AURA/X11: Handle VKEY_MENU accelerator on content area

ui/views/focus/focus_manager.h

 // Copyright (c) 2011 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_VIEWS_FOCUS_FOCUS_MANAGER_H_
 #define UI_VIEWS_FOCUS_FOCUS_MANAGER_H_
 #pragma once
 
 #include <list>
 #include <map>
@@ skipping 195 matching lines @@
   void UnregisterAccelerators(ui::AcceleratorTarget* target);
 
   // Activate the target associated with the specified accelerator.
   // First, AcceleratorPressed handler of the most recently registered target
   // is called, and if that handler processes the event (i.e. returns true),
   // this method immediately returns. If not, we do the same thing on the next
   // target, and so on.
   // Returns true if an accelerator was activated.
   bool ProcessAccelerator(const ui::Accelerator& accelerator);
 
+  // Resets menu key state if |event| is not menu key release.
+  // This is effective only on x11.
+  void MaybeResetMenuKeyState(const KeyEvent& key);
+
+#if defined(TOOLKIT_USES_GTK)
+  // Resets menu key state. TODO(oshima): Remove this when views/gtk is removed.
+  void ResetMenuKeyState();
+#endif
+
   // Called by a RootView when a view within its hierarchy is removed
   // from its parent. This will only be called by a RootView in a
   // hierarchy of Widgets that this FocusManager is attached to the
   // parent Widget of.
   void ViewRemoved(View* removed);
 
   // Adds/removes a listener.  The FocusChangeListener is notified every time
   // the focused view is about to change.
   void AddFocusChangeListener(FocusChangeListener* listener);
   void RemoveFocusChangeListener(FocusChangeListener* listener);
@@ skipping 36 matching lines @@
   // The storage id used in the ViewStorage to store/restore the view that last
   // had focus.
   int stored_focused_view_storage_id_;
 
   // The reason why the focus most recently changed.
   FocusChangeReason focus_change_reason_;
 
   // The list of registered FocusChange listeners.
   ObserverList<FocusChangeListener, true> focus_change_listeners_;
 
+#if defined(USE_X11)
+  // Indicates if we should handle the upcoming Alt key release event.
+  bool should_handle_menu_key_release_;
+#endif
+
   // See description above getter.
   bool is_changing_focus_;
 
   DISALLOW_COPY_AND_ASSIGN(FocusManager);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_FOCUS_FOCUS_MANAGER_H_