Remove #pragma once from chrome/browser/sync

chrome/browser/sync/glue/session_model_associator.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 CHROME_BROWSER_SYNC_GLUE_SESSION_MODEL_ASSOCIATOR_H_
 #define CHROME_BROWSER_SYNC_GLUE_SESSION_MODEL_ASSOCIATOR_H_
-#pragma once
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/format_macros.h"
 #include "base/gtest_prod_util.h"
@@ skipping 541 matching lines @@
   std::map<std::string, linked_ptr<SyncedFaviconInfo> > synced_favicons_;
   // Map of page URL -> favicon url.
   std::map<std::string, std::string> synced_favicon_pages_;
 
   DISALLOW_COPY_AND_ASSIGN(SessionModelAssociator);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_GLUE_SESSION_MODEL_ASSOCIATOR_H_