Move functions for controlling Caps Lock to CapsLockDelegate from SystemTrayDelegate.

ash/system/tray/system_tray_delegate.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 ASH_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_
 #define ASH_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 127 matching lines @@
 
   // Shows settings related to Google Drive.
   virtual void ShowDriveSettings() = 0;
 
   // Shows settings related to input methods.
   virtual void ShowIMESettings() = 0;
 
   // Shows help.
   virtual void ShowHelp() = 0;
 
-  // Gets whether the caps lock is on.
-  virtual bool IsCapsLockOn() const = 0;
-
-  // Sets the caps lock status to |enabled|.
-  virtual void SetCapsLockEnabled(bool enabled) = 0;
-
   // Attempts to shut down the system.
   virtual void ShutDown() = 0;
 
   // Attempts to sign out the user.
   virtual void SignOut() = 0;
 
   // Attempts to lock the screen.
   virtual void RequestLockScreen() = 0;
 
   // Attempts to restart the system.
@@ skipping 111 matching lines @@
 
   // Sets VolumeControlDelegate.
   virtual void SetVolumeControlDelegate(
       scoped_ptr<VolumeControlDelegate> delegate) = 0;
 
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_