Oilpan: Prepare to move FormSubmission to Oilpan heap.

Source/core/loader/NavigationScheduler.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2009 Adam Barth. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 60 matching lines @@
     WTF_MAKE_NONCOPYABLE(NavigationScheduler);
 
 public:
     explicit NavigationScheduler(LocalFrame*);
     ~NavigationScheduler();
 
     bool locationChangePending();
 
     void scheduleRedirect(double delay, const String& url);
     void scheduleLocationChange(Document*, const String& url, const Referrer& referrer, bool lockBackForwardList = true);
-    void scheduleFormSubmission(PassRefPtr<FormSubmission>);
+    void scheduleFormSubmission(PassRefPtrWillBeRawPtr<FormSubmission>);
     void scheduleRefresh();
     void scheduleHistoryNavigation(int steps);
 
     void startTimer();
 
     void cancel();
     void clear();
 
 private:
     bool shouldScheduleNavigation() const;
     bool shouldScheduleNavigation(const String& url) const;
 
     void timerFired(Timer<NavigationScheduler>*);
     void schedule(PassOwnPtr<ScheduledNavigation>);
 
     static bool mustLockBackForwardList(LocalFrame* targetFrame);
 
     LocalFrame* m_frame;
     Timer<NavigationScheduler> m_timer;
     OwnPtr<ScheduledNavigation> m_redirect;
 };
 
 } // namespace WebCore
 
 #endif // NavigationScheduler_h