Refactors DockedWindowLayoutManager in terms of ash/wm/common

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_types.h"
 #include "ash/shell.h"
@@ skipping 34 matching lines @@
     int command_id,
     ui::Accelerator* accelerator) {
   return false;
 }
 
 void ShelfAlignmentMenu::ExecuteCommand(int command_id, int event_flags) {
   Shell* shell = Shell::GetInstance();
   switch (static_cast<MenuItem>(command_id)) {
     case MENU_ALIGN_LEFT:
       shell->metrics()->RecordUserMetricsAction(UMA_SHELF_ALIGNMENT_SET_LEFT);
-      shelf_->SetAlignment(SHELF_ALIGNMENT_LEFT);
+      shelf_->SetAlignment(wm::SHELF_ALIGNMENT_LEFT);
       break;
     case MENU_ALIGN_BOTTOM:
       shell->metrics()->RecordUserMetricsAction(UMA_SHELF_ALIGNMENT_SET_BOTTOM);
-      shelf_->SetAlignment(SHELF_ALIGNMENT_BOTTOM);
+      shelf_->SetAlignment(wm::SHELF_ALIGNMENT_BOTTOM);
       break;
     case MENU_ALIGN_RIGHT:
       shell->metrics()->RecordUserMetricsAction(UMA_SHELF_ALIGNMENT_SET_RIGHT);
-      shelf_->SetAlignment(SHELF_ALIGNMENT_RIGHT);
+      shelf_->SetAlignment(wm::SHELF_ALIGNMENT_RIGHT);
       break;
   }
 }
 
 }  // namespace ash