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

ui/base/ime/chromeos/ime_keyboard_x11.h

 // 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.
 
 #ifndef UI_BASE_IME_CHROMEOS_IME_KEYBOARD_X11_H_
 #define UI_BASE_IME_CHROMEOS_IME_KEYBOARD_X11_H_
 
 #include "ui/base/ime/chromeos/ime_keyboard.h"
 
 #include <cstdlib>
@@ skipping 14 matching lines @@
 #include "base/sys_info.h"
 #include "base/threading/thread_checker.h"
 #include "ui/base/ui_base_export.h"
 
 namespace chromeos {
 namespace input_method {
 
 class UI_BASE_EXPORT ImeKeyboardX11 : public ImeKeyboard {
  public:
   ImeKeyboardX11();
-  virtual ~ImeKeyboardX11();
+  ~ImeKeyboardX11() override;
 
   // ImeKeyboard:
-  virtual bool SetCurrentKeyboardLayoutByName(
-      const std::string& layout_name) override;
-  virtual bool ReapplyCurrentKeyboardLayout() override;
-  virtual void ReapplyCurrentModifierLockStatus() override;
-  virtual void DisableNumLock() override;
-  virtual void SetCapsLockEnabled(bool enable_caps_lock) override;
-  virtual bool CapsLockIsEnabled() override;
-  virtual bool SetAutoRepeatEnabled(bool enabled) override;
-  virtual bool GetAutoRepeatEnabled() override;
-  virtual bool SetAutoRepeatRate(const AutoRepeatRate& rate) override;
+  bool SetCurrentKeyboardLayoutByName(const std::string& layout_name) override;
+  bool ReapplyCurrentKeyboardLayout() override;
+  void ReapplyCurrentModifierLockStatus() override;
+  void DisableNumLock() override;
+  void SetCapsLockEnabled(bool enable_caps_lock) override;
+  bool CapsLockIsEnabled() override;
+  bool SetAutoRepeatEnabled(bool enabled) override;
+  bool GetAutoRepeatEnabled() override;
+  bool SetAutoRepeatRate(const AutoRepeatRate& rate) override;
 
  private:
   // Returns a mask for Num Lock (e.g. 1U << 4). Returns 0 on error.
   unsigned int GetNumLockMask();
 
   // Sets the caps-lock status. Note that calling this function always disables
   // the num-lock.
   void SetLockedModifiers();
 
   // This function is used by SetLayout() and RemapModifierKeys(). Calls
@@ skipping 22 matching lines @@
   base::WeakPtrFactory<ImeKeyboardX11> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ImeKeyboardX11);
 };
 
 
 } // namespace input_method
 } // namespace chromeos
 
 #endif  // UI_BASE_IME_CHROMEOS_IME_KEYBOARD_X11_H_