views: Remove unused GetCurrentTargetForAccelerator from FocusManager.

ash/accelerators/focus_manager_factory.cc

 // 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.
 
 #include "ash/accelerators/focus_manager_factory.h"
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/shell.h"
 #include "ui/views/focus/focus_manager.h"
 
@@ skipping 10 matching lines @@
 
 bool AshFocusManagerFactory::Delegate::ProcessAccelerator(
     const ui::Accelerator& accelerator) {
   AcceleratorController* controller =
       Shell::GetInstance()->accelerator_controller();
   if (controller)
     return controller->Process(accelerator);
   return false;
 }
 
-ui::AcceleratorTarget*
-AshFocusManagerFactory::Delegate::GetCurrentTargetForAccelerator(
-    const ui::Accelerator& accelerator) const {
-  AcceleratorController* controller =
-      Shell::GetInstance()->accelerator_controller();
-  if (controller && controller->IsRegistered(accelerator))
-    return controller;
-  return NULL;
-}
-
 }  // namespace ash