Update {virtual,override,final} to follow C++11 style in chrome/browser/chromeos/settings.

chrome/browser/chromeos/settings/stub_cros_settings_provider.h

Index: chrome/browser/chromeos/settings/stub_cros_settings_provider.h
diff --git a/chrome/browser/chromeos/settings/stub_cros_settings_provider.h b/chrome/browser/chromeos/settings/stub_cros_settings_provider.h
index 0f0400a73d1d03d31c7546f8b5e0a68a70d8fb61..5fcb65c18f2db8f3a4762c27354b016d35952fbe 100644
--- a/chrome/browser/chromeos/settings/stub_cros_settings_provider.h
+++ b/chrome/browser/chromeos/settings/stub_cros_settings_provider.h
@@ -17,18 +17,16 @@ class StubCrosSettingsProvider : public CrosSettingsProvider {
  public:
   explicit StubCrosSettingsProvider(const NotifyObserversCallback& notify_cb);
   StubCrosSettingsProvider();
-  virtual ~StubCrosSettingsProvider();
+  ~StubCrosSettingsProvider() override;
 
   // CrosSettingsProvider implementation.
-  virtual const base::Value* Get(const std::string& path) const override;
-  virtual TrustedStatus PrepareTrustedValues(
-      const base::Closure& callback) override;
-  virtual bool HandlesSetting(const std::string& path) const override;
+  const base::Value* Get(const std::string& path) const override;
+  TrustedStatus PrepareTrustedValues(const base::Closure& callback) override;
+  bool HandlesSetting(const std::string& path) const override;
 
  private:
   // CrosSettingsProvider implementation:
-  virtual void DoSet(const std::string& path,
-                     const base::Value& value) override;
+  void DoSet(const std::string& path, const base::Value& value) override;
 
   // Initializes settings to their defaults.
   void SetDefaults();