Add sticky key support for AltGr

ash/sticky_keys/sticky_keys_controller.h

 // Copyright 2013 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 ASH_STICKY_KEYS_STICKY_KEYS_CONTROLLER_H_
 #define ASH_STICKY_KEYS_STICKY_KEYS_CONTROLLER_H_
 
 #include "ash/ash_export.h"
 #include "ash/sticky_keys/sticky_keys_state.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 77 matching lines @@
 
   // Updates the overlay UI with the current state of the sticky keys.
   void UpdateOverlay();
 
   // Whether sticky keys is activated and modifying events.
   bool enabled_;
 
   // Sticky key handlers.
   scoped_ptr<StickyKeysHandler> shift_sticky_key_;
   scoped_ptr<StickyKeysHandler> alt_sticky_key_;
+  scoped_ptr<StickyKeysHandler> altgr_sticky_key_;
   scoped_ptr<StickyKeysHandler> ctrl_sticky_key_;
 
   scoped_ptr<StickyKeysOverlay> overlay_;
 
   DISALLOW_COPY_AND_ASSIGN(StickyKeysController);
 };
 
 // StickyKeysHandler handles key event and controls sticky keysfor specific
 // modifier keys. If monitored keyboard events are recieved, StickyKeysHandler
 // changes internal state. If non modifier keyboard events or mouse events are
@@ skipping 121 matching lines @@
   scoped_ptr<ui::KeyEvent> modifier_up_event_;
 
   scoped_ptr<StickyKeysHandlerDelegate> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(StickyKeysHandler);
 };
 
 }  // namespace ash
 
 #endif  // ASH_STICKY_KEYS_STICKY_KEYS_CONTROLLER_H_