C++11 override style change for athena

athena/virtual_keyboard/virtual_keyboard_manager_impl.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 "athena/virtual_keyboard/public/virtual_keyboard_manager.h"
 
 #include "athena/screen/public/screen_manager.h"
 #include "athena/util/container_priorities.h"
 #include "athena/util/fill_layout_manager.h"
 #include "base/bind.h"
@@ skipping 14 matching lines @@
 namespace {
 
 VirtualKeyboardManager* instance;
 
 // A very basic and simple implementation of KeyboardControllerProxy.
 class BasicKeyboardControllerProxy : public keyboard::KeyboardControllerProxy {
  public:
   BasicKeyboardControllerProxy(content::BrowserContext* context,
                                aura::Window* root_window)
       : browser_context_(context), root_window_(root_window) {}
-  virtual ~BasicKeyboardControllerProxy() {}
+  ~BasicKeyboardControllerProxy() override {}
 
   // keyboard::KeyboardControllerProxy:
   virtual ui::InputMethod* GetInputMethod() override {
     ui::InputMethod* input_method =
         root_window_->GetProperty(aura::client::kRootWindowInputMethodKey);
     return input_method;
   }
 
   virtual void RequestAudioInput(
       content::WebContents* web_contents,
@@ skipping 15 matching lines @@
 
 class VirtualKeyboardManagerImpl : public VirtualKeyboardManager {
  public:
   explicit VirtualKeyboardManagerImpl(content::BrowserContext* browser_context)
       : browser_context_(browser_context), container_(nullptr) {
     CHECK(!instance);
     instance = this;
     Init();
   }
 
-  virtual ~VirtualKeyboardManagerImpl() {
+  ~VirtualKeyboardManagerImpl() override {
     CHECK_EQ(this, instance);
     instance = nullptr;
 
     keyboard::KeyboardController::ResetInstance(nullptr);
   }
 
  private:
   void Init() {
     athena::ScreenManager::ContainerParams params("VirtualKeyboardContainer",
                                                   CP_VIRTUAL_KEYBOARD);
@@ skipping 35 matching lines @@
   return instance;
 }
 
 void VirtualKeyboardManager::Shutdown() {
   CHECK(instance);
   delete instance;
   CHECK(!instance);
 }
 
 }  // namespace athena