObserver(this);
   }
 
   void Initialize() {
     if (!device::BluetoothAdapterFactory::IsBluetoothAdapterAvailable())
       return;
 
     device::BluetoothAdapterFactory::GetAdapter(
         base::Bind(&BluetoothDetector::OnAdapterInitialized,
                    weak_ptr_factory_.GetWeakPtr()));
   }
 
   bool IsPresent() const { return adapter_.get() && adapter_->IsPresent(); }
 
   // device::BluetoothAdapter::Observer:
-  virtual void AdapterPresentChanged(device::BluetoothAdapter* adapter,
-                                     bool present) override {
+  void AdapterPresentChanged(device::BluetoothAdapter* adapter,
+                             bool present) override {
     service_->OnBluetoothAdapterPresentChanged();
   }
 
  private:
   void OnAdapterInitialized(scoped_refptr<device::BluetoothAdapter> adapter) {
     adapter_ = adapter;
     adapter_->AddObserver(this);
     service_->OnBluetoothAdapterPresentChanged();
   }
 
@@ skipping 465 matching lines @@
 #endif
 
 void EasyUnlockService::PrepareForSuspend() {
   DisableAppIfLoaded();
   if (screenlock_state_handler_ && screenlock_state_handler_->IsActive()) {
     UpdateScreenlockState(
         EasyUnlockScreenlockStateHandler::STATE_BLUETOOTH_CONNECTING);
   }
 }