Add ShellAcceleratorController that managers global keyboard accelerators.

ui/aura/desktop.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_AURA_DESKTOP_H_
 #define UI_AURA_DESKTOP_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop.h"
 #include "base/task.h"
 #include "ui/aura/aura_export.h"
 #include "ui/aura/cursor.h"
 #include "ui/aura/focus_manager.h"
 #include "ui/aura/window.h"
 #include "ui/base/events.h"
+#include "ui/base/models/accelerator.h"
 #include "ui/gfx/compositor/compositor.h"
 #include "ui/gfx/compositor/layer_animation_observer.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/point.h"
 
 namespace gfx {
 class Size;
 }
 
 namespace ui {
+class AcceleratorManager;
 class LayerAnimationSequence;
 class Transform;
 }
 
 namespace aura {
 
 class DesktopHost;
 class DesktopObserver;
 class KeyEvent;
 class MouseEvent;
 class ScreenAura;
 class StackingClient;
 class TouchEvent;
 
 // Desktop is responsible for hosting a set of windows.
 class AURA_EXPORT Desktop : public ui::CompositorDelegate,
                             public Window,
                             public internal::FocusManager,
-                            public ui::LayerAnimationObserver {
+                            public ui::LayerAnimationObserver,
+                            public ui::AcceleratorTarget {
  public:
   Desktop();
   virtual ~Desktop();
 
   static Desktop* GetInstance();
   static void DeleteInstanceForTesting();
 
   static void set_use_fullscreen_host_window(bool use_fullscreen) {
     use_fullscreen_host_window_ = use_fullscreen;
   }
@@ skipping 60 matching lines @@
   // an event by |Dispatch(const NativeEvent&)| on it. It must never be stored.
   MessageLoop::Dispatcher* GetDispatcher();
 
   // Add/remove observer.
   void AddObserver(DesktopObserver* observer);
   void RemoveObserver(DesktopObserver* observer);
 
   // Are any mouse buttons currently down?
   bool IsMouseButtonDown() const;
 
+  // Register accelerators for the desktop.
+  void RegisterAccelerators(ui::AcceleratorManager* accelerator_manager);
+
+  // Overridden from ui::AcceleratorTarget.
+  virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
+
   // Capture -------------------------------------------------------------------
 
   // Sets capture to the specified window.
   void SetCapture(Window* window);
 
   // If |window| has mouse capture, the current capture window is set to NULL.
   void ReleaseCapture(Window* window);
 
   // Overridden from Window:
   virtual void SetTransform(const ui::Transform& transform) OVERRIDE;
@@ skipping 79 matching lines @@
   Window* mouse_moved_handler_;
   Window* focused_window_;
   Window* touch_event_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(Desktop);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_DESKTOP_H_