Remove #pragma once from content

content/public/common/bindings_policy.h

 // Copyright (c) 2011 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 CONTENT_PUBLIC_COMMON_BINDINGS_POLICY_H_
 #define CONTENT_PUBLIC_COMMON_BINDINGS_POLICY_H_
-#pragma once
 
 namespace content {
 
 // This enum specifies flag values for the types of JavaScript bindings exposed
 // to renderers.
 enum BindingsPolicy {
   // HTML-based UI bindings that allows the JS content to send JSON-encoded
   // data back to the browser process.
   BINDINGS_POLICY_WEB_UI = 1 << 0,
   // DOM automation bindings that allows the JS content to send JSON-encoded
   // data back to automation in the parent process.  (By default this isn't
   // allowed unless the app has been started up with the --dom-automation
   // switch.)
   BINDINGS_POLICY_DOM_AUTOMATION = 1 << 1,
   // Bindings that allow access to the external host (through automation).
   BINDINGS_POLICY_EXTERNAL_HOST = 1 << 2,
 };
 
 }
 
 #endif  // CONTENT_PUBLIC_COMMON_BINDINGS_POLICY_H_