Handle Caps Lock short cut (Shift+Search) in ash [part 1 of 2].

ash/accelerators/accelerator_controller.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 ASH_ACCELERATORS_ACCELERATOR_CONTROLLER_H_
 #define ASH_ACCELERATORS_ACCELERATOR_CONTROLLER_H_
 #pragma once
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "ash/ash_export.h"
 #include "ui/base/accelerators/accelerator.h"
 
 namespace ui {
 class AcceleratorManager;
 }
 
 namespace ash {
 
 class ScreenshotDelegate;
+class CapsLockDelegate;
 
 // AcceleratorController provides functions for registering or unregistering
 // global keyboard accelerators, which are handled earlier than any windows. It
 // also implements several handlers as an accelerator target.
 class ASH_EXPORT AcceleratorController : public ui::AcceleratorTarget {
  public:
   AcceleratorController();
   virtual ~AcceleratorController();
 
   // Register a global keyboard accelerator for the specified target. If
@@ skipping 14 matching lines @@
   // 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 Process(const ui::Accelerator& accelerator);
 
   // Overridden from ui::AcceleratorTarget:
   virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
   virtual bool CanHandleAccelerators() const OVERRIDE;
 
-  void SetScreenshotDelegate(ScreenshotDelegate* screenshot_delegate);
+  void SetScreenshotDelegate(
+      scoped_ptr<ScreenshotDelegate> screenshot_delegate);

[mazda, 2012/01/17 07:34:05]

I prefer this signature change is done first in another CL.
That would make this CL more organized.

[Yusuke Sato, 2012/01/17 08:24:52]

Done. Please review https://chromiumcodereview.appspot.com/9240002/

+  void SetCapsLockDelegate(scoped_ptr<CapsLockDelegate> caps_lock_delegate);
 
  private:
   // Initialize the accelerators this class handles as a target.
   void Init();
 
   scoped_ptr<ui::AcceleratorManager> accelerator_manager_;
 
   scoped_ptr<ScreenshotDelegate> screenshot_delegate_;
+  scoped_ptr<CapsLockDelegate> caps_lock_delegate_;
 
   // A map from accelerators to the AcceleratorAction values, which are used in
   // the implementation.
   std::map<ui::Accelerator, int> accelerators_;
 
   DISALLOW_COPY_AND_ASSIGN(AcceleratorController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_ACCELERATORS_ACCELERATOR_CONTROLLER_H_