Update {virtual,override,final} to follow C++11 style in ui.

ui/display/chromeos/x11/native_display_delegate_x11.h

Index: ui/display/chromeos/x11/native_display_delegate_x11.h
diff --git a/ui/display/chromeos/x11/native_display_delegate_x11.h b/ui/display/chromeos/x11/native_display_delegate_x11.h
index c5f528161c80e13bffbc3258aa9a8e7e0216e68e..09bf22f1037df5a7405ebef4664d31f1e23a0e65 100644
--- a/ui/display/chromeos/x11/native_display_delegate_x11.h
+++ b/ui/display/chromeos/x11/native_display_delegate_x11.h
@@ -66,37 +66,32 @@ class DISPLAY_EXPORT NativeDisplayDelegateX11 : public NativeDisplayDelegate {
   };
 
   NativeDisplayDelegateX11();
-  virtual ~NativeDisplayDelegateX11();
+  ~NativeDisplayDelegateX11() override;
 
   // NativeDisplayDelegate overrides:
-  virtual void Initialize() override;
-  virtual void GrabServer() override;
-  virtual void UngrabServer() override;
-  virtual bool TakeDisplayControl() override;
-  virtual bool RelinquishDisplayControl() override;
-  virtual void SyncWithServer() override;
-  virtual void SetBackgroundColor(uint32_t color_argb) override;
-  virtual void ForceDPMSOn() override;
-  virtual void GetDisplays(const GetDisplaysCallback& callback) override;
-  virtual void AddMode(const DisplaySnapshot& output,
-                       const DisplayMode* mode) override;
-  virtual void Configure(const DisplaySnapshot& output,
-                         const DisplayMode* mode,
-                         const gfx::Point& origin,
-                         const ConfigureCallback& callback) override;
-  virtual void CreateFrameBuffer(const gfx::Size& size) override;
-  virtual bool GetHDCPState(const DisplaySnapshot& output,
-                            HDCPState* state) override;
-  virtual bool SetHDCPState(const DisplaySnapshot& output,
-                            HDCPState state) override;
-  virtual std::vector<ColorCalibrationProfile>
-      GetAvailableColorCalibrationProfiles(
-          const DisplaySnapshot& output) override;
-  virtual bool SetColorCalibrationProfile(
-      const DisplaySnapshot& output,
-      ColorCalibrationProfile new_profile) override;
-  virtual void AddObserver(NativeDisplayObserver* observer) override;
-  virtual void RemoveObserver(NativeDisplayObserver* observer) override;
+  void Initialize() override;
+  void GrabServer() override;
+  void UngrabServer() override;
+  bool TakeDisplayControl() override;
+  bool RelinquishDisplayControl() override;
+  void SyncWithServer() override;
+  void SetBackgroundColor(uint32_t color_argb) override;
+  void ForceDPMSOn() override;
+  void GetDisplays(const GetDisplaysCallback& callback) override;
+  void AddMode(const DisplaySnapshot& output, const DisplayMode* mode) override;
+  void Configure(const DisplaySnapshot& output,
+                 const DisplayMode* mode,
+                 const gfx::Point& origin,
+                 const ConfigureCallback& callback) override;
+  void CreateFrameBuffer(const gfx::Size& size) override;
+  bool GetHDCPState(const DisplaySnapshot& output, HDCPState* state) override;
+  bool SetHDCPState(const DisplaySnapshot& output, HDCPState state) override;
+  std::vector<ColorCalibrationProfile> GetAvailableColorCalibrationProfiles(
+      const DisplaySnapshot& output) override;
+  bool SetColorCalibrationProfile(const DisplaySnapshot& output,
+                                  ColorCalibrationProfile new_profile) override;
+  void AddObserver(NativeDisplayObserver* observer) override;
+  void RemoveObserver(NativeDisplayObserver* observer) override;
 
  private:
   class HelperDelegateX11;