Update {virtual,override,final} to follow C++11 style in content, round 2.

content/browser/geolocation/wifi_data_provider_chromeos.h

 // Copyright (c) 2011 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.
 
 #ifndef CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_CHROMEOS_H_
 #define CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_CHROMEOS_H_
 
 #include "base/compiler_specific.h"
 #include "content/browser/geolocation/wifi_data_provider.h"
 #include "content/browser/geolocation/wifi_polling_policy.h"
 
 namespace content {
 
 class CONTENT_EXPORT WifiDataProviderChromeOs : public WifiDataProvider {
  public:
   WifiDataProviderChromeOs();
 
   // WifiDataProvider
-  virtual void StartDataProvider() override;
-  virtual void StopDataProvider() override;
-  virtual bool GetData(WifiData* data) override;
+  void StartDataProvider() override;
+  void StopDataProvider() override;
+  bool GetData(WifiData* data) override;
 
  private:
   friend class GeolocationChromeOsWifiDataProviderTest;
-  virtual ~WifiDataProviderChromeOs();
+  ~WifiDataProviderChromeOs() override;
 
   // UI thread
   void DoWifiScanTaskOnUIThread();  // The polling task
   void DoStartTaskOnUIThread();
 
   // Client thread
   void DidWifiScanTaskNoResults();
   void DidWifiScanTask(const WifiData& new_data);
 
   // Will schedule a scan; i.e. enqueue DoWifiScanTask deferred task.
@@ skipping 19 matching lines @@
 
   // Whether we've successfully completed a scan for WiFi data. (client thread)
   bool is_first_scan_complete_;
 
   DISALLOW_COPY_AND_ASSIGN(WifiDataProviderChromeOs);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_CHROMEOS_H_