Automatically remap Command key on an Apple keyboard to Control [part 2 of 2 - Chrome part]

chrome/browser/ui/webui/options2/chromeos/pointer_handler2.h

 // Copyright (c) 2012 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 CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_POINTER_HANDLER2_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_POINTER_HANDLER2_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 12 matching lines @@
   PointerHandler();
   virtual ~PointerHandler();
 
   // OptionsPageUIHandler implementation.
   virtual void GetLocalizedValues(DictionaryValue* localized_strings) OVERRIDE;
   virtual void InitializeHandler() OVERRIDE;
   virtual void InitializePage() OVERRIDE;
 
   // DeviceHierarchyObserver implementation.
   virtual void DeviceHierarchyChanged() OVERRIDE;
+  virtual void DeviceAdded(int device_id) OVERRIDE {}
+  virtual void KeyPressedOrReleased(int device_id) OVERRIDE {}
 
  private:
   // Check for input devices.
   void CheckTouchpadExists();
   void CheckMouseExists();
 
   // Callback for input device checks.
   void TouchpadExists(bool* exists);
   void MouseExists(bool* exists);
 
   DISALLOW_COPY_AND_ASSIGN(PointerHandler);
 };
 
 }  // namespace options2
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_POINTER_HANDLER2_H_