Remove #pragma once from content

content/public/browser/speech_recognition_session_context.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 CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNITION_SESSION_CONTEXT_H_
 #define CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNITION_SESSION_CONTEXT_H_
-#pragma once
 
 #include <string>
 
 #include "content/common/content_export.h"
 #include "ui/gfx/rect.h"
 
 namespace content {
 
 // The context information required by clients of the SpeechRecognitionManager
 // and its delegates for mapping the recognition session to other browser
@@ skipping 19 matching lines @@
   gfx::Rect element_rect;
 
   // A texual description of the context (website, extension name) that is
   // requesting recognition, for prompting security notifications to the user.
   std::string context_name;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNITION_SESSION_CONTEXT_H_