Remove #pragma once from chrome/browser/sync

chrome/browser/sync/glue/synced_session.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_SYNCED_SESSION_H_
 #define CHROME_BROWSER_SYNC_GLUE_SYNCED_SESSION_H_
-#pragma once
 
 #include <map>
 #include <string>
 
 #include "base/time.h"
 #include "chrome/browser/sessions/session_id.h"
 #include "chrome/browser/sessions/session_types.h"
 
 namespace content {
 class NavigationEntry;
@@ skipping 85 matching lines @@
 // Note: chrome:// and file:// are not considered valid urls (for syncing).
 bool ShouldSyncSessionTab(const SessionTab& tab);
 
 // Checks whether the window has tabs to sync. If no tabs to sync, it returns
 // true, false otherwise.
 bool SessionWindowHasNoTabsToSync(const SessionWindow& window);
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_GLUE_SYNCED_SESSION_H_