Remove #pragma once from ash

ash/wm/capture_controller.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_WM_CAPTURE_CONTROLLER_H_
 #define ASH_WM_CAPTURE_CONTROLLER_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ui/aura/client/capture_client.h"
 #include "ash/ash_export.h"
 
 namespace ash {
 namespace internal {
 
 class ASH_EXPORT CaptureController : public aura::client::CaptureClient {
@@ skipping 10 matching lines @@
   // The current capture window. Null if there is no capture window.
   aura::Window* capture_window_;
 
   DISALLOW_COPY_AND_ASSIGN(CaptureController);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_CAPTURE_CONTROLLER_H_