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

chrome/browser/devtools/device/adb/adb_client_socket_browsertest.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/devtools/device/adb/adb_device_provider.h"
 #include "chrome/browser/devtools/device/adb/mock_adb_server.h"
 #include "chrome/browser/devtools/device/devtools_android_bridge.h"
 #include "chrome/browser/devtools/devtools_target_impl.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/test/base/in_process_browser_test.h"
@@ skipping 19 matching lines @@
   void StartTest() {
     Profile* profile = browser()->profile();
     android_bridge_ = DevToolsAndroidBridge::Factory::GetForProfile(profile);
     AndroidDeviceManager::DeviceProviders device_providers;
     device_providers.push_back(new AdbDeviceProvider());
     android_bridge_->set_device_providers_for_test(device_providers);
     android_bridge_->AddDeviceListListener(this);
     content::RunMessageLoop();
   }
 
-  virtual void DeviceListChanged(
+  void DeviceListChanged(
       const DevToolsAndroidBridge::RemoteDevices& devices) override {
     devices_ = devices;
     android_bridge_->RemoveDeviceListListener(this);
     base::MessageLoop::current()->Quit();
   }
 
   void CheckDevices() {
     ASSERT_EQ(2U, devices_.size());
 
     scoped_refptr<DevToolsAndroidBridge::RemoteDevice> connected =
@@ skipping 78 matching lines @@
   scoped_refptr<DevToolsAndroidBridge> android_bridge_;
   DevToolsAndroidBridge::RemoteDevices devices_;
 };
 
 IN_PROC_BROWSER_TEST_F(AdbClientSocketTest, TestAdbClientSocket) {
   StartMockAdbServer();
   StartTest();
   CheckDevices();
   StopMockAdbServer();
 }