Remove #pragma once from chrome/browser/{printing,safe_browsing,prefs,bookmarks,autocomplete}

chrome/browser/bookmarks/bookmark_codec.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.
 
 // BookmarkCodec is responsible for encoding and decoding the BookmarkModel
 // into JSON values. The encoded values are written to disk via the
 // BookmarkService.
 
 #ifndef CHROME_BROWSER_BOOKMARKS_BOOKMARK_CODEC_H_
 #define CHROME_BROWSER_BOOKMARKS_BOOKMARK_CODEC_H_
-#pragma once
 
 #include <set>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/md5.h"
 #include "base/string16.h"
 
 class BookmarkModel;
 class BookmarkNode;
@@ skipping 143 matching lines @@
   std::string computed_checksum_;
   std::string stored_checksum_;
 
   // Maximum ID assigned when decoding data.
   int64 maximum_id_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkCodec);
 };
 
 #endif  // CHROME_BROWSER_BOOKMARKS_BOOKMARK_CODEC_H_