Remove unused ash::SHELF_ALIGNMENT_TOP

ash/shelf/shelf_alignment_menu.cc

 // Copyright 2013 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/shelf/shelf_alignment_menu.h"
 
 #include "ash/metrics/user_metrics_recorder.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_types.h"
@@ skipping 16 matching lines @@
                            IDS_ASH_SHELF_CONTEXT_MENU_ALIGN_BOTTOM,
                            align_group_id);
   AddRadioItemWithStringId(MENU_ALIGN_RIGHT,
                            IDS_ASH_SHELF_CONTEXT_MENU_ALIGN_RIGHT,
                            align_group_id);
 }
 
 ShelfAlignmentMenu::~ShelfAlignmentMenu() {}
 
 bool ShelfAlignmentMenu::IsCommandIdChecked(int command_id) const {
-  return shelf_->SelectValueForShelfAlignment(
-      MENU_ALIGN_BOTTOM == command_id, MENU_ALIGN_LEFT == command_id,
-      MENU_ALIGN_RIGHT == command_id, false);
+  return shelf_->SelectValueForShelfAlignment(MENU_ALIGN_BOTTOM == command_id,
+                                              MENU_ALIGN_LEFT == command_id,
+                                              MENU_ALIGN_RIGHT == command_id);
 }
 
 bool ShelfAlignmentMenu::IsCommandIdEnabled(int command_id) const {
   return true;
 }
 
 bool ShelfAlignmentMenu::GetAcceleratorForCommandId(
     int command_id,
     ui::Accelerator* accelerator) {
   return false;
@@ skipping 12 matching lines @@
       manager->SetAlignment(SHELF_ALIGNMENT_BOTTOM);
       break;
     case MENU_ALIGN_RIGHT:
       shell->metrics()->RecordUserMetricsAction(UMA_SHELF_ALIGNMENT_SET_RIGHT);
       manager->SetAlignment(SHELF_ALIGNMENT_RIGHT);
       break;
   }
 }
 
 }  // namespace ash